[c-nsp] strange issue on mcast flow

[Nick Hilliard]

Could be a duplex / autoneg issue?  If not, then was the same port used on
the C3925 for each scenario?  Different types of ports on these boxes have
different hardware capabilities.

Nick

On 12/11/2014 13:28, Matthew Huff wrote:
> What size is the link between the 6500 and the c3925? What line card do you have on the 6500 that is connected to the c3925? 
> 
> -----Original Message-----
> From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of R LAS
> Sent: Wednesday, November 12, 2014 8:16 AM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] strange issue on mcast flow
> 
> Hi,
> I've tricky problem:
> 
> Net scenario
> Multicast Provider --- link 1Gbs --- c6500 --- c3925 (NAT/ACL)  --- 1Gbs link --  customer
> 
> When my multicast provider have some spike I see a lot of input errors/overrun on C3925 and customer experience loss of mcast flow.
> 
> Then I tried to move the link directly in an interface of C3925 (doing NAT and ACL) bypassing C6500 and do not see anymore input errors/overrun
> 
> New Scenario
> Multicast Provider --- link 1Gbs --- c3925 (NAT/ACL) --- --- 1Gbs link --  customer
> 
> Any idea why this could happens ?
> 
> Greetings 		 	   		  
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