From: Stephen Masraum (masraum@xxxxxxxxxx)
Date: Thu Jan 25 2001 - 02:34:29 GMT-3
Just a little related detail. This is true unless you bring IPX into the
mix. Don't forget that one of the ways to run multiple IPX L2
encapsulations is with subinterfaces which can be done on regular 10bT.
Steve
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Patrick Murphy
Sent: Wednesday, January 24, 2001 11:41 PM
To: Harbir Kohli; 'Ccielab
Subject: Re: subif on Ethernet
You need some type of encapsulation such as ISL to create sub-interfaces. It
also needs to be 100 MB.
----- Original Message -----
From: "Harbir Kohli" <harbirk@sympatico.ca>
To: "'Ccielab" <ccielab@groupstudy.com>
Sent: Wednesday, January 24, 2001 4:52 PM
Subject: subif on Ethernet
> Hello,
>
> When I try to assign an IP address to a subinterface I get the following
> error:
> R1(config-if)#int e0.1
> R1(config-subif)#ip add
> R1(config-subif)#ip address 150.10.10.1 255.255.255.0
>
> Configuring IP routing on a LAN subinterface is only allowed if that
> subinterface is already configured as part of an IEEE 802.10 or ISL
> vLAN.
>
> Why?
> I tried 11.2.17, 11.2.23, and 12.0.5, all give the same error.
>
> I know that I have created subinterfaces in the past but what version, I
> don't remember what IOS version that was under.
>
> Is there a workaround?
>
> Also to create an ISL interface do you need fast ethernet ? or can you
> do it with plain 10baseT? How do you do it?
>
> Thanks
>
> harbir
>
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