Re: BFD over OSPF & NSF/SSO Catalyst 6500

I don't think 6748 support BFD <double check this>

Configuration looks correct. there are only 2 lines!

What does output of "debug bfd packets <ip>" says?

On Tue, Oct 4, 2011 at 7:16 AM, JuanF <fferrer10_at_gmail.com> wrote:

> Hi all,
>
> I am trying to enable BFD over OSPF between 2 catalyst 6509 switches, but i
> can
> not see clearly why the bfd session is always on AdminDown state:
>
> My hw:
>
> 2 x catalyst6509-E, with dual Sup720-10G +DFC +MSFC3. Ospf interfaces
> running
> BFD are on 6748 line card + CFC. I am using NSF/SSO config, extended to
> OSPF
> process.
>
> My sw: IOS 12.2.33SXI4 avdipservices
>
> My configs (on each router)
>
> ------ROUTER_1------------
>
> interface GigabitEthernet3/4
> description CONEXION_1
> ip address 10.20.254.17 255.255.255.248
> no ip redirects
> no ip proxy-arp
> ip pim sparse-dense-mode
> ip ospf bfd
> bfd interval 50 min_rx 50 multiplier 5
>
> ....
> router ospf 1
> router-id 10.20.60.129
> log-adjacency-changes
> auto-cost reference-bandwidth 10000
> nsf
> area 2 nssa default-information-originate no-summary
> summary-address 10.20.48.0 255.255.240.0
> summary-address 10.20.64.0 255.255.240.0
> redistribute connected metric-type 1 subnets
> redistribute static metric-type 1 subnets
> network 10.20.60.129 0.0.0.0 area 0
> network 10.20.60.128 0.0.0.127 area 0
> network 10.20.83.92 0.0.0.0 area 2
> network 10.20.83.124 0.0.0.0 area 2
> network 10.20.254.6 0.0.0.0 area 0
> network 10.20.254.9 0.0.0.0 area 0
> network 10.20.254.16 0.0.0.7 area 0
> network 10.20.254.33 0.0.0.0 area 0
> network 10.20.254.100 0.0.0.0 area 0
> network 10.20.254.109 0.0.0.0 area 0
> bfd all-interfaces
> ...
>
> -----------ROUTER2------------
>
> ....
>
> interface GigabitEthernet1/4
> description CONEXION_1
> ip address 10.20.254.18 255.255.255.248
> no ip redirects
> no ip proxy-arp
> ip pim sparse-dense-mode
> load-interval 30
> ip ospf bfd
> bfd interval 50 min_rx 50 multiplier 5
>
> ----
>
> router ospf 1
> router-id 10.20.29.131
> log-adjacency-changes detail
> auto-cost reference-bandwidth 10000
> nsf
> area 1 nssa default-information-originate no-summary
> summary-address 10.20.16.0 255.255.240.0
> redistribute connected subnets
> redistribute static metric-type 1 subnets
> network 10.20.29.92 0.0.0.0 area 1
> network 10.20.29.124 0.0.0.0 area 1
> network 10.20.29.131 0.0.0.0 area 0
> network 10.20.254.5 0.0.0.0 area 0
> network 10.20.254.16 0.0.0.7 area 0
> network 10.20.254.25 0.0.0.0 area 0
> network 10.20.254.49 0.0.0.0 area 0
> network 10.20.254.100 0.0.0.0 area 0
> network 10.20.254.105 0.0.0.0 area 0
> bfd all-interfaces
>
>
> The OSPF adjacency becomes FULL on the ospf interface BFD is configured,
> but
> BFD is always "AdminDown". If you display the "show bfd nei det", you can
> see
> that each end sends BFD control packets, but no receives (it is strange, i
> do
> not have any type of filter or similar)
>
> Looking at the BFD 6500s restrictions exposed at:
>
> http://www.cisco.com/en/US/docs/ios/iproute_bfd/configuration/guide/irb_bfd_ps6441_TSD_Products_Configuration_Guide_Chapter.html
>
> , i am not sure if BFD not stablish because i have CFC on the line cards...
>
> Anyone can help ?
>
> TIA & Best Regards.
>
>
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Received on Tue Oct 04 2011 - 19:25:12 ART