From: asadovnikov (asadovnikov@comcast.net)
Date: Fri Oct 24 2003 - 23:02:41 GMT-3
That is exactly! It needs a trunk, which can only exist on a switchport
(L2). L2 access port or L3 port is not enough.
Best regards,
Alexei
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Church, Chuck
Sent: Friday, October 24, 2003 8:53 AM
To: Mike Williams; Paul Chen; ccielab@groupstudy.com
Subject: RE: cat 3550 - layer 3 etherchannel, vtp
VTP info exchange requires a trunk - always. Since you've disabled
switchport on the two physicals and the logical, trunking (and VTP) will
never be possible.
Chuck Church
CCIE #8776, MCNE, MCSE
Wam!Net Government Services
13665 Dulles Technology Dr. Ste 250
Herndon, VA 20171
Office: 703-480-2569
Cell: 703-819-3495
cchurch@wamnetgov.com
PGP key:
http://pgp.mit.edu:11371/pks/lookup?op=index&search=cchurch%40wamnetgov.com
-----Original Message-----
From: Mike Williams [mailto:ccie2be@swbell.net]
Sent: Friday, October 24, 2003 8:46 AM
To: 'Paul Chen'; ccielab@groupstudy.com
Subject: RE: cat 3550 - layer 3 etherchannel, vtp
Essentially, you have the two switches configured with a point-to-point L3
link. VTP won't operate over this as it's L3, not L2. Imagine having two
switches, each connected to separate ethernet interfaces on a common router
(assumming the router isn't bridging, etc). They won't share VTP info
either...... Same situation.
HTH,
Mike W.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Paul
Chen
Sent: Friday, October 24, 2003 12:45 AM
To: ccielab@groupstudy.com
Subject: cat 3550 - layer 3 etherchannel, vtp
Hi,
I have 2 cat 3550 switches connected via a layer 3 etherchannel. Cat 1 is a
vtp server and Cat 2 is a vtp client.
Q1. Changes in Cat 1's vlan configs does not propagate to Cat 2 ( Vtp
client ) for layer 3 etherchannel ?
It works for layer 2 etherchannel though. I am running 12.1(14)
Any help appreciated.
Cat 1:
interface Port-channel1
no switchport
ip address 140.4.21.1 255.255.255.252
interface FastEthernet0/23
no switchport
no ip address
channel-group 1 mode desirable
!
interface FastEthernet0/24
no switchport
no ip address
channel-group 1 mode desirable
Cat 2:
interface Port-channel1
no switchport
ip address 140.4.21.2 255.255.255.252
interface FastEthernet0/23
no switchport
no ip address
channel-group 1 mode desirable
!
interface FastEthernet0/24
no switchport
no ip address
channel-group 1 mode desirable
Thanks,
Paul
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