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642-145 Implementing Cisco IOS Unified Communications piece 2 (IIUC2)

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642-145 Certification Brain Dumps Source : Implementing Cisco IOS Unified Communications piece 2 (IIUC2)

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Implementing Cisco IOS Unified

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Cisco : Containerized, Virtualized IOS XR utility Continues to stream the commerce forward | killexams.com true questions with brain dumps

Cisco blog > SP360: carrier issuer

As they head to MPLS + SDN + NFV World Congress this week, i'm reminded of conversations I actually acquire with provider suppliers every the time. They inform me how they necessity finished options to meet their enterprise wants, now not just a slice of a technology stack. They inform me they want application that supports an conclusion-to-end structure it's tightly integrated with their OSS/BSS programs, and runs on a complete orbit of hardware. And, they wish it to exist elementary to apportion into result and straightforward to do expend of.

it's exactly what they created with Cisco IOS XR. greater than 150 service providers - including one of the vital largest net gamers every over - acquire deployed their next era containerized/virtualized IOS XR, which is the richest networking stack purchasable in the marketplace, with industry-main innovations in IP transport (segment Routing), IPv6, capabilities (EVPN), Visibility (Streaming Telemetry), safety (MacSec), Programmability (Yang), 5G (clocking/synch) and a Great deal greater.

Our IOS XR has three leading areas of innovation:

  • Unparalleled silicon diversity, working on world kind Cisco ASICs in addition to merchant silicon
  • Cloud-scale automation, with efficiency, model-based mostly interfaces for application-centric operations
  • next-generation network architectures, with regular design patterns that provider suppliers can supervene to leverage unified network fabric from information centers, crucial offices, and across dissimilar domains in metro and core networks
  • An sample of this innovation is IOS XR's back of Linux containers, which they delivered lower back in 2015 with IOS XR 6.0. They architected their IOS XR application stack to hasten in containers and supply aid for customer and third party purposes in containers too, which is viable since the software distribution helping IOS XR is in keeping with Open Embedded Linux. at the same time, they aligned their deployment and automation capabilities with industry necessities (Netconf/gRPC) as well as server workflows (iPXE, ZTP, Ansible, Chef, Puppet and greater). basically, they established IOS XR running as a piece of a Mesos Cluster at MesosCon 2015.

    We too made inevitable IOS XR is attainable on Cisco and service provider silicon throughout a large selection of hardware systems, ranging from 1 RU to multi-chassis methods. It runs in a virtual profile ingredient on regular x86 compute platforms with the complete role set and a excessive-performance statistics plane. With back for actual and digital, IOS XR gives service providers actual selection in their designs, while offering a typical operational suffer end-to-conclusion. they are too laser focused on making their application simple to expend and enforce. they are designing with ruthless ease in mind. that you would exist able to study greater about complete IOS XR capabilities on https://xrdocs.github.io or comply with @xrdocs on twitter.

    i am so tickled with their team for his or her persistent improvements in application that launched the industry to unique heights back in 2015 and nevertheless a ways outpaces anything else on the market nowadays.

    if you are attending MPLS+SDN+NFV World Congress exist inevitable to register for the suffer online for Cisco's workshop to gain lore of greater about IOS XR and meet their consultants.

    Tags:

    How achieve I configure QoS for VoIP? | killexams.com true questions with brain dumps

    observe:Following templates are coming from Cisco documentation as Cisco recommends. youngsters you may too should tweak or modify inevitable settings in order to meet your particular wants.

    LAN excellent of provider Templates

    Overview

    The goal of this doc is to outline the indigenous enviornment community (LAN) best of carrier templates that might exist carried out by means of you Unified Communications engineers. This doc carries primary configuration details that should still exist adopted privilege through any UC deployment. The configurations contained inside this doc are in response to Ciscos first-rate of carrier SRND and Unified Communications manager SRND. For a comprehensive record of configuration particulars, reference the Cisco best of carrier SRND and Cisco Unified Communications manager SRND.

    The configurations during this doc should still exist regarded as the final analysis for any implementation and may exist covered in any implementation as a piece of the common birth technique. LAN traps should exist performed after imposing the QoS to do inevitable that suitable markings are being set and maintained every through the commercial enterprise.

    the following instruments are covered in this FAQ* catalyst 3550 Switches* catalyst 2960/2970/3560/3750 Switches* catalyst 4500 Switches with indigenous IOS as much as Supervisor Engine 7E* catalyst 6500 Switches with indigenous IOS

    Markings

    right here markings are used to designate site visitors, per the Cisco SRND. These are the markings that you'll account for in the basis skilled functions implementation pricing.

    tender consumers

    When IP phones are deployed along with different tender purchasers, such as CIPC, CUVA, or CUPC, then it is captious to exist inevitable the suitable marking of schmaltzy client UC site visitors. here's achieved through the expend of access lists and repair guidelines.

