[nsp] Re: HSSI Overruns

From: Randall S. Benn http://www.clark.net/pub/rbenn (rbenn@clark.net)
Date: Sun Mar 22 1998 - 23:04:53 EST


At 11:18 AM 3/23/98 +0900, you wrote:
>Please tell me the mean of "overrun" error at Cisco router interface
>if someone know.
>Now, there are so many overrun errors in our HSSI interface.
>Please tell me what made these errors and what's wrong.
>If you know what made each input errors(CRC, frame, overrun, ignored, abort),
>help me, even though you know roghly.
>I expect your kind help.

Here are a couple of links to check out for some possible bugs:

  http://www.cisco.com/warp/public/770/8.shtml
  http://www.cisco.com/warp/public/733/adap/hssi/605_pp.htm

If these do not apply, then perhaps you don't have enough buffer space for
the HSSI interface. The amount of hardware buffers available to the HIP
interface is determined by several factors: number of cards in the entire
box, type of cards, MTU of respective cards, etc. The CPU of the box may
also be overutilized--this can easily be checked with a 'show proc cpu'
command.

Regards,

Randy

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