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Cisco Systems VC-289 manual

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Table of contents for the manual

  • Page 1

    VC-289 Cisco IOS Voice, Video, and Fax Configuration Guide Configuring H.323 Gatekeepers and Proxies This chapter descri bes how to configure the Cisco Multimed ia Conference Ma nager . The Multimedi a Conferen ce Manager pro vides gatek eeper and proxy capabilities required for service pro visioning and management of H.323-c ompliant networks. Thi[...]

  • Page 2

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Fe atures VC-290 Cisco IOS Voice, Video, and Fax Configuration Guide Multimedia Conference Manager provides a rich list of netw orking capabilities, includ ing the follo wing: • A means to implemen t quality of service (QoS), wh ich is required for the successful de ployment of H.323 appl[...]

  • Page 3

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Features VC-291 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e • Interzone Routing Using E.1 64 Addresses, page 294 • HSRP Support, page 296 Zone and Subnet Configuration A zone is def ined as the set of H.323 no des controll ed by a single gatekeeper . Gatekeepers that coexis[...]

  • Page 4

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Fe atures VC-292 Cisco IOS Voice, Video, and Fax Configuration Guide For e xample, the local gatekeeper ca n be configured with the kno w ledg e that zone prefix “212...... ” (that is, any address be ginning “212” and followed b y 7 arbitrary digits) is ha ndled by the g atekeeper g[...]

  • Page 5

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Features VC-293 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Terminal Name Registration Gatekeepers recognize one of tw o types of terminal aliases, or termi nal names: • H.323 IDs, which are arbitrary , case-sensitive te xt strings • E.164 addresses, which are telephone num[...]

  • Page 6

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Fe atures VC-294 Cisco IOS Voice, Video, and Fax Configuration Guide Interzone Routing Using E.164 Addresses Interzone routing may be conf igured using E.164 addresses. T wo types of address destinat ions are used in H.323 calls. The destinatio n can be specified using eit her an H.323-ID a[...]

  • Page 7

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Features VC-295 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e T o enable the gatekeeper to sel ect the appropriate hop-of f gate way , use the gw-type-pref ix command to configure technology or gat ew ay-type prefixes. Select technology prefixes to denote different types or class[...]

  • Page 8

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Fe atures VC-296 Cisco IOS Voice, Video, and Fax Configuration Guide Note For ease of maintenance, the same pref ix type shoul d be used t o denote the same gate way type in all zones under your administratio n. No more than 50 di fferent technology prefixes should be registered per zone. A[...]

  • Page 9

    Configuring H.323 Gate keepers an d Proxies H.323 Proxy Features VC-297 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Note Gatekeeper failover will not be c omplete ly tran sparent to endpoints and gatekeeper s. When the standby gatekeeper tak es over , it does not have th e state of the failed gatekeeper . If an endpoint that had re giste[...]

  • Page 10

    Configuring H.323 Gatekeepers and Proxies H.323 Proxy Features VC-298 Cisco IOS Voice, Video, and Fax Configuration Guide Proxy Inside the Firewall H.323 is a comple x, dynamic protocol that consists of se veral interrelated subprotocols. D uring H.323 call setup, the ports and addresses released with this protocol require a deta il ed inspection a[...]

  • Page 11

    Configuring H.323 Gate keepers an d Proxies H.323 Proxy Features VC-299 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Proxy in Co-Edge Mode If H.323 terminal s exist in an area with local interior addresses that must be translated to va lid exterior addresses, the fire wall must be capable of decoding and translating all addre sses passed [...]

  • Page 12

    Configuring H.323 Gatekeepers and Proxies H.323 Proxy Features VC-300 Cisco IOS Voice, Video, and Fax Configuration Guide Proxy Outside the Firewall T o place the proxy and gatekeeper o utside the fire wall, two condit ions must exist. First, the f irew all must support H.323 dynamic access control. Second, Network Address Translat ion (N A T) must[...]

  • Page 13

    Configuring H.323 Gate keepers an d Proxies H.323 Proxy Features VC-301 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Quality of Service Quality of service (QoS) enables comple x networks to control and predictably service a v ariety of applications. QoS ex pedites the handling of missi on-critical applications wh ile sharing network resou[...]

