[c-nsp] Catalyst6506 w/ sup1amsfc2 & 6148-ge-tx large packets aredropped

[Brian Turnbow]

The 6148 supports up to 1518 frame size  , the 6148A does 9216.
This may be your problem
Regards
Brian
 

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Comm-AG
Sent: martedì 9 ottobre 2007 9.22
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] Catalyst6506 w/ sup1amsfc2 & 6148-ge-tx large packets aredropped

Hi,

 

I have a problem isolated to 6148-ge-tx line-card.  The line-card connects a
number of service provider connections.  When large packets are switched
between different ports on the same card,  large packets are dropped.

 

The problem has become apparent since our international service provider
(call it T-Systems) upgraded their CE router and required us to run dot1q on
the 6148-ge-tx interface.  Since then,  all traffic switched from other
sources to the T-Systems port has this problem where large packets are
dropped.

 

If we move services to another card leaving the T-Systems connection as it
was,  the problem goes away.

 

Any help would be appreciated.

 

Thanks

Anthony

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