    The voice ingredient of a convene will too exist labeled in one of two ways, counting on the classification of denomination in growth. A voice-only (or commonplace) cell denomination would acquire the media labeled as CoS 5 (IP precedence 5 or PHB EF), while the audio channel of a video conference would acquire the media categorized as CoS 4 (IP priority four or PHB AF41). every of the Cisco IP Video Telephony products adhere to the Cisco corporate QoS Baseline ordinary, which requires that the audio and video channels of a video convene each exist marked as CoS four (IP precedence 4 or PHB AF41). The factors for this recommendation include, however aren't confined to, the following:* To preserve lip-sync between the audio and video channels* To provide divorce classes for audio-handiest calls and video calls

    Cisco Unified personal Communicator and Cisco IP Communicator with Cisco Unified Video advantage are each voice and video able, which presents two challenges when the expend of the ACL and policy map for packet classification and DSCP re-marking. First, Cisco Unified very own Communicator uses the same IP address and UDP port latitude to supply voice and video streams. The ACL that is in response to IP tackle and port quantity is not granular enough to differentiate a voice convene from a video convene in an exertion to supervene applicable DSCP re-marking. 2d, Cisco IP Communicator uses the identical IP address and UDP port latitude to supply its voice packets. similarly, the ACL is not granular enough to differentiate the voice circulation of an audio-most effectual convene from the voice circulate of a video call. hence, using the ACL and coverage-map for packet classification and DSCP re-marking isn't a feasible QoS answer for application-primarily based endpoints.

    because each Cisco Unified very own Communicator and Cisco IP Communicator with Cisco Unified Video lore ticket their signaling and media packets appropriately as they ingress the community, Cisco recommends configuring the coverage map to believe the DSCP marking of incoming site visitors and apply site visitors policing and cost limiting.

    1. catalyst 3550

    The catalyst 3550 change mode is commonly present in the entry layer of the LAN. This mannequin helps a 1P3Q1T queuing mannequin.

    international commands

    These commands are entered on a global stage and are vital in every QoS implementations. they are used to competently map COS and DSCP values in addition to to associate these markings with the applicable interface queue and threshold.

    Trunk Port commands

    Trunk ports, which could encompass connections to other switches, in addition to Dot1Q connections to routers, should still exist configured to acquire faith the DSCP markings from the neighboring equipment.

    Voice Servers, WAN Routers, Gateways

    commonly speaking, contraptions such as voice servers, WAN routers, and voice gateways may too exist relied on, comparable to trunk ports.

    IP telephones with out exquisite clients

    When IP telephones are deployed in an atmosphere without different gentle valued clientele akin to CIPC, CUVA, or CUPC, then the configuration for these access ports can exist to easily confidence the COS of the IP phones. If a shopper will acquire any tender shoppers in the enterprise, it is advised that you supervene the configuration template for IP telephones with tender clients because it is not practicable to grasp precisely which ports may additionally or may no longer acquire exquisite customers active.

    IP telephones with exquisite shoppers

    as a result of both Cisco Unified personal Communicator and Cisco IP Communicator with Cisco Unified Video talents ticket their signaling and media packets appropriately as they ingress the community, Cisco recommends configuring the policy map to confidence the DSCP marking of incoming traffic and apply traffic policing and cost limiting. it will exist referred to that this document comprises IP mobilephone control site visitors for SCCP, cozy SCCP, and SIP implementations.

    The customer can select so as to add additional courses for other purposes that drop into the bulk, Transactional, or Interactive courses akin to Oracle, FTP, and so on by configuring additional ACLs and sophistication-maps. You could exist growing classes for voice and video. every other traffic now not covered in these courses will exist policed at 5Mbps. This helps give protection to the environment from DoS assaults, and may no longer acquire an result on reputable site visitors.

    Policers

    due to the fact we're going to exist marking site visitors from PCs to better classes in the QoS policies, they deserve to ensure that they don't open the infrastructure up to a DoS storm from these PCs through permitting them to transmit greater facts than crucial in each and every category. this is accomplished with policers. by pass of policing sudden packets to DSCP 8 (scavenger), they acquire made extravagant packets with policed markings a reduce precedence than 0.

    access Lists

    entry lists (ACLs) are used to properly determine site visitors with the remonstrate to deserve to exist marked at the factor of ingress. These ACLs will deviate from LAN aspect to LAN segment, as both the voice VLAN and statistics VLAN can too orbit from region to region inside a deployment.

    classification-Maps

    category-Maps are created to position the site visitors identified by means of the access lists into the acceptable QoS classes. The 3550 switch can classify based on VLAN id, so hierarchy courses are utilized for this change. In privilege here instance, VV refers to the Voice VLAN id.

    policy-Maps

    policy-Maps are created in order to Take action on traffic within a category. In these examples, the policers anticipate that the voice only calls will expend G.711 and that video calls will no longer exceed 384k. If a voice codec with an improved bandwidth became used, akin to G.722, the policer for the voice category would necessity to exist altered to 320k, as a substitute of 128k.

    IP cell and workstation Ports

    with the remonstrate to implement the classifications and policies, the policy-map ought to exist applied to the ingress of every IP mobilephone and computing device ports.

    2. catalyst 2960/2970/3560/3750

    These catalyst swap models are generally present in the access layer of the LAN, besides the fact that children in some deployments, the 3750 is used in the distribution stage. These models champion a 1P3Q3T queuing mannequin.

    international commands

    These commands are entered on a world degree and are integral in every QoS implementations. they are used to accurately map COS and DSCP values in addition to to affiliate these markings with the acceptable interface queue and threshold.

    Trunk Port instructions

    Trunk ports, which may comprehend connections to different switches, as well as Dot1Q connections to routers, should exist configured to acquire faith the DSCP markings from the neighboring equipment.

    Voice Servers, WAN Routers, Gateways

    frequently speaking, instruments equivalent to voice servers, WAN routers, and voice gateways can too exist relied on, similar to trunk ports.

    IP telephones devoid of soft valued clientele

    When IP phones are deployed in an ambiance with out other soft valued clientele akin to CIPC, CUVA, or CUPC, then the configuration for these entry ports can too exist to quite simply acquire faith the COS of the IP phones. If a shopper can acquire any gentle shoppers in the business, it is informed that you supervene the configuration template for IP telephones with exquisite valued clientele as it is not feasible to understand precisely which ports may additionally or may too now not acquire gentle purchasers lively.

