From: Keith Foster (kfoster@xtelesis.com)
Date: Fri Nov 15 2002 - 15:57:04 GMT-3
I've always done it the second way you mentioned. Create the vlan interface
on the MSFC and then assign ports to the vlan on the switch or vice versa.
The interface is 'layer 3' interface because it is created on the MSFC which
is essentially a router.
Keith Foster
CCNP, CCSE NG
Network Engineer, Managed Services
Xtelesis Corporation
Direct: 650.239.1424
kfoster@xtelesis.com <mailto:kfoster@xtelesis.com>
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Joe A
Sent: Friday, November 15, 2002 10:27 AM
To: Ccielab
Subject: OT: Cat 6500 IOS (not CatOS)
Guys,
When running IOS on the Catalyst 6500, what is the difference between
the following:
First, put a bunch of interfaces (ports) into VLAN 20, including port
3/1, then configuring:
interface FastEthernet 3/1
ip address 10.1.1.1 255.255.255.0
OR
First, put a bunch of interfaces (ports) into VLAN 20 and then assign
the IP address
to a logical VLAN interface itself:
interface VLAN 20
ip address 10.1.1.1 255.255.255.0
Do these accomplish the same thing?
Another question, what makes an interface a 'layer 3' interface, just
the presence of a layer 3 address, or is there more to it?
Joe
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