Hello,
I run into this one trying to understand the features, is not documented in any
lab is merely me playing around. I have the following scenario:
Router1 Get KS (Multicast
rekey)
| |
| |-------------IPS
| |
ASA1----------------ASA2 (Multicontext
failover pair)
| |--GRE---BGP
peering with authentication.
| |
Router2 Get GM (DMVPN Hub)
|
WebVPN server |
(Get GM/DMVPN spoke) Router3----Switch1-----Router4 (Get GM/DMVPN spoke)
|
Switch2
|
Router5 (Get GM/DMVPN spoke)
Router 4,5 Are on Community Vlans
Router 3 is on a Isolated Vlan,
Port that goes to the Router 2 is promiscuous
I am running ospf between the Routers. Router 4,5,2 see each other as
neighbors. Router3 sees Router2 (as expected) however, the adjacency is never
build. The router stays on
Neighbor ID Pri State Dead Time Address Interface
172.16.20.1 1 EXSTART/BDR 00:00:33 48.48.200.2
FastEthernet0/0
If I change the network type to point to point and change it on the Router 2 as
Point to multipoint, everything comes up clean. If I remove the network type
and place the router 3 on the community vlan, it comes up fine.
I suspected a problem with Multicast vs Isolated Vlan, however, I received a
GET vpn rekey without any problems.
Mike.
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