WS-C2948G-GE-TX <--Etherchannel--> 3560G-24TS

Unanswered Question
Sep 23rd, 2008

Hi All,

Someone please clarify if we can etherchannel between WS-C2948G-GE-TX (cat OS) and 3560G-24TS (IOS). It sounds like 'YES' but just want to get openion from gurus..:-)

Thank you in advance


I have this problem too.
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glen.grant Tue, 09/23/2008 - 06:48

Yes you can etherchannel between the two .


set port channel slot/port desirable non-silent


on the interface

channel-group X mode desirable non-silent

mvsheik123 Fri, 10/03/2008 - 20:25


Thank you for your reply and apologies for the delay in getting back. So I used the link

and current config...(using 2/1 & 2/2 for port-channel)

set port channel 2/1-2 10

set trunk 2/1 nonegotiate dot1q

set trunk 2/2 nonegotiate dot1q

(by default it allows all Vlans).

The port 2/1 & 2/2 were initially set for Vlan771 than 1(that we created). I have not made any connections to other switch, but the o/p:

sh trunk:

Test-2948-S1> (enable) sh trunk

No ports trunking.

TEST-2948-S1> (enable) sh port channel

Port Status Channel Mode admin Group

----- ---------- -------------------- ----- --

2/1 notconnect on 10 417

2/2 notconnect on 10 417

Sh port 2/1

Port Name Status Vlan Duplex Speed

----- ------------------ ---------- ----------

2/1 Test notconnect 771 auto auto

Same with 2/2 also (not showing Trunking)

Do I need to move the ports 2/1 & 2/2 to Vla1 before enable trunking..? or the Trunk pops up when I connect the other switch ports?

Thank you


Edison Ortiz Fri, 10/03/2008 - 21:09

The trunk will form once the ports become up/up after being connected to another switch.




mvsheik123 Sat, 10/04/2008 - 10:52

So the Switch ports (2/1 & 2/2) currently showing being members of VLA771 at this time does not matter. Thank you for the reply Edison. Will post how it goes.

Thank you


Edison Ortiz Sat, 10/04/2008 - 17:23

When the switch isn't connected and it's configured as trunked, it will list being a member of its native Vlan.





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