Spanning-tree is implemented as per vlan spanning tree, for example every vlan has its own root bridge.
To identify the primary root, enter "show spanning-tree vlan x" and check the line beginning with "current root..." it will show you the MAC address of the root. Entering "show mac-address table" will show you the MAC and IP addresses.
To set the primary root in the current switch and for every vlan you will bind:
I agree with the answer provided by jhalldn. Just a note that if you do "show spantree " then by default the switch will only shows spanning tree ONLY for VLAN1. If I were you, find out exactly how many VLANs you have in your network, optionally find out which are the root bridge for each VLAN then ...
1. Designate a root bridge for the entire campus
2. Designate a secondary bridge for the entire campus
3. Setup a time for a major network outage and when the time comes ...
4. Setup primary root bridge to have a value of say 10 for ALL VLANS
5. Similarly setup secondary bridge to have value of say 20 for ALL VLANs
6. Make sure that at steps 4&5, you do NOT move on if you suspected there is an STP problem in your network.
Question We run asr9001 with XR 6.1.3, and we have a very long delay to
login w/ SSH 1 or 2 to the device compare to IOS device. After
investigation, the there is 1s delay between the client KEXDH_INIT and
the server (XR) KEXDH_REPLY. After debug ssh serv...
Introduction The purpose of this document is to demonstrate the Open
Shortest Path First (OSPF) behavior when the V-bit (Virtual-link bit) is
present in a non-backbone area. The V-bit is signaled in Type-1 LSA only
if the router is the endpoint of one or ...
Hi, I am seeing quite a few issues with patch install and wanted to
share my experience and workaround to this. Login to admin via CLI, then
access root with the “shell” command Issue “df –h” and you’ll probably
see the following directory full or nearly ...