Solved: Spanning Tree VLAN Priority Issue - Cisco Community
Aug 11, 2014 · Step 2. spanning-tree vlan vlan-idpriority priority. Configure the switch priority of a VLAN. • For vlan-id, you can specify a single VLAN identified by VLAN ID number, a range of VLANs separated by a hyphen, or a series of VLANs separated by a …
STP Priority Values - Cisco Community
Oct 6, 2007 · Bridge Identifier has priority 1, address cc06.1794.0000. Edit: That's Dynamips which runs CST, sorry about that. Test with real switches & PVST: Rack1SW1 (config)#spanning-tree vlan 1 priority 1. % Bridge Priority must be in increments of 4096. % Allowed values are: 0 4096 8192 12288 16384 20480 24576 28672.
how to set priority on vlan - Cisco Community
08-23-2007 07:06 AM. it depends on your model of switch that you want to set as root bridge for vlan 525, but in general it's on config mode (conf t) and something like this... switch (config)#spanning-tree vlan 525 priority (enter your priority here) for example if you want to make the priority 4096 then: switch (config)#spanning-tree vlan 525 ...
Solved: STP vlan priority and root primary - Cisco Community
Sep 15, 2015 · Keep in mind, whether using a priority value of 4096, or using "primary", another switch (or switches) could have the same priority value, so actual root will then depend on the rest of the MAC. 09-15-2015 06:53 AM. Disclaimer. The Author of this posting offers the information contained within this posting without consideration and with the ...
Is "spanning-tree vlan priority 0" valid? - Cisco Community
Oct 23, 2012 · It is indeed true if two switches are set to "priority 0" the root-bridge choice depends on the MAC address value. The one having the lowest will be chosen. Solved: 3560 command reference says valid priority values are 4096, 8192, ... however I tried "spanning-tree vlan priority 0" and the command was accepted.
Configuring Auto Voice VLAN Settings on a Switch through the CLI
Oct 5, 2018 · SG350X(config)#voice vlan dscp [dscp-value] Step 8. Press Y on your keyboard to continue. Configure Dynamic Auto Voice VLAN Settings. Manually re-configuring the voice VLAN ID, CoS/802.1p, and/or DSCP from their default values results in a static voice VLAN, which has higher priority than auto voice VLAN that was learned from external sources.
STPの概要および設定と確認方法 - Cisco Community
Jan 24, 2014 · Switch(config)#spanning-tree vlan vlan-number priority priority. priorityに指定できる値は0～61440の間の4096の倍数の値（ 0,4096,8192,12288,16384,20480,24576,28672等 ）です。 プライオリティが最小のスイッチがルートブリッジになるので全スイッチで最小の値となるように設定します。
Solved: Spanning-tree with port-priority - Cisco Community
Feb 15, 2012 · Current root has priority 4220, address c464.130f.4180. Root port is 28 (GigabitEthernet1/1/4), cost of root path is 4. Topology change flag not set, detected flag not set. Number of topology changes 22 last change occurred 09:58:48 ago. from StackPort1. Times: hold 1, topology change 35, notification 2.
Configuring spanning-tree VLAN priority. 2 core switches.
Mar 27, 2011 · Configuring spanning-tree VLAN priority. 2 core switches. 03-27-201112:03 PM - edited 03-06-201904:17 PM. Here's my set up: 2 3750 stacks trunked together with a port channel over 4 x 1gig links. Hanging off each 3750 stack is a pair of 2960s. Each 2960 is trunked to it's 3750 stack with a port channel over 2 x 1gig links.
Root Primary or setting switch priority to 0 - Cisco Community
May 8, 2022 · there are two method to force one SW to be elect as root. method 1 primary root. method 2 change priority. both method can not protect STP domain from elect the new add SW as root when it priority "0" and low MAC. so cisco recommend ROOT GUARD config this prevent any new add SW to be elect as root. View solution in original post.