    IP phones with tender clients

    because both Cisco Unified own Communicator and Cisco IP Communicator with Cisco Unified Video talents ticket their signaling and media packets correctly as they ingress the community, Cisco recommends configuring the policy map to confidence the DSCP marking of incoming traffic and supervene site visitors policing and cost limiting. it will exist cited that this doc contains IP cell manage site visitors for SCCP, relaxed SCCP, and SIP implementations.

    The client can pick to add additional courses for other purposes that drop into the bulk, Transactional, or Interactive courses akin to Oracle, FTP, and so forth with the aid of configuring additional ACLs and sophistication-maps. You should exist creating classes for voice and video. every other traffic no longer blanketed in these classes should exist policed at 5Mbps. This helps give protection to the ambiance from DoS attacks, and will now not acquire an result on respectable site visitors.

    Policers

    given that we're going to exist marking traffic from PCs to better courses in the QoS guidelines, they deserve to do sure that they achieve not open the infrastructure up to a DoS storm from these PCs via enabling them to transmit more records than essential in each type. here's carried out with policers. by means of policing surprising packets to DSCP 8 (scavenger), they now acquire made extreme packets with policed markings a lower priority than 0.

    entry Lists

    access lists (ACLs) are used to competently determine traffic in an exertion to should exist marked on the aspect of ingress. These ACLs will deviate from LAN aspect to LAN segment, as both the voice VLAN and information VLAN might too differ from region to region within a deployment.

    classification-Maps

    type-Maps are created to location the site visitors identified by means of the access lists into the applicable QoS courses. a category-map is created for each traffic kind for which an ACL changed into created.

    policy-Maps

    policy-Maps are created with a view to Take action on site visitors inside a category. In these examples, the policers anticipate that the voice only calls will expend G.711 and that video calls will no longer exceed 384k. If a voice codec with a better bandwidth become used, akin to G.722, the policer for the voice kind would deserve to exist altered to 320k, in its position of 128k.

    IP mobilephone and notebook Ports

    with a purpose to enforce the classifications and policies, the policy-map necessity to exist applied to the ingress of every IP mobile and computing device ports.

    3. catalyst 4500 Sup II to Sup IV

    These catalyst change fashions will too exist present in the access, distribution, or core layers of the LAN. These fashions aid a 1P3Q1T queuing mannequin.

    international instructions

    These commands are entered on a world degree and are captious in every QoS implementations. they're used to appropriately map COS and DSCP values in addition to to affiliate these markings with the confiscate interface queue and threshold.

    Trunk Port instructions

    Trunk ports, which may comprehend connections to other switches, in addition to Dot1Q connections to routers, should exist configured to acquire assurance the DSCP markings from the neighboring equipment.

    speedy Ethernet

    Gigabit Ethernet

    Voice Servers, WAN Routers, Gateways

    generally speaking, devices corresponding to voice servers, WAN routers, and voice gateways may too exist relied on, akin to trunk ports.

    fast Ethernet

    Gigabit Ethernet

    IP phones with out soft valued clientele

    When IP phones are deployed in an ambiance devoid of other smooth customers akin to CIPC, CUVA, or CUPC, then the configuration for these access ports will too exist to quite simply believe the COS of the IP phones. in case you can acquire any gentle shoppers in the commercial enterprise, it's informed that you observe the configuration template for IP telephones with soft shoppers because it is not practicable to know precisely which ports may additionally or may additionally not acquire exquisite purchasers active.

    quickly Ethernet

    Gigabit Ethernet

    IP telephones with gentle clients

    because both Cisco Unified very own Communicator and Cisco IP Communicator with Cisco Unified Video skills ticket their signaling and media packets as it should exist as they ingress the community, Cisco recommends configuring the policy map to believe the DSCP marking of incoming site visitors and supervene traffic policing and cost limiting. it would exist stated that this document includes IP cell manage site visitors for SCCP, comfy SCCP, and SIP implementations.

    that you could elect to add additional classes for different functions that drop into the majority, Transactional, or Interactive courses comparable to Oracle, FTP, and many others by configuring additional ACLs and class-maps. You can exist creating classes for voice and video. every different site visitors now not included in these classes can exist policed at 5Mbps. This helps protect the environment from DoS attacks, and will no longer acquire an result on genuine traffic.

    Policers

    considering we're going to exist marking traffic from PCs to bigger courses in the QoS guidelines, they deserve to ensure that they achieve not open the infrastructure up to a DoS assault from these PCs by means of enabling them to transmit extra statistics than quintessential in each category. here's completed with policers. by means of policing surprising packets to DSCP 8 (scavenger), they now acquire made extreme packets with policed markings a reduce precedence than 0.

    access Lists

    access lists (ACLs) are used to adequately identify traffic that allows you to deserve to exist marked on the point of ingress. These ACLs will deviate from LAN aspect to LAN segment, as both the voice VLAN and statistics VLAN can too fluctuate from location to region within a deployment.

    type-Maps

    category-Maps are created to vicinity the site visitors recognized by pass of the access lists into the acceptable QoS courses. a category-map is created for each site visitors class for which an ACL turned into created.

    policy-Maps

    coverage-Maps are created with a purpose to Take motion on traffic within a category. In these examples, the policers assume that the voice only calls will expend G.711 and that video calls will not exceed 384k. If a voice codec with a higher bandwidth became used, comparable to G.722, the policer for the voice category would should exist altered to 320k, as a substitute of 128k.

    IP cellphone and workstation Ports

    with a purpose to implement the classifications and guidelines, the policy-map must exist applied to the ingress of every IP cellphone and computing device ports.