  • Page 14

    Configuring H.323 Gatekeepers and Proxies H.323 Prerequisite Tasks an d Restrictions VC-302 Cisco IOS Voice, Video, and Fax Configuration Guide Application-specific routing is simple. When the proxy recei ves outb ound traff ic, it dire cts traff ic to an interface that is connect ed directly to the QoS netw ork. The proxy does not send the traf fi[...]

  • Page 15

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-303 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e • The number of remote gatek eepers multiplied by the d elay per LRQ cannot exceed th e Routing Information Prot ocol (RIP) timeout. Theref ore, we recommend that you limit your list of remot e gatekee[...]

  • Page 16

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-304 Cisco IOS Voice, Video, and Fax Configuration Guide Starting a Gatekeeper T o enter gatekeeper conf iguration mode and to start the gatek eeper , use the following commands begin ning in global conf iguration mode: Command Purpose Step 1 Router(config)# gatek[...]

  • Page 17

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-305 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Step 3 Router(config-gk)# zone prefix gatekeeper-name e164-prefix [ blast | seq ] [ gw-priority priority gw-alias [ gw-alias , ...]] Adds a prefix to the gatekeeper zone list. The keywords and arguments [...]

  • Page 18

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-306 Cisco IOS Voice, Video, and Fax Configuration Guide The local-gatek eeper-name ar gument should be a Domain Name System (DNS) host name if DNS is to be used to locate remote zones. The zone subnet command may be used more than once to create a list of subnet [...]

  • Page 19

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-307 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Note T o explicitly enable or disabl e a particular endpoint, specify its host addr ess using a 32-bit subnet mask. Configuring Intergateke eper Communication This section descri bes two ways to conf igu[...]

  • Page 20

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-308 Cisco IOS Voice, Video, and Fax Configuration Guide zone3.comintxt“r as gk.3@gk.zone3.com:1725” zone4.comintxt “ras gk4@gk.zone4.com:1725 123” zone5.comintxt “ras gk5@101.0.0.1:1725” Manual Configuration If you choose n ot to use DNS or if DNS is [...]

  • Page 21

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-309 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e zone remote gnet-2503-3-gk cisco.com 172.18.194.134 1719 zone prefix gnet-2503-2-gk 919....... zone prefix gnet-2600-1-gk 919....... zone prefix gnet-2503-6-gk 919....... As you can see, the zone pref ix[...]

  • Page 22

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-310 Cisco IOS Voice, Video, and Fax Configuration Guide Configuring Red undant Gatekeepers for a Zone Prefix T o configur e redundant gatekeepers fo r a zone pr ef ix, use the follo wing commands beginning in global confi guration mode: Y ou can configure mult ip[...]

  • Page 23

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-311 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e T o verify whether the LRQs will b e sent sequentially or simultaneously to the g atekeepers, enter the show running-conf ig command. If the LRQs will be sen t simultaneously , blast will appear beside t[...]

  • Page 24

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-312 Cisco IOS Voice, Video, and Fax Configuration Guide Y ou can enter the hopoff ke yword and gkid ar gument multiple times in the same co mmand to define a group of gatek eepers that will service a gi ven techno logy prefix . After you ha ve listed all of th e [...]

  • Page 25

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-313 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Configuring Static Nodes In some cases, the registrat ion information is not accessible for a terminal or endpoint from any gatekeeper . This inaccessible registration informatio n may be because the en [...]

  • Page 26

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-314 Cisco IOS Voice, Video, and Fax Configuration Guide Configuring H.323 Users via RADIUS T o authenticate H.323 users via RADIUS, use the follo wing commands be ginning in global confi guration mode: • h-323 pr oxy —(Optional) Indicates that the al ias refe[...]

  • Page 27

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-315 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e – krb5-telnet —Uses the Kerberos 5 T elnet authentication prot ocol when using T elnet to connect to th e router . – line —Uses the line password for authentication. – local —Uses the local u[...]

  • Page 28

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-316 Cisco IOS Voice, Video, and Fax Configuration Guide • timeout —(Optional) Specif ies the time interv al (in seconds) for which th e rout er waits for the RADIUS server to reply before ret ransmitting. This setting o verrides the global value of the radius[...]

  • Page 29

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-317 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Step 4 Router(config)# radius-server key { 0 string | 7 string | string } Sets the authenticati on and encryption ke y for all RADIUS communications betw een the router and the RADIUS daemon. The ar gume[...]

