Vlan on sigtar.com

When Is A Trunk Not A Trunk?

Fri, 01 Feb 2013 00:00:00 +1300

Very good article here - http://networkingnerd.net/2011/02/02/when-is-a-trunk-not-a-trunk/

Particuly like setting of Native vLAN and tagged networks over an HP trunk;

So, if HP refers to an uplink carrying multiple VLANs are a tagged port, then does HP have a “trunk”? In fact they do. In HPvania, a trunk is a logical construct that aggregates multiple ports into one logical link. For those of you that might be out there scratching your heads about this one, this means that when you “trunk” a group of ports on an HP switch, you are creating one LACP link from up to four individual ports. This kind of configuration should look like this:

HP ProCurve 5400zl Switch Series - How to Enable Jumbo Frames?

Mon, 02 May 2011 00:00:00 +1200

I couldn’t find how to do this via the web GUI (hate the new 5400 web console - what happened to the performance graphs??) – anyhow this is the commands to do it via commandline…

5406zl-A# show vlan 200 Status and Counters - VLAN Information - Ports - VLAN 200 VLAN ID : 200 Name : VLAN200 Status : Port-based Voice : No Jumbo : No

5406zl-A# configure 5406zl-A(config)# vlan 200 jumbo 5406zl-A(config)# end 5406zl-A# sho vlan 200

Router on a stick - Adding VLANs to a cisco router

Tue, 24 Mar 2009 00:00:00 +1300

Telnet to your cisco router, enable then go into config t. Passwords may be required depending on how it has been configured…

config t

Ensure that ip routing has been enabled…

ip routing

To create the VLAN adapter you’ll need to run the following commands to create a “router on a stick”… Note: the .2 after the interface name creates a virtual adapter on the interface.

interface FastEthernet1/1.2 description “VM Host Network” encapsulation dot1Q 2 ip address 172.25.2.1 255.255.255.0