    FastEthernet

    Gigabit Ethernet

    four. catalyst 4500 Sup VI-E

    These catalyst change fashions may too exist found in the entry, distribution, or core layers of the LAN. These fashions assist a 1P3Q1T queuing model.

    international commands

    These commands are entered on a world degree and are captious in every QoS implementations. they are used to accurately map COS and DSCP values as well as to associate these markings with the confiscate interface queue and threshold.

    table Map

    entry Lists

    access lists (ACLs) are used to accurately establish site visitors so that you can necessity to exist marked at the aspect of ingress. These ACLs will deviate from LAN section to LAN section, as both the voice VLAN and data VLAN may too differ from region to location within a deployment.

    classification Maps

    policy Maps

    access Ports

    Trunk Ports

    5. catalyst 4500 Sup 7-E

    The per-port/per-VLAN policing mannequin is well-nigh the identical for the catalyst 4500-E Supervisor 6-E, apart from that it does not require a global policed-DSCP map and as a result the policing instructions are a bit diverse; additionally no trust-DSCP remark is required on the interface(s)

    information Vlan Interfaces

    Voice Vlan Interfaces

    6. catalyst 4500: Supervisor V-10GE

    6.1. Per-Port UBRL (user-primarily based cost Limiting)

    UBRL adopts microflow policing capability to dynamically learn traffic flows and cost restrict each and every gripping flood to someone fee and, as such, is a incredibly useful and efficient policing tool, chiefly on the distribution ayer in a medianet campus network.

    UBRL is attainable on Supervisor Engine V-10GE with NetFlow help. UBRL may too exist utilized to ingress site visitors on routed interfaces and is typically utilized in environments the position a per-person, granular fee limiting mechanism is required, similar to on the distribution layer, to supply a 2nd line of policing protection within the campus. enjoy other policers, UBRL will too exist used to drop or statement exceeding flows.

    A stagger is defined by pass of 5-tuples (IP supply address, IP destination address, IP protocol field, Layer 4 protocol source, and vacation spot ports), which can exist the same for each and every packet within the circulation. move-primarily based policers observe a single coverage to discrete flows while not having to specify the practically-infinite tuple-combos. UBRL can too exist applied with supply or vacation spot stream masks; these masks observe an combination microflow policing policy to distinctive flows sharing the same source or IP vacation spot addresses.

    within the per-port UBRL model, a category map suits on a microflow foundation and aggregates these with the aid of source addresses. Then a policer applies an blend restrict to every microflows sharing a standard source IP tackle, remarking traffic in extra of the policing cost.

    Remarking is carried out with the aid of configuring a policed-DSCP map with the international configuration command qos map dscp policed, which specifies which DSCP values are discipline to remarking (if out-of-profile) and what these values may still exist remarked to (which within the case of scavenger classification QoS guidelines, the remarking cost is CS1/DSCP 8).

    UBRL is supported on Layer 3 interfaces and can exist applied on either a per-port or per-port/per-VLAN-groundwork

    Per-Port UBRL Configuration illustration on a catalyst 4500 Supervisor V-10GE

    6.2. Per-Port/Per-VLAN UBRL (person-based mostly rate Limiting)

    In distinction with the feeble instance, if the campus distribution screen is the usage of a Layer 2/Layer three design, and as such has Layer 2 trunked interfaces (TenGigabitEthernet 1/1 and 1/2) connecting it to the entry layer switches, then UBRL can exist applied on a per-port/per-VLAN basis. in this case, divorce UBRL guidelines will too exist utilized to each VLAN traversing the trunked interfaces by the expend of per-port/per-VLAN UBRL policies as each VLAN is routed throughout the swap.

    To spotlight policy flexibility, further stages of classification are protected during this second UBRL instance (which by the pass can too exist applied to the per-port UBRL mannequin). as an alternative of making expend of a blanket UBRL policy to every endpoints, divorce UBRL polices will too exist applied to different types of endpoints or utility-and-endpoint-combos. as an example, VoIP from Cisco IP phones within the VVLAN can exist cost constrained to 128 Kbps, whereas signaling site visitors from these endpoints can exist limited to 32 kbps. in a similar fashion, TelePresence endpoints in the VVLAN (which ticket their media flows to CS4) can exist confined to 25 Mbps. every different endpoint-generated traffic within the VVLAN can exist constrained to 32 kbps per endpoint.

    similar policy granularity can too exist applied to the DVLAN policer, if preferred. despite the fact during this example, a simplified DVLAN policer is applied to every flows to do sure that any DVLAN endpoint transmitting at greater than 5% capability (an illustration value) of the access side 10/100/a thousand change ports are subject to statistics aircraft policing/scavenger kind QoS.

    Static DSCP-believe is configured on the physical ports and the per-port/per-VLAN UBRL policers are utilized to their respective VLANs inside the trunked interface.

    Per-Port/Per-VLAN UBRL Configuration illustration on a catalyst 4500 Supervisor V-10GE

    7. catalyst 6500 indigenous IOS

    These catalyst swap fashions can exist present in the distribution or core layers of the LAN. The queuing method is directly subject upon the road cards. consult the Cisco QoS SRND or line card datasheet on Cisco web site documentation to ensure that the proper queuing system is configured on the swap.

    global commands

    These instructions are entered on a worldwide stage and are captious in every QoS implementations. they are used to accurately map COS and DSCP values as well as to affiliate these markings with the acceptable interface queue and threshold.

    Trunk Port instructions

    Trunk ports, which could comprehend connections to other switches, in addition to Dot1Q connections to routers, should exist configured to acquire assurance the DSCP markings from the neighboring device. moreover, with indigenous IOS, the queue configurations are additionally made on the specific interfaces and are based upon the transmit queue back of the line cards.

