Interconnection between 3550(EMI)and 4506,

[SAM ANANDARAJAH]

Hi,

I have a situation to connect a overlay network with 3550,to the existing 2meg links via 3640,and to core switch 4506.

I was hoping to connect the 2 gig ports to the 4506 and make them a trunk ports,and allowing the Vlan`s within that building. present all the users go via 4506(l3),what will be performance issue of connecting the 3550 as a trunk port and allowing the Vlans of that building ?

or is there any better way of connecting 2 core switches ? core switches will be 4506 ,but for the building Lan USERS will be 3550 as a core switch ?

any help please.

Regards

Sam

[owillins]

You could use isl/802.1q trunking over the ports on the core switches. Here's a document that describes the procedure.

http://www.cisco.com/warp/public/473/88.html

[SAM ANANDARAJAH]

Mnay thanks for your URL ,how do I find out how much bandwidth is used here ,I have etherchanneld 2 gig ports between 4506 and 3550..

when I do sh eth chann,do I expect it be 4gig ?

regards

Sam