[c-nsp] Cisco 6500 packet loss

[naresh reddy]

Hi  
I have attached a description diagram

http://postimg.org/image/cbm1xp3c7/

svis are on the 6500 destination is 11 hops away and route is learned from BGP table

the first hop is an isp

i hope this is bit clear




On Wednesday, February 26, 2014 2:15 PM, naresh reddy <nareshbtech at yahoo.com> wrote:
 
Hi phil/Velimir

 
its our edge router a 6500 with sup 3b
its has SVIs  and the isp terminates on the same device

when reaching a desitination we are loosing packets when sources form some vlans but not in other


int vlan 1  ------->
bgp peer int---------------------->DESintation
int vlan 2  ------->

|<-------same 6500--->




Nareshchandra Paturi





On Wednesday, February 26, 2014 1:35 PM, Phil Mayers <p.mayers at imperial.ac.uk> wrote:

On 26/02/14 13:02, naresh reddy wrote:
> Hi All
>
> i am seeing a wierd issue on a 6500
>
> wee are seeing packet loss to a remote location when sourced form some SVIs
>
> but not when sourced from some other SVis

That's a bit vague. You'll need to be more specific about topology and 
config for people to help you. Please specify software and module 
version/types, sample config of SVIs and ports they're on.

As someone else points out, it could be a faulty link. Have you checked 
the "sh int" counters?

Alternatively it could be TCAM mis-program, and CPU punt; you can use 
SPAN/ERSPAN to check this.

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