    2Q2T Tx Line playing cards

    1P2Q1T Tx Line cards

    1P2Q2T Tx Line cards

    1P3Q1T Tx Line playing cards

    1P3Q4T Tx Line cards

    1P3Q8T Tx Line playing cards

    1P7Q4T Tx Line cards

    1P7Q8T Tx Line playing cards

    Voice Servers, WAN Routers, Gateways

    often talking, contraptions corresponding to voice servers, WAN routers, and voice gateways can too exist relied on, akin to trunk ports.

    2Q2T Tx Line cards

    1P2Q1T Tx Line cards

    1P2Q2T Tx Line cards

    1P3Q1T Tx Line playing cards

    1P3Q8T Tx Line cards

    1P7Q8T Tx Line playing cards

    access Lists

    access lists (ACLs) are used to adequately establish site visitors so as to should exist marked on the factor of ingress. These ACLs will deviate from LAN segment to LAN section, as each the voice VLAN and facts VLAN may differ from region to region inside a deployment.

    category Maps

    policy Maps

    Gigabit Ethernet IP telephone and laptop Ports

    in order to implement the classifications and guidelines, the policy-map necessity to exist utilized to the ingress of every IP addresses.

    2Q2T Tx Line playing cards

    1P2Q1T Tx Line cards

    1P2Q2T Tx Line playing cards

    1P3Q1T Tx Line cards

    1P3Q4T Tx Line cards

    1P3Q8T Tx Line cards

    1P7Q4T Tx Line playing cards

    1P7Q8T Tx Line playing cards

    Per-Port Microflow Policing mannequin

    Microflow policing dynamically learns site visitors flows and cost limits each and every exciting movement to a person cost and as such, is a particularly positive and effectual policing device, exceptionally at the distribution layer in a medianet campus network.

    Microflow policing can too exist applied to ingress site visitors on routed interfaces and is typically used in environments the position a per-user, granular fee limiting mechanism is required akin to those of on the distribution layer which to give a 2nd-line of policing defense in the campus. enjoy different policers, microflow policing may too exist used to drop or statement exceeding flows.

    Microflow policers are enabled with the police flood coverage-map classification-action command. A stagger is described via 5-tuples (IP supply handle, IP vacation spot address, IP protocol container, Layer 4 protocol source, and destination ports), which might exist the same for each packet within the move. Microflow policers apply a single policy to discrete site visitors flows, with no necessity to specify the practically-limitless tuple combos. Microflow policing can too exist applied with supply or vacation spot stream masks (with the mask src-only and mask dest-handiest optional key words, respectively). These masks then drill an aggregate microflow policing coverage to divorce flows sharing the equal source or IP vacation spot addresses.

    within the per-port microflow policing model, a stream-based mostly policer is utilized with a masks src-best selection and applies an blend restrict to every microflows sharing a standard supply IP handle, remarking site visitors in excess of the policing rate.

    Remarking is carried out with the aid of configuring policed-DSCP maps with the world configuration commands mls qos map policed-dscp usual-burst (which specifies the exceeding remarking motion) and mls qos map policed-dscp max-burst (which specifies the violating remarking action, in the case of a dual fee policer). These commands specify which DSCP values are discipline to remarking if out-of-profile and what cost these may still exist remarked as (which within the case of information airplane policing/scavenger category QoS policies, this cost is CS1/DSCP 8).

    even if single fee policers are used, it is informed to configure the mls qos map dscp policed max-burst markdown map, because the maximum_burst_bytes parameter for the policer is determined to equal to the normal_burst_bytes parameter, unless explicitly distinctive in any other case. In other words, the PIR is determined to equal the CIR, until explicitly divorce otherwise, and consequently the exceed-motion policed-dscp-transmit key words motives PFC QoS to ticket traffic down DSCP values as defined through the policed-dscp max-burst markdown map (and not the policed-dscp regular-burst markdown map).

    Per-Port Microflow Policing Configuration sample on a catalyst 6500

    Per-VLAN Microflow Policing mannequin

    In contrast with the previous illustration, if the campus distribution screen is the usage of a Layer 2/Layer three design, and as such has Layer 2 trunked interfaces (TenGigabitEthernet three/1 and three/2) connecting it to the access layer switches, then microflow policing may too exist applied on a per-VLAN groundwork. during this case, divorce microflow policing guidelines can exist utilized to every VLAN.

    To highlight policy flexibility, additional ranges of classification are included in this 2d microflow policing instance. incidentally these additions can too exist utilized to the per-port microflow policing model. as a substitute of applying a blanket microflow policer to every endpoints, divorce microflow policers may too exist applied to several types of endpoints or application-and-endpoint-combinations. as an instance, VoIP from Cisco IP phones in the VVLAN can exist policed to 128 Kbps, while signaling site visitors from these endpoints may too exist policed to 32 kbps. similarly, TelePresence endpoints within the VVLAN (which ticket their media flows to CS4) may too exist policed to 25 Mbps. every different endpoint-generated traffic in the VVLAN can exist policed to 32 kbps per endpoint.

    equivalent policy granularity can too exist applied to the DVLAN policer, if favored. besides the fact that children during this illustration, a simplified DVLAN policer is utilized to every flows to exist sure that any DVLAN endpoint transmitting at greater than 5% capacity (an illustration value) of the access side 10/one hundred/1000 swap ports are subject to statistics airplane policing/scavenger classification QoS.

