From: Richard Dumoulin (richard.dumoulin@vanco.es)
Date: Wed Jun 02 2004 - 19:01:13 GMT-3
MADMAN, I disagree here . You do not need a port assigned to a vlan to have
the vlan interface up. Suppose 2 switches with a trunk between them, A and
B. A has a vlan inetrface but no physical port assigned. B has a physical
port assigned. This is a case where it would be useful to have the vlan
interface up !!
Regarding the keepalives, I was referring to router ethernet keepalives.
Regards
--Richard
-----Original Message-----
From: MADMAN [mailto:dmadlan@qwest.com]
Sent: miircoles, 02 de junio de 2004 23:52
To: Kenneth Wygand
Cc: Stuart Reabow; ccielab@groupstudy.com
Subject: Re: 3550 VLAN interface
There are no keepalives on VLAN interfaces.
your not going to get the VLAN interface active without a active port
configured for that VLAN or and active trunk with that VLAN in it. What
would be the point? What are you trying to do? Stick a loopback plug
into a port if you want the VLAN active.
Dave
Kenneth Wygand wrote:
> Stuart,
>
> The physical port you can keep up by disabling keepalives ('no
> keepalive').
>
> I doubt this will work for a VLAN interface though.
>
> Kenneth E. Wygand
> Systems Engineer, Project Services
> CISSP #37102, CCNP, CCDP, ACSP, Cisco IPT Design Specialist, MCP, CNA,
> Network+, A+
> Custom Computer Specialists, Inc.
> "The only unattainable goal is the one not attempted."
> -Anonymous
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of Stuart Reabow
> Sent: Wednesday, June 02, 2004 2:52 PM
> To: ccielab@groupstudy.com
> Subject: 3550 VLAN interface
>
> Hi all,
>
> How do I keep a vlan interface up if it has no active ports, or no
> ports configured. Also, how can I keep a physical interface up if it
> has no link active?
>
> Thanks
>
> Stuart
>
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-- David Madland CCIE# 2016 Sr. Network Engineer Qwest Communications 612-664-3367"Emotion should reflect reason not guide it"
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