Re: [nsp] Ethernet errors between 7500/PA-FE-TX and 3548XL switch

From: sthaug@nethelp.no
Date: Tue Jun 13 2000 - 15:15:23 EDT


> In my tests there were no further errors. CDP packets appear to be
> correctly encapsulated in ISL mcast frames.

Yes, that's what I see here too.

> I also noticed that when keepalive is disabled, the router interface
> doesn't respond to the link state correctly. Disconnecting the cable
> so that the link light is off causes the router interface to toggle
> down and then back up. After which the interface stays up/up, even
> though the link is down. After re-enabling keepalives the router
> correctly flags the "line protocol down" state when the link is
> disconnected.

I concluded that I preferred to keep the keepalives even if it means
apparent CRC errors. Hopefully a newer IOS release will fix this.

Steinar Haug, Nethelp consulting, sthaug@nethelp.no



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