  • Page 30

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-318 Cisco IOS Voice, Video, and Fax Configuration Guide After the pre vious steps ha ve been completed, ente r each user into the RADIUS database using eith er the default passw ord if using the security password default command or the actual passwords if u sing [...]

  • Page 31

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-319 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e In addition to the above configuration, mak e sure that the follo wing information is conf igured in your CiscoSecure AAA server: • In the /etc/raddb/clien ts file, ensure that the f ollowing inf ormat[...]

  • Page 32

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-320 Cisco IOS Voice, Video, and Fax Configuration Guide Configuring User Accounti ng Activity for RADIUS After AAA has been enabled and t he gatew ay has been configured to recognize RADIUS as the remote security serv er providing auth entication services, the ne[...]

  • Page 33

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-321 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e For more inf ormation about AAA connecti on accounti ng services, refer to the Cisco IOS Security Confi guration Gui de . Configuring E.164 Interzone Routing W ith Cisco IOS Release 12.0(3)T and later re[...]

  • Page 34

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-322 Cisco IOS Voice, Video, and Fax Configuration Guide Configuring H.323 Version 2 Features T o configure H.32 3 V ersi on 2 features using the Ci sco gatekeeper , perform the follo wing conf iguration tasks. The fir st two tasks are required; the others are opt[...]

  • Page 35

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-323 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Configuring a Dialing Prefix for E ach Gateway T o configure a diali ng prefix for each g atew ay , use the follo wing commands be ginning in global confi guration mode: Command Purpose Step 1 Router(con[...]

  • Page 36

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-324 Cisco IOS Voice, Video, and Fax Configuration Guide T o put all your gate ways in the same zone, use the gw-priority option and specify which gate ways are used for calling dif ferent area codes. For example: zone local localgk xyz.com zone prefix localgk 408[...]

  • Page 37

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-325 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e • Prefix 6 50 is added to gatekeeper localg k, and priority 0 is assigned to gate way gw1. • A priority 0 is assigned t o gatew ay gw1 to exclu de it from the gate way pool for pref ix 650. When gw2 [...]

  • Page 38

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-326 Cisco IOS Voice, Video, and Fax Configuration Guide The follo wing is an examp le of an RRQ notification sent from t he gatekeeper to the serv er when the abov e trigger condition matches: REQUEST RRQ Version-id:1 From:sj.xyz.com To:Server-123 Notification-On[...]

  • Page 39

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-327 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Configuring Gatekeeper Tr iggers for Interaction wi th External Applications T o establish statically conf igured triggers on a router , use the follo wing commands beginning in g lobal confi guration mo[...]

  • Page 40

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-328 Cisco IOS Voice, Video, and Fax Configuration Guide Step 4 Router(config)# destination-info { e164 | email-id | h323-id } value Conf igures a trigger that is based on a particular destination. Repeat this com mand for more destinations. The keyw ords and argu[...]

  • Page 41

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-329 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Note Repeat Steps 2 through 8 i n the above conf iguration task table for each trigger t hat you want to define. Step 6 Router(config)# remote-ext-address [ e164 ] value Limits the qualifying messages ba[...]

  • Page 42

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-330 Cisco IOS Voice, Video, and Fax Configuration Guide Note T o remove a trigger , enter the no server trigger command. T o temporarily suspend a trigger , enter the trigger conf iguration mode, as described in Step 2, and enter the shutdo wn subcommand. Configu[...]

  • Page 43

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-331 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Verifying Gatekeeper Proxied Ac cess Configuration Use the show gatekeeper zone status command to see information abou t the configured gatekeeper proxies and gatek eeper zone informati on (as shown in t[...]

  • Page 44

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-332 Cisco IOS Voice, Video, and Fax Configuration Guide Configuring a Forced Disconn ect on a Gatekeeper T o force a disconnect on a gatekeeper , use the follo wing command in pri vileged EXEC mod e: T o force a particular ca ll to be disconne cted (as op posed t[...]

  • Page 45

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-333 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Configuring a Pr oxy Without ASR T o start the proxy without appl ication-specific rou ting (ASR), start the proxy an d then define the H .323 name, zone, and QoS parameters on the i nterface whose IP ad[...]

  • Page 46

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-334 Cisco IOS Voice, Video, and Fax Configuration Guide • : channel -gr oup —Specifi es a T1 channel group number i n the range 0 t o 23 defined with the channel-group co ntroller conf iguration command. On a dual por t card, it is possible to run channe lize[...]