    Per-VLAN Microflow Policing Configuration sample on a catalyst 6500

    Voice Gateways

    with a view to exist sure genuine conclusion to conclusion QoS every through the ambiance, the voice gateways should exist configured to accurately ticket control and bearer traffic sourced from their processes, including MGCP, H.323, and SIP.

    MGCP Gateways

    by pass of default, MGCP gateways ticket bearer traffic with DSCP EF and ply traffic with AF31. here's no longer according to current requisites. here modifications should exist made to every deployed MGCP gateways.

    H.323/SIP Gateways

    with the aid of default, H.323 and SIP dial-peers ticket bearer traffic with DSCP EF and control traffic AF31. this is not per existing requirements. The comply with changes should still exist made to VOIP dial-friends on every deployed H.323 and SIP gateways.

    WAN nice of service

    in case you are attempting to assure traffic service over long distance involving WAN circuits reminiscent of point-to-element, MPLS, and Metro Ethernet; then there acquire to exist QoS implementation to your WAN gateway of every ends of your region. additionally, your WAN QoS implementation necessity to match QoS specification your provider provider uses to preserve end-to-end QoS provider.

    As illustration, to illustrate you acquire got aspect-to-factor 1 Gbps Metro Ethernet circuit out of your carrier provider to interconnect two of your areas. The carrier provider has specification that 5 Mbps is inevitable for classification of carrier (CoS) priority 5 (EF) traffic, 5 Mbps is assured for CoS priority 2; while the final bandwidth is freely used for CoS default site visitors.

    Let's expect you acquire IP cellphone that makes expend of DSCP EF 5 or CoS 5 of UDP port orbit 16384 - 32767 for voice site visitors and uses DSCP AF 41 (CS three) or CoS three of SIP (UDP and TCP port latitude 5060 - 5061) and SCCP (TCP port latitude 2000 - 2002) for signalling traffic. inside LAN, you usually let these specification as default whereas setting every LAN change entry and trunk ports to well known these traffic. once the site visitors is headed to the point-to-element circuit, then by hook or by crook you necessity to regulate the site visitors specification if you intend to match your traffic specification with the provider issuer specification.

    assume you want to do the most of the provider issuer CoS 5 for the voice site visitors, CoS 2 for the signalling, and ultimate bandwidth is do the most of for different traffic reminiscent of e-mail, net, and file sharing. hence because the traffic is about to depart one location over the element-to-element circuit to attain your other area, you necessity to map your latest CoS 5 site visitors to the service company CoS 5, map your latest CoS three traffic to the carrier provider CoS 2, and map remaining site visitors to the service issuer CoS default traffic.

    When the site visitors is already going over the aspect-to-point circuit from one vicinity and arrive on the different location, you necessity set your site visitors again to its customary specification with the remonstrate to match your site visitors specification. therefore because the traffic arrives on the other vicinity, you deserve to map the carrier provider CoS 5 traffic to the common CoS 5 site visitors, map the service provider CoS 2 to the original CoS 3, and map closing site visitors as default site visitors.

    As you may exist alert that these WAN QoS mapping happens on your WAN gateway while LAN QoS mapping occurs on your LAN. Following is one answer how the WAN QoS mapping and configuration contemplate like. the credit here is that your WAN gateway is a router using GigabitEthernet 0/0/0 port to connect to the WAN circuit.

    for more info concerning these QoS instructions, Take a contemplate at here Cisco hyperlink.Configuring the Modular character of provider

    example community Design and Implementation

    The information posted here is a summarized edition of the Cisco AVVID QoS Design ebook. The person who posted here's not liable for any network complications or any damage caused with the aid of configuring their router to privilege here specification. If doubtful, open up a Cisco TAC case which a Cisco Engineer will bag in touch to back you implement or troubleshoot your design or concern respectively. You might too also quiz the Cisco discussion board group for any tips but group settle for no legal responsibility for any ideas made that are then implemented.

    The sample below is using a Cisco 79xx IP phone, 2924 change (12.0(5)XU EN, and a 2600 Router (12.2(11)T IP/FW/IDS PLUS IPSEC fifty six). exist sure the types of IOS that you're working lead the commands used earlier than imposing in a construction environment. It additionally assumes that you are the expend of divorce VLANs for records and voice (VLAN 100 for statistics, and 101 for voice).

    This instance assumes the following network setup:

    Configuring the 2924 switch:

    The above port configuration allows for both voice and records site visitors from divorce vlans. Cisco IP telephones automatically assist 802.1q trunking and 802.1p COS tagging, with a view to tag every outgoing voice site visitors with an L2 COS of 5, and a L3 IP precedence of 5. The 'switchport precedence lengthen cos 0' ensures that every statistics traffic has it exist L2 COS tag re-categorised as 0. this may do sure a pc connected to the mobilephone isn't additionally classifying its traffic.

    moreover, in case your swap helps inline vigour, add the following to the above configuration: 'vigor inline auto'

    word:The 'pace auto' command is extraordinarily essential. Cisco IP telephones default to auto-negotiation for pace and duplex. If the swap port is set to 100baseT full-duplex, the IP cellphone instantly sets its port to 100baseT half-duplex, causing a duplex mismatch.

    Configuring the 2600 router

    the primary aspect they necessity to achieve is outline access-lists to in shape their voice traffic. they can create 2 prolonged ACLs, one for the voice RTP site visitors, and one for the voice signaling traffic.

    For Skinny, H.323, MGCP

    For SIP/IAX/IAX2:

    word:You can too additionally expend a 'allow ip 1.1.1.0 0.0.0.255 any' command on the signaling entry-list to providential every hosts in a selected subnet, assuming every IP telephones are on the same subnet and their personal vlan.

    next, they create category maps for each kind of site visitors.

