From: Hansang Bae (hbae@nyc.rr.com)
Date: Sun Oct 13 2002 - 15:27:25 GMT-3
At 07:35 AM 10/11/2002 -0700, Don wrote:
> You can not do ISL on a 10mbit interface. You can do dot1q
>encapsulation. A major problem with doing dot1q encapsulation with a 2500
>is that the Ethernet interface will then no longer support an MTU of 1500
>because of a hardware limitation. The maximum MTU needs to be decreased to
>something like 1497 (I'm not sure about the exact size but I seem to
>remember dot1q adds 3 bytes to the frame).
> Another major problem is that you need at least a 3620 before you have
>the necessary mls commands on the router.
2500's CANNOT do ANY type of trunking regardless of IOS. Secondary addressing will have to suffice.
hsb
This archive was generated by hypermail 2.1.4 : Tue Nov 05 2002 - 08:35:46 GMT-3