[c-nsp] Cisco 800 stops forwarding layer 3 via switchport

[n00dles at nix-jutsu.net]

On Wednesday, 11 November 2009 at K:04:55 +0000, Paul Cosgrove wrote:
>    Not personally, but I have heard of similar issues which affect old
>    versions of the PIX software.  Does disabling/enabling or
>    disconnecting/reconnecting the interface also resolve the issue?
Sadly not that I'm aware of, the customer "manages" the PIXs involed
which are really only doing NAT from the looks of the config they have
provided.

>    On Tue, Nov 10, 2009 at 4:42 PM, <[1]n00dles at nix-jutsu.net> wrote:
> 
>      Hello all,
>      We have a strange issue between PIX 501's running 6.3and our 800 series
>      routers, we are using verious 800s(857/877) with a spread of IOS versions.
>      The
>      problem manifests itself as a drop of connectivity between the two
>      devices, that being we lose layer 3 forwarding out of the
>      switch-port
>      module on the 800.
>      We are of the opinion we have ethernet connectivity between devices
>      as
>      the mac-address table is being populated after being cleared, and
>      linkstate show up/up but we cannot ping, nor can the device ARP for
>      the PIX.
>      Static ARP entrys also no not fix the issue, the only way we have
>      found
>      so far to fix the problem is to reboot the 800.
>      Has anyone experienced this kind of problem before?
>      Regards
>      --
>                                                                     _
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> References
> 
>    1. mailto:n00dles at nix-jutsu.net
>    2. mailto:chris at timico.net
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