[c-nsp] Cisco 6500 packet loss

[Jason Lixfeld]

How many routes are in tbhe RIB on your 6500?  If it's more than 256K, you might have problems seeing as how you're only using a Sup720-3B.

On Feb 26, 2014, at 9:30 AM, naresh reddy <nareshbtech at yahoo.com> wrote:

> 
> 
> 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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