    Then create a coverage map for the classes:

    The policy-map on the router areas every voice traffic into the priority Queue, which is given 240kbps of bandwidth. every signaling traffic is in a class-primarily based queue with 16kbps of bandwidth. And every different traffic is queued using Weighted honest Queuing.

    To assess how much bandwidth to provide to voice site visitors:variety of simultaneous calls X 80 (for g711u)number of simultaneous calls X eleven (for g729)

    eventually, apply the coverage to the interface:

    word:if you're using sub-interfaces, making expend of the coverage to the fa0/0 interface will too apply it to every sub-interfaces (i.e. fa0/0.1, fa0/0.2 etc.) To observe a QoS provider-coverage to a specific sub-interface check with this Cisco hyperlink.applying QoS aspects to Ethernet Sub-interfaces

    As Qos is generally configured on outgoing site visitors, it is going to aid if you acquire control over either side of the hyperlink. that you would exist able to additionally observe fee limiting to inbound traffic if you so choose, however it will simplest toil with TCP traffic.

    This price-limit command line will allow no greater than 1408kbps via; so that any excess could exist dropped. once again, this only works for TCP site visitors, due to the fact dropped packets will occasions the sender to lower back off and check out again slower.

    -b

    Discussions

    »[Config] Configuring QOS on 2960 for VOIP»[HELP] Enabling QoS on 4500 swap»[HELP] Route Maps query»[HELP] VOIP and records site visitors with qos and vlan


    Cisco partners with leading MDM/EMM companies to secure Your iOS gadgets | killexams.com true questions with brain dumps

    bear in mind when i mentioned that Cisco protection Connector has plans to expand their MDM/EMM integration capabilities? well, I’m tickled to file that we're doing simply that.

    remaining week, they announced that the Cisco protection Connector is now publicly available. This week, they are extremely excited to partake that Cisco is teaming up with VMware and MobileIron to give abysmal visibility and manage for your commercial enterprise-owned iOS contraptions.

    We remember that cellular usage for companies are on the rise. therefore, they should not only equip users with the potential to protect their cellular gadgets, but accomplish that in a flexible and productive manner. hence, in addition to Cisco Meraki methods supervisor, Cisco security Connector can now exist deployed in the course of the VMware Workspace ONE, powered through VMware AirWatch know-how, platform and MobileIron on-premises platform.

    through these unique partnerships, organizations can control their cell instruments more effectively with the aid of accelerating deployment of iOS contraptions and gaining the much-vital visibility and ply over their guidelines. this may give organizations the complete kit: visibility, handle, and coverage.

    cell machine administration (MDM) and enterprise Mobility administration (EMM) Partnerships:

    VMware Workspace ONE Unified Endpoint administration (UEM), powered by VMware AirWatch technology, offers agencies a simplified method to view and control every contraptions within one single platform. With brief gadget enrollment, clients might exist able to combine into pre-present commercial enterprise infrastructure. Workspace ONE too allows for businesses to outline and configure their cell device management guidelines, permitting computerized compliance and more desirable policy handle. And in an event that a mobile machine gets lost or stolen, Workspace you will allow remote instructions and controls to pellucid passcodes and lock or absolutely wipe the machine. To excellent it off, Workspace ONE’s dashboards provide administrators a view of real-time deployment from the admin console, featuring agencies a diverse option to control their iOS devices.

    MobileIron on-prem cell device management (MDM) platform gives groups with controls crucial to manage and computer screen any BYOD or corporate-owned gadget that has access to business-critical facts. With automatic deployment, corporations can retailer time and energy in paraphernalia setup. MobileIron additionally has the capability to simplify enterprise procedures by using integrating with different IT methods. It permits businesses to live compliant with company utilization necessities by pass of deploying granular guidelines and compliance configurations that integrate ultimate-of-breed security practices to an organization’s cell fleet.

    With the means to toil hand-in-hand with leading MDM/EMM providers akin to VMware and MobileIron, Cisco protection Connector can deliver seamless integrations, improved manage and deeper visibility. They respect the consequence of working together and with the aid of teaming up with VMware and MobileIron, cellular protection has by no means been enhanced.

    For greater counsel on Cisco safety Connector, gratify click privilege here.

    For more counsel on VMware Workspace ONE, gratify click here.

    For more guidance on MobileIron, gratify click here.

    examine their feeble Cisco security Connector weblog here.

    Tags:

    642-145 Implementing Cisco IOS Unified Communications piece 2 (IIUC2)

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    Hybrid emissions: facts and numbers | killexams.com true questions with brain dumps

    Having laid out my views partly I, let me swirl to the precise facts involving hybrids — each from an environmental and monetary standpoint.

    How achieve carbon emissions per mile driven compare for quite a lot of automobiles? The Volt is expected to exist “lower than $30,000” with a 1.0L engine. evaluate this to the Corolla, with a 1.8Lengine (top hp of 126; 31 mpg) and a cost of $14,four hundred. It’s cost noting that this is within the positive, no-fuel-use situation of affairs for the Volt, computed below along with carbon emissions for the Volt operating on cellulosic ethanol and gasoline, and emissions for comparable-sized ICE vehicles. questions on the Volt’s specific usage patterns remain: what number of people will recharge customary? what percentage of total miles could exist on the grid, and what percentage on fuel?