  • Page 47

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-335 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Step 5 Router(config-if)# h323 gatekeeper [ id gatekeeper-id ] { ipaddr ipaddr [ port ] | multicast } Specifies the gatekeeper a ssociated with a proxy and controls ho w the gatekeeper is di scovered. Th[...]

  • Page 48

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-336 Cisco IOS Voice, Video, and Fax Configuration Guide Ta b l e 2 6 lists interface types that may be used for the type argument in St ep 2 of the configu ration task table in th e “Confi guring a Proxy W ithout ASR” section on page 333 . • flow —(Option[...]

  • Page 49

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-337 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Configuring a Pr oxy with ASR T o enable ASR on the proxy , start the proxy and th en def ine the H.323 name, zone, and QoS parameters on the loopback interface. Next, determine which in terface will be [...]

  • Page 50

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-338 Cisco IOS Voice, Video, and Fax Configuration Guide Step 3 Router(config-if)# ip address ip-address mask [ secondary ] Sets a primary or s econdary IP address f or an interface. The keywords and arguments are as follows: • ip-addr ess —Spe cifies the IP a[...]

  • Page 51

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-339 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Step 9 Router(config-if)# h323 asr [ bandwidth max-bandwidth ] Enables ASR and specifies the maximum bandwidth for a proxy . The keywords and arguments are as follows: • bandwidth max - bandwidth —Sp[...]

  • Page 52

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-340 Cisco IOS Voice, Video, and Fax Configuration Guide Step 20 Router(config)# access-list access-list-number { permit | deny } source source-mask [ destination destination-mask ] { eq | neq } [[ source-object ] [ destination-object ] [ identification ] any ] Cr[...]

  • Page 53

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-341 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e • destination-object —(Op tional) Contains the mandatory ke yword dst and one of th e followi ng optional k eyword s: – eq | neq | lt | gt —Specif ies equal to, not equal to, less than, or greate[...]

  • Page 54

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-342 Cisco IOS Voice, Video, and Fax Configuration Guide Note ASR is not supported on Frame Relay or A TM interfaces for the Cisco MC3810 platf orm. T o start the proxy with ASR enabled on the proxy using tw o different au tonomous systems (one that contains the A[...]

  • Page 55

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Task List VC-343 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Step 3 Router(config-if)# ip address ip-address mask [ secondary ] Sets a primary or s econdary IP address f or an interface. The keywords and arguments are as follows: • ip-addr ess —Spe cifies the [...]

  • Page 56

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Task List VC-344 Cisco IOS Voice, Video, and Fax Configuration Guide Step 9 Router(config-if)# h323 asr [ bandwidth max-bandwidth ] Enables ASR and specif ies the maximum bandwidth for a proxy . The optional ma x - bandwidth argument sp ecifies the maximum bandwidth on th e i[...]

  • Page 57

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Examp les VC-345 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e H.323 Gatekeeper Configuration Examples This section includes the following conf iguration examples: • Config uring a Gatekeeper Example, page 346 • Redundant Gatekeepers for a Zone Prefix Example, p[...]

  • Page 58

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Examples VC-346 Cisco IOS Voice, Video, and Fax Configuration Guide – Config uring a Co-Edge Proxy with ASR W ithout Subnetting Example, page 352 – Co-Edge Proxy with Subnet ting Example, page 354 – Config uring an Inside-Edge Proxy with ASR W ithout Subnetting Example,[...]

  • Page 59

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Examp les VC-347 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e ! Preserve our good QoS by not allowing excessive amounts of H.323 traffic ! on the local network. This restricts the traffic within our zone, ! for both intra-zone and interzone calls, to 2 kbps at any [...]

  • Page 60

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Examples VC-348 Cisco IOS Voice, Video, and Fax Configuration Guide Similarly , in ny (Ne w Y ork in the 212 area code), gate ways are conf igured to re gister with gk-ny as follo ws: • gw-ny2 conf igured to register with technolog y prefix 2# • gw-ny3 conf igured to regi[...]

  • Page 61

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Examp les VC-349 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Gatekeeper gk-sj checks for a technol ogy prefix mat ch but doe s not find one. It th en searches for a zon e pref ix match and fails ag ain. But there is a match for def ault gate way pref ix of 4#, and[...]

