[c-nsp] 7206 - 2950 Trunk hangs !!

Rodney Dunn rodunn at cisco.com
Sat Aug 20 11:16:42 EDT 2005


You need to provide more information. You said it hangs but
then you say "Traffic is normal".

It's better not to use generic terms but rather explain
what happens.

I'm assuming traffic stops being forwarded out the link.

Then you need to get snapshots of things like:
sh int
sh ip cef <dstprefix>
sh controller 

Get a sniffer capture and see which direction the traffic
is failing. ingress, egress, or both...

Did this just start happening after you upgraded?

Something always changes to trigger these types of problems.

Rodney

On Wed, Aug 17, 2005 at 02:09:43PM +0530, Danny Pinto wrote:
> Hai cisco NSP users 
> 
> I have a peculiar problem with my  7206VXR (NPE300) processor with 229376K/65536K bytes of memory running 12.0(30)S1
> 
> It has a  (Fast-ethernet (TX-ISL) port adapter, 1 port)  The FE port port is connected to a 2950 with 12.1(20)EA1a on trunk 
> 
> 
> 
> 7206  Fa 2/0 ----------Trunk ----------- catalyst  2950   ----Access VLAN 20------- Customer A
>                                                                |
> Fa 2/0.10  ( Customer A GW)                        | Access Vlan 10
> Fa2/0.20  ( Customer B GW)                         |   
>                                                             Customer B        
> 
> 
> I am given our internet BW on ethernet to my customers using VLAN dot1q access  on switch  and creating subinterface dot1q on 7206 ethernet port 
> 
> 
> My Problem : The trunk link between 7206 and 2950 hangs sometime .... Traffic is normal , CPU okay . when I give shut & no shut The link starts to responds .
> 
> I had same problem with 2920 instead of 2950 ... Problem does not seem to resolve 
> 
> anyone experienced same ????????????? Pls help 
> 
> 
> Rgds
> 
> Danny 
> ====================
> Imbroglio Communique 
> Inde 
> ====================
> 
> 
> 
> 
> 
> 
> 
> 
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