From: MMoniz (ccie2002@tampabay.rr.com)
Date: Wed Jun 02 2004 - 19:27:28 GMT-3
On the Cat 3550 in order for the layer 3 VLAN int to come up, a physical
port MUST be associated to this
VLAN. It can be a trunk port alloaing this VLAN as Richard demonstrated or
put a port in this VLAN access. But one
or the other must exist
Otherwise there is no point for this int to be up.
Mike
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Richard Dumoulin
Sent: Wednesday, June 02, 2004 6:06 PM
To: Stuart Reabow; ccielab@groupstudy.com
Subject: RE: 3550 VLAN interface
Did you create the vlan first ?
-----Original Message-----
From: Stuart Reabow [mailto:stuartbr@hotmail.com]
Sent: miircoles, 02 de junio de 2004 23:53
To: Richard Dumoulin; ccielab@groupstudy.com
Subject: RE: 3550 VLAN interface
Richard,
See below:
Rack1SW1#sr int vlan 20
Building configuration...
Current configuration : 61 bytes
!
interface Vlan20
ip address 172.16.0.1 255.255.255.0
end
Rack1SW1#sh int vlan 20
Vlan20 is down, line protocol is down
Hardware is EtherSVI, address is 000a.f43a.4a80 (bia 000a.f43a.4a80)
Internet address is 172.16.0.1/24
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
_____
From: Richard Dumoulin [mailto:richard.dumoulin@vanco.es]
Sent: 02 June 2004 22:48
To: Stuart Reabow; ccielab@groupstudy.com
Subject: RE: 3550 VLAN interface
For the physical, put "no keepalive". This is normally configured on
ethernet interfaces.
For the vlan interface, you don't need to have any port assigned to the vlan
in question. It will come up.
--Richard
-----Original Message-----
From: Stuart Reabow [mailto:stuartbr@hotmail.com]
Sent: miircoles, 02 de junio de 2004 20:52
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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