From: MADMAN (dmadlan@qwest.com)
Date: Wed Jun 02 2004 - 19:27:32 GMT-3
Read my reply more carefully and you will see I also mentioned a trunk .
Dave
Richard Dumoulin wrote:
> 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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-- David Madland CCIE# 2016 Sr. Network Engineer Qwest Communications 612-664-3367"Emotion should reflect reason not guide it"
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