And again ... did I say i hate outlook ? Well, I do :-)
follow this link:
http://www.cisco.com/cgi-bin/Support/PSP/index.pl?i=Technologies
go to LAN and then there are links for Trunking ISL and Trunking 802.1Q
Cheers,
Chris
-----Original Message-----
From: Christian Reichert [mailto:c.reichert@resolution.de]
Sent: 29 March 2001 12:59
To: Christian Reichert; eric chan
Cc: cisco-nsp@puck.nether.net
Subject: RE: [nsp] fastethernet channel problem
Hi!
Sorry guys, the last two urls were broken ... bloody outlook.
This should work now ...
Trunking dot1q
http://www.cisco.com/cgi-bin/Support/PSP/psp_view.pl?p=Internetworking:VLANs
_and_Trunking:802.1Q
Trunking ISL
http://www.cisco.com/cgi-bin/Support/PSP/psp_view.pl?p=Internetworking:VLANs
_and_Trunking:ISL
-----Original Message-----
From: Christian Reichert [mailto:c.reichert@resolution.de]
Sent: 29 March 2001 12:54
To: eric chan
Cc: cisco-nsp@puck.nether.net
Subject: RE: [nsp] fastethernet channel problem
Hi !
Without posting the config it's quite hard to diagnose ...
Here are a couple of documents describing EtherChannel and trunking very
well. Read through it and if it still doesn't work afterwrads, post the two
configs.
(P.S. ISL doesn't have something like a native VLAN - everything is tagged
with ISL. native VLAN is only known in dot1q).
http://www.cisco.com/warp/customer/793/lan_switching/6.html
-->(http://www.cisco.com/warp/customer/793/lan_switching/6.html)
-->(http://www.cisco.com/warp/customer/793/lan_switching/6.html#trunk)
Trunking dot1q
http://www.cisco.com/cgi-bin/Support/PSP/psp_view.pl?p=Internetworking:VLANs
_and_Trunking:802.1Q
Trunking ISL
http://www.cisco.com/cgi-bin/Support/PSP/psp_view.pl?p=Internetworking:VLANs
_and_Trunking:ISL
Cheers,
Chris
-----Original Message-----
From: eric chan [mailto:bigeric123@hotmail.com]
Sent: 29 March 2001 11:25
To: cisco-nsp@puck.nether.net
Subject: [nsp] fastethernet channel problem
dear all,
i would like to establish a fastethernet channel between an cat6509
and cat5500, however, it failed to establish. i know that for
fastethernet channel, all setting of the ports should be the same and i
have checked it too.
all four ports are trunk port with isl, with same allowed vlan and native
vlan.
i have set port channel desirable on both switch, but the channel failed to
establish. is there any hint on this ?
before i setup the channel, there is only one difference between the two
links, by Spanning tree, one of the trunk link is all forwarding, and the
second link is all blocking
thanks
eric
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