Summary 231
Summary
This chapter discussed how to configure and manage static H.323 dial plans on gateway and
gatekeeper platforms for large VoIP networks. We described the relationships between
gateways, gatekeepers, and directory gatekeepers, and explained the responsibilities of
each of these network components in implementing a large-scale dial plan.
We talked about using translation rules to accomplish digit manipulation, and we talked
about using the preference command, HSRP, and other tools to configure failover options.
We also discussed how to use zone prefixes, technology prefixes, and hopoff zones to
simplify administration and scaling for call routing in large-scale dial plans.
!
ip subnet-zero
no ip domain-lookup
!
interface FastEthernet0/0
ip address 172.19.49.184 255.255.255.192
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
no ip classless
no ip http server
!
gatekeeper
zone local DGK netman.com 172.19.49.190
zone remote NA-GK netman.com 172.19.49.168 1719
zone remote AS-GK netman.com 172.19.49.172 1719
zone remote E-GK netman.com 172.19.49.176 1719
zone remote NA-AGK netman.com 172.19.49.169 1719
zone prefix NA-GK 1*
zone prefix E-GK 33*
zone prefix AS-GK 86*
lrq forward-queries
no shutdown
!
line con 0
transport input none
line aux 0
line vty 0 4
password xxx
login
!
end
Example 5-26 ALT-DGK (Secondary Directory Gatekeeper) Configuration (Continued)
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