Ars Technica

Cisco trunk port won't pass VLAN traffic

I set a port on a switch to trunking, but it won't pass data. Here's the scenario. See if you can help me out.<BR><BR>We have two switches and two VLANs. Actually, we have over a hundred switches and ...
Ars Technica

Need Help to solve configuring Port Channel trunk between Cisco 3750 and Nortel 8600

I configured 3 ports as a trunk between Cisco 3750 and Nortel 8600. Enable Lacp on Nortel side.<BR><BR>The interface status in 8600 is UP UP but in the Cisco 3750 the Line protocol is down (not ...
Network World

Cisco virtual switching technology vs. Nortel split multi link trunking

Phil Edholm, Nortel enterprise CTO has posted his take on Cisco’s upgrade last month to the Cisco Catalyst 6500 that improves the product’s ability to support real-time enterprise communication and ...
Network World

Tagging the native VLAN

In Cisco LAN switch environments, the native VLAN is typically untagged on 802.1Q trunk ports. This can lead to a security vulnerability in your network environment. It is a best practice to ...