Multiple etherswitch modules on a router will work iff stacking is proper . There is a "switchport stacking-partner <> " CLI . Use that and make sure stacking is UP .
Gaurav Madan CCIE On Fri, Sep 3, 2010 at 6:08 AM, Syed Zaidi <[email protected]> wrote: > Hi, > > I have a quick question. > When we use multiple etherswitch modules on a single router, are the ports > for these modules treated as two different switches or part of the same > switch? for ex: ports 1/0 to 1/15 and then ports 2/0 to 2/15, a total of 32 > ports! > And, if we configure trunking on, lets say 2/13 & 2/14 but have for ex: > vlans 40 & 50 configured as access ports on 1/4, 1/5, will the STP process > forward vlans on ports 2/13 or 2/14? > The reason I am asking this question is... I am working on GNS3 lab where I > have two routers hosting two etherswitch modules each and have trunks > configured on the ports mentioned earlier. I can ping two hosts connected on > the same vlan on the same router with two etherswitch modules but when I > ping two hosts on the same vlan but on different routers with etherswitch > modules connected over a dot1q trunk, I cant get the ping working. > Waiting for valuable inputs. > Regards, > Syed > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
