Dynamic GRE 2

This configuration is supported only on Cisco x8xx series routers
-IPv6 over DMVPN
-IPv6 NHRP

Configuration

(871W)

interface Tunnel8
description NetINS IPv6
bandwidth 10000
ip address xxx.xxx.xx.125 255.255.255.252
no ip redirects
ip mtu 1400
ip nhrp authentication cisco
ip nhrp map xxx.xxx.xx.126 xxx.xxx.66.31
ip nhrp map multicast xxx.xxx.66.31
ip nhrp network-id 123
ip nhrp nhs xxx.xxx.xx.126
ip nhrp shortcut
ip nhrp redirect
ip tcp adjust-mss 1360
ip ospf network broadcast
ip ospf mtu-ignore
ipv6 address FE80::2001 link-local
ipv6 address 2001:5F8::BEEE:1/112
ipv6 enable
ipv6 mtu 1400
ipv6 nhrp authentication cisco
ipv6 nhrp map multicast dynamic
ipv6 nhrp map 2001:5F8::BEEE:2/112 xxx.xxx.66.31
ipv6 nhrp network-id 123
ipv6 nhrp nhs 2001:5F8::BEEE:2
tunnel source Dialer0
tunnel mode gre multipoint
tunnel key 123
tunnel path-mtu-discovery

(3845)

interface Tunnel8
bandwidth 10000
ip address xxx.xxx.xx.126 255.255.255.252
no ip redirects
ip mtu 1400
ip nhrp authentication cisco
ip nhrp map multicast dynamic
ip nhrp network-id 123
ip tcp adjust-mss 1360
ipv6 address FE80::2001 link-local
ipv6 address 2001:5F8::BEEE:2/112
ipv6 enable
ipv6 mtu 1400
ipv6 nhrp authentication cisco
ipv6 nhrp map multicast dynamic
ipv6 nhrp network-id 123
tunnel source Loopback0
tunnel mode gre multipoint
tunnel key 123