I have run into this problem before on 2600XM devices running the C2600-ADVENTERPRISEK9-M IOS. I've run into this on a couple of occasions configuring the 2600XM devices. The way I worked around it was to install a standard IOS image. This gave correct speeds with 2 AT&T installs that I have done.
I would be very interested in how you solved this problem on your install. Please post and let's compare notes.
[toc:faq]The ProblemOn traditional switches whenever we have a trunk
interface we use the VLAN tag to demultiplex the VLANs. The switch needs
to determine which MAC Address table to look in for a forwarding
decision. To do this we require the switch to do...
[toc:faq]Introduction:Netdr is a tool available on a RSP720, Sup720 or
Sup32 that allows one to capture packets on the RP or SP inband. The
netdr command can be used to capture both Tx and Rx packets in the
software switching path. This is not a substitut...
IntroductionOSPF, being a link-state protocol, allows for every router
in the network to know of every link and OSPF speaker in the entire
network. From this picture each router independently runs the Shortest
Path First (SPF) algorithm to determine the b...