We have two Cat6509 switches as the core in a network distributing L2 VLANs accross Trunk uplinks to non-Cisco edge switches. The trunks have 802.1q and pass extended VLANs. We are seeing a problem with two new VLANs that we created, they appear to b...

We will be upgrading our ISP link from a DS3 to an OC3 link. We will be keeping our existing IP addresses and AS number. The new interface already has the same configuration as the exsisting and is currently shutdown. Once I shutdown the DS3 link and...

This is my first use of the forum I have two 1721 routers with a T1 between. I would like to connect them to a Cat6509 and forward a VLAN over to the remote end. Is this possible with a 1721? There is a dhcp pool on the 6509 that would/should assign...