  • Page 62

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Examples VC-350 Cisco IOS Voice, Video, and Fax Configuration Guide Note The no shut command is issued on both gatek eepers, primary and secondary . If the show gatekeeper status command is issued on the two gatekeepers, gk 1 will show the follo wing: Gatekeeper State: UP But[...]

  • Page 63

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Examp les VC-351 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Enabling the Proxy to Forward H.323 Packets T o enable the proxy to forw ard H.323 packet s receiv ed from the edge netw ork to the multimedia backbone, designate the interface that connects the proxy to[...]

  • Page 64

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Examples VC-352 Cisco IOS Voice, Video, and Fax Configuration Guide Assuming these requirements are met, conf igure the network il lustrated in Figure 62 as follo ws: • Configure each of the four networks as a separate routing autonomous system and do not redistribute route[...]

  • Page 65

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Examp les VC-353 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e interface Ethernet0 ip address 172.20.0.1 255.255.0.0 ! interface Ethernet1 ip address 172.22.0.1 255.255.0.0 ip access-group 101 in ip access-group 101 out h323 asr ! router rip network 172.20.0.0 netwo[...]

  • Page 66

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Examples VC-354 Cisco IOS Voice, Video, and Fax Configuration Guide Co-Edge Proxy with Subnetting Example Figure 64 and the e xamples that follo w illustrate h ow to conf igure Enhanced IGRP on all netw orks. Figur e 64 Sample Configuration with Subnetting PX1 Configuration T[...]

  • Page 67

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Examp les VC-355 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e access-list 11 deny 172.21.0.0 0.0.0.63 access-list 11 permit any access-list 101 permit ip any host 172.21.10.1 access-list 101 permit ip host 172.21.10.1 any access-list 101 permit eigrp any any R1 Con[...]

  • Page 68

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Examples VC-356 Cisco IOS Voice, Video, and Fax Configuration Guide Configuring an Inside-Edge Proxy w ith ASR Without Subnetting Example The confi guration of the co-edge proxy in Edge net 1 has already b een presented abov e. Figure 65 illustrates the conf iguration of the [...]

  • Page 69

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Examp les VC-357 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e ip access-group 101 in ip access-group 101 out ! interface Ethernet2 ip address 172.21.0.2 255.255.0.0 ! interface Serial0 ip address 10.0.0.1 255.0.0.0 ! router rip redistribute igrp 5000 metric 1 netwo[...]

  • Page 70

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Examples VC-358 Cisco IOS Voice, Video, and Fax Configuration Guide PX1 Configuration The follo wing output is for th e PX1 configurati on: ! version 11.3 no service password-encryption service tcp-small-servers ! hostname ExampleProxy ! no ip domain-lookup ! proxy h323 ! int[...]

  • Page 71

    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Examp les VC-359 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e Configuring a Closed Co-Edge Proxy with ASR Without Subnetting Example Figure 67 illust rates how to conf igure RIP on the edge networks and IGRP on th e two backbone networks. A Cisco 2500 router is use[...]

  • Page 72

    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Examples VC-360 Cisco IOS Voice, Video, and Fax Configuration Guide network 172.20.0.0 network 10.0.0.0 ! router igrp 4000 network 172.22.0.0 network 101.0.0.0 ! ip classless access-list 101 permit ip any host 10.0.0.1 access-list 101 permit ip host 10.0.0.1 any access-list 1[...]

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    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Examp les VC-361 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e A priority 0 is assigned to gatew a y gw1 to exclude it from the gate w ay pool for prefix 650........ When gate way gw2 registers with gatekeeper localgk, it is added to the gate way pool for each pref [...]

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    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Examples VC-362 Cisco IOS Voice, Video, and Fax Configuration Guide Removing a Proxy Example The follo wing exampl e shows h ow to remo ve on e or more proxy statements for the remote zone german y .xyz.com from the proxy conf iguration list: no use-proxy sj.xyz.com remote-zo[...]

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    Configuring H.323 Gate keepers an d Proxies H.323 Gatekeeper Configuration Examp les VC-363 Cisco IOS Vo ice, Video, and Fa x Configuration Guid e GKTMP and RAS Messages Example The follo wing is an example of a gatekeeper that has interaction w ith exte rnal applications. The regist ration message from Server -123 establishes a connection with g a[...]

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    Configuring H.323 Gatekeepers and Proxies H.323 Gatekeeper Config uration Examples VC-364 Cisco IOS Voice, Video, and Fax Configuration Guide[...]