Unlike the BPDU Guard which will disable a port upon receipt of a BPDU, the Spanning Tree Root Guard feature will allow BPDU’s through a port to maintain the spanning tree topology, however if it receives a superior BPDU, which indicates that another switch is trying to become the root bridge it will err-disable the [...]
WCCP or PBR – Cisco 3750 Switch Configuration
Working on a solution today I needed to change the path of some traffic from a specific subnet. Policy Based Routing would be the way to achieve this? Requirements to run PBR on Cisco 3750 You must have the IP services image installed on the stack master. You must enable the routing template by using [...]
Switchport Host –
Working through one if the INE workbooks today I discovered a switch command I had never come across before switchport host Normally I would enable spanning-tree portfast on all access ports to ensure they come up quicker, and also set them to access ports. This command does 3 things! Configures the switchport for access mode [...]
VTP password and other wierdness
I was working through INE’s Vol 3 workbook tonight and thought I would do VTP. This should have been a very simple topic to master – there are not too many commands and it is a very simple technology. Although as many of you will know to be treated with care as it can destroy [...]
