[c-nsp] IS-IS on L3 vlan interfaces

[Jon Harald Bøvre]

We are using this type of configuration on our 7609SUP720 with no problems.
4 routers connected by a shared LAN
Find info below

Jon

System image file is 
"bootdisk:c7600s72033-advipservicesk9-mz.122-33.SRE3.bin"

Site4-520-060#sh cln n vl 3000

Tag null:
System Id      Interface   SNPA                State  Holdtime  Type 
Protocol
Site1-520-060 Vl3000      001b.0def.9bc0      Up     8         L2   IS-IS
Site2-520-060 Vl3000      0012.dac2.ef40      Up     29        L2   IS-IS
Site3-520-060  Vl3000      0013.19fd.9880      Up     27        L2   IS-IS

interface Vlan3000
  mtu 2000
  ip address x.x.32.82 255.255.255.240
  ip router isis
  ip pim dr-priority 100
  ip pim sparse-mode
  ipv6 address x:x:0:3::20/64
  ipv6 ospf cost 3
  ipv6 ospf 41 area 0
  mpls ip
  mpls traffic-eng tunnels
  isis circuit-type level-2-only
  isis metric 5
  ip rsvp bandwidth


On 28.05.2011 02:38, Walter Keen wrote:
> I'm having some trouble getting (integraded) IS-IS to form an adjacency
> over a L3 vlan that has 3 routers in it.  It's on a Cisco 7600 series
> with 12.2(33)SRE code, however if I configure the vlan interface with
> the network type point-to-point, it comes up as expected.  Since they
> all have dot1q trunks to a metro ethernet provider, I could certainly
> make vlans to form point to point connections to all of them, but I
> don't really want to unless I have to.
>
> Does anyone have experience with this sort of issue?  I get as far as,
> with debug isis adj, I can see router A send packets, and B/C (all in
> the same ethernet segment/broadcast domain) receive it and transmit
> packets, presumabely in response, but A 's debug never indicates
> receiving an isis packet.  isis and clns neighbor state on B and C get
> stuck in INIT
>
>
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