Articles tagged with vlan

1. How To Choose an Ethernet Switch for a Home Network Without Buying a Rack

   Posted on August 10, 2026 in Networking

   Choose a home-network Ethernet switch by sizing ports, power, uplinks, and management features for the devices you actually own instead of importing data-center hardware into a closet.

2. Disable Spanning-Tree Per VLAN

   Posted on August 03, 2012 in Networking

   If you need to disable spanning-tree on a particular VLAN in your Cisco-based network, use the following command:

   Switch(config)# no spanning-tree vlan 13
   

   This will disable spanning-tree on unlucky VLAN 13.

   If you have some good examples of why you might want to disable spanning-tree for a VLAN, please …

3. SNMP Community String Indexing

   Posted on October 11, 2007 in Networking

   Today I was browsing through the Cisco NetPro Forums and came across someone that needed to track down which switch port a <acronym title="Media Access Control">MAC</acronym> address had been dynamically learned on.

   I'd seen this sort of thing before in the Bridge MIB, so I assumed it …

4. Using ACLs to Block NetBIOS Traffic on Cisco Catalyst Switches

   Posted on May 13, 2007 in Networking

   In a Metro Ethernet network, the possibility exists for a lot of NetBIOS broadcasts if your users are connecting directly to the ring rather than through a firewall. My first assumption was that most users would have a firewall, but this is really only guaranteed in the case of business-class …