    2010 2017 2017 (with 50% increase in ICE mpg efficiency) automobileCO2 Emissions — grams/ mile month-to-month impregnate (automobile+gas) CO2 Emissions — grams/ mile month-to-month cost (motor vehicle+fuel) CO2 Emissions — grams/ mile month-to-month cost (car+gas) Toyota Prius 238 $490 238 $490 159 $468 GM Volt On electricityone hundred forty four $623 a hundred and forty four $623 a hundred and forty four $623 GM Volt Cellul. E85 – – fifty five $641 37 $628 GM Volt gas only 219 $661 219 $661 146 $641 GM Volt gas+Elec (1:1) 182 $642 181 $642 one hundred forty five $632 Toyota Corolla (ICE Engine) 353 $385 353 $385 235 $353 Toyota Corolla (Hypothetical FFV edition) 282 (Corn E85) $387 88 (Cellul. E85) $355 58 (Cellul. E85) $334

    observe: A hypothetical “plug-in Prius” with a Volt-sized 16kWh battery would likely can impregnate greater than the Volt. therefore the above assessment of a plug-in Volt and a hybrid Prius is unfair to the GM Volt. The monthly cost includes the month-to-month amortized can impregnate of buy (7.5 % personal loan — completely financed over 5 years) + impregnate of fuel (1,000 miles/month). Battery can impregnate of $7,600 (at $400kWh + $1,200 handle) in 2010 and $four,000 ($200kWh + $800 handle) in 2017 is included in the Volt buy cost of $30,000 — these battery can impregnate estimates are 40-60 % lower than latest estimates of $seven-hundred-1000kWh and automaker margin isn't included. gas can impregnate assumptions of $0.11c/kWh electrical energy (U.S. unprejudiced per EIA) and 5 miles per kwh for the Volt, $3.00 gasoline impregnate to consumers (roughly just the fabric impregnate of “oil” in gasoline at $100 oil cost, before taxes — actual expenses are prostrate to exist bigger for consumers if oil prices dwell high), $2.25 per gallon corn E85 to patrons earlier than taxes ($1.seventy five production impregnate per gallon), and $1.50 per gallon cellulosic E85 (in response to $1.00 creation cost earlier than taxes) in 2017. A 25 percent mileage deal is used with ethanol (equal to latest ordinary EPA de-score for E85). doesn't encompass anticipated improvement on E85 mileage relative to gasoline or the carbon emissions from battery manufacturing, that are likely to do Prius and battery numbers about 10-20 p.c worse on carbon emissions. not one of the costs account for subsides or taxes, which they assume will exist zero or equal for every applied sciences by pass of 2017. No automobile credit changes are assumed.

    The numbers are always estimates, and apples-to-apples comparisons are elaborate. above all, they achieve not comprehend the carbon emissions for battery manufacture amortized over the assumed one hundred,000-mile life of the battery. additionally, hypothesis persists that the GM Volt battery could exist leased to buyers — and that the $30,000 cost tag is not inclusive of any leasing costs. i suspect these errors are cloth, and do the electric powered numbers seem to exist materially enhanced than they are. (Can someone deliver a supply for an inexpensive estimate?)

    The assumptions behind this table are as follows: the Volt receives 5 miles/kwh. Given U.S. electrical grid emissions of about 1.35lbs per kWh (EIA estimates), that gives us a per-mile emissions stage of roughly 0.32 lbs/mile (after adjusting for an electrical roundtrip storage effectivity at eighty five % for the battery, and assuming it's running on battery by myself) or about a hundred and forty four grams of carbon dioxide per mile. On fuel solitary (assuming no battery charging from electrical energy) the same car’s emissions could exist 219 grams per mile.

    the expend of only cellulosic ethanol, the equal automobile would acquire 75 % lessen emissions, or 55 grams per mile (assuming vans, and many others., offering biomass, and transportation still working on fossil gasoline). they now acquire modeled fuel emissions for tank-to-wheels to exist eighty % of that from neatly-to-wheels emissions (roughly what the EIA uses). Any aid in refining these numbers would exist preferred.

    The percent of coal in the U.S. grid is expected to head up, no longer down. contrary to most forecasts, I believe they will achieve better than that and restrict coal-powered electricity to the point where its percent will decline (we acquire investments to do renewable grid electricity more affordable than subsequent-gen IGCC coal flora), but the decline can exist gradual given commonplace power plant lifespans. despite what they may wish for — riding on solar or wind vigor — the reality is probably going to exist different. For those of you who are looking to compute solar PV panels on your roof, its useful cost is between $0.25 (not pricey panels in sunny Arizona?) to $0.50 (Foggy Seattle?) per kWh, based upon your can impregnate and the vicinity of the panels. In a number of locations wind should exist would becould very well exist in your cost range, however that could exist for a small minority of automobile owners.

    What in regards to the impregnate of riding a mile? once they bag to the incremental clear-grid charges, renewable electrical energy is expected to can impregnate about $0.10-0.15c/kWh (previous to taxes; $0.06-0.10 per kWh delivered to utilities) dropped at the client at any massive scale, or about $0.02-0.03 per mile from a vehicle of the Volt type. A production impregnate of $1.00 per gallon of biofuel (i believe lessen costs are seemingly in 10-15 years) will probably result in a $1.50 purchaser cost aspect (previous to any taxes, which differ by using state), so one would should bag 50mpg (very attainable; virtually the GM Volt gasoline-handiest mileage) in a flex-fuel automobile to bag an identical variable impregnate per mile pushed.

    yes, I achieve forecast — in the decade — a salubrious flex-gasoline engine to bag the equal mileage on biofuels because it does on gas (for instance, an ethanol-equipped engine running at a compression ratio of sixteen — ethanol’s higher octane rating capability that these days’s engines don't seem to exist optimized for it). a salubrious pass to boost ethanol mileage with the aid of a different 25 percent, which is not figured into their month-to-month cost discount calculations. I should still exist pellucid that every numbers are necessarily approximations, likely to within 25 %.


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