03-09-2006 06:10 AM - edited 03-03-2019 02:11 AM
Hi,
Bit of advice if possible.
I've got a project to implement VLAN's on a MAN, which is easy enough, using CAT4506 and a mixture of 3750 and 2950 switches. The Vlan aspect is OK but I'm a bit unsure as to how to integrate the WAN into the design.
I have two core WAN access sites each with 2 * cat4506 switches of which one at each site attach to a WAN router (3725)
The CAT4506 switches will be doing the vlan routing but the 3725 routers (one at each site in a HSRP group) will be routing the WAN. Obviously these need to be attached to the catalysts for WAN access. As I have seperate routers for vlan routing and wan routing, what is the best way to configure this ?????
Is configuring a seperate VLAN for the routers the best idea ? or is it best to use the sub interface option on the router ethernet ports ?
Do I just use a static route of last resort on the Catalyst pointing to the routers ?
Help :-)
03-09-2006 06:56 AM
When you arte still in the design-phase, I want to strongly discourage you from designing a network with vlans that span multiple sites.
You will always run int STP issues in one way or another. The following link will give some sensible information on this subject:
I hope that it will point you to the right (or at leats an optimal) solution for your specific design.
Regards,
Leo
03-10-2006 03:47 AM
Yes true, the vlans are only buildings wide not MAN wide. The main problem is the integration of the routers and layer 3 switches.
Thanksfor the help though.
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