From: Joe Deleonardo (jdeleonardo@cox.net)
Date: Wed Jun 18 2003 - 15:00:04 GMT-3
Hi,
I'm working on a problem.... besides these groups have been too quite. ;-)
It's a lab in a Cisco book. One of the steps is, "do not propagate VLAN26 and
VLAN13 down the trunk."
At first I thought about pruning, but there's only one CAT 3550 switch in the
design. Then I thought about using, "switchport trunk allowed vlan remove 26"
etc. Then I checked the final config per Cisco and neither idea I had for
taking care of that step showed up in the final config.
There's nothing in the final solution that's foreign to me or that I think
will solve this step. It's a very basic switch config.
Here's the trunk config:
int f0/5
switchport mode trunk
switchport trunk encap dot1q
Here is the config for one of the vlans:
int f0/6
switchport mode access
switchport access vlan 26
An excerpt from the vlan database:
vtp server
vtp domain lab
vtp password cisco
vlan 26 name VLAN26
Now I know what you're thinking. If there is only one cat 3550 switch, then
why the password. Maybe it's for planning for a future addition or just
plain security? But in this map and problem there is only one CAT 3550.
I suppose it could just be an oversight on the side of the author, by not
including the solution. But I've gone back and re-read everything about the
encapsulation, trunking and vlans I could find and I can't find anything.
This kind of stuff will sit in the back of my head until I know what's going
on... any ideas? I'm just afraid I'm missing something key.
Thanks,
Joe
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