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Overview and Topology

This example shows how to configure the SP BGF router in the topology shown in Figure 25.

Figure 25: Voice Solution Topology Diagram

Image g016995.gif

Table 14 shows the voice configuration components.

Table 14: Addresses Used in the Voice Solution Topology

Device

Interfaces/Virtual BGF/NAT Pools

Address

SP BGF
(Service Provider
BGF)

sp–1/2/0.10 (inside service domain for BGF-1)

sp-1/2/0.20 (outside service domain for BGF-1)

sp-1/2/0.30 (inside service domain for BGF-2)

sp-1/2/0.40 (outside service domain for BGF-2)

Not applicable

sp-1/2/1.10 (inside service domain for BGF-3)

sp-1/2/1.20 (outside service domain for BGF 3)

Not applicable

BGF-1—Provides both SIP and RTP over IPv4

BGF-2—Provides RTP (video) over IPv4

BGF-3—Provides media over IPv6

172.16.10.1

172.16.20.2

172.16.30.3

Media (RTP) NAT Pools

  • bgf1_peer_rtp-nat-pool-1
  • bgf2_peer_rtp-nat-pool-2
  • bgf3_peer_rtp-nat-pool-3
  • bgf1_core_rtp-nat-pool-4
  • bgf2_core_rtp-nat-pool-5
  • bgf3_core_rtp-nat-pool-6

Pool Address

  • 11.0.0.5
  • 11.0.0.25
  • 2001:db8:10:3::100/128
  • 10.0.0.5
  • 10.0.0.25
  • 2001:db8:13:2::100/128

Signaling (SIP) NAT Pools

  • bgf1_peer_sip-nat-pool-7
  • bgf1_core_sip-nat-pool-8

Pool Address

  • 11.0.0.2
  • 10.0.0.2

Gateway Controller

 

33.0.0.1

Peering Router

 

22.0.0.1


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