From: Raymond Jett \(rajett\) (rajett@cisco.com)
Date: Wed Jun 18 2003 - 15:54:28 GMT-3
Joe,
If it's a Cisco Press book, have you tried looking on www.ciscopress.com for
the errata?
Some books have corrections published for them. ;)
Like Solie's CCIE: Practical Studies Volume 1...
http://www.ciscopress.com/isapi/product_id~{9E5835BB-4972-4956-B7F7-B4C8AE56
C918}/selectDescTypeId~{3E2086CC-D924-4834-9600-A29694F5A455}/st~5A64A969-24
7A-47E1-8200-E6CA04EEDDA1/session_id~{71483F9C-A803-45D6-A4D2-6DC802455D13}/
content/images/1587200023/errata/1587200023errata.doc
Raymond
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Joe
Deleonardo
Sent: Wednesday, June 18, 2003 11:00 AM
To: ccielab@groupstudy.com; cciesecurity@yahoogroups.com;
security@groupstudy.com
Subject: STP down a trunk
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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