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Spanning Tree Admin Edge Port

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I want to point out that Ruckus/Brocade has 2 commands that contradict each other when configuring Spanning Tree:

Spanning-tree admin-edge-port 'BPDU Protect' feature will protect your ports i.e. Against rogue switches. 'Admin Edge' feature will save you 3 seconds when bringing a port online 'BPDU filter' is not recommended, because you might filter some BPDUs which you might need for detecting loops. Spanning-tree admin-edge-port 'BPDU Protect' feature will protect your ports i.e. Against rogue switches. 'Admin Edge' feature will save you 3 seconds when bringing a port online 'BPDU filter' is not recommended, because you might filter some BPDUs which you might need for detecting loops. Okay, so with Brocade, you apply spanning tree to the VLAN. Then, on the ports you have in that VLAN, you ap ply. Spanning-tree 802-1w admin-edge-port to the port to make it 'portfast'.

Brocade(config-vlan-1)#spanning-tree ?

 802-1w Enable Rapid Spanning Tree IEEE 802.1w

 rstp Enable Rapid Spanning Tree

Future kno the meaning download mp3. Since RSTP is the same as 802.1w further clarification is needed.

Brocade(config-vlan-1)#spanning-tree rstp is a Brocade early implementation of the IEEE 802.1W which provided only a subset of the standard, whereas the

Brocade(config-vlan-1)#spanning-tree 802-1w feature provides the full standard, so basically you should use 802.1w.

How to configure Spanning Tree on Brocade

Ran mainly on a per VLAN basis.

Brocade# conf t

Brocade (config)#vlan 1

Brocade (config-vlan-1)# spanning-tree 802-1w – enabled spanning tree basic mode

Brocade (config-vlan-1)# show 802-1w – shows spanning tree information

Brocade (config-vlan-1)# spanning-tree 802-1w priority 0 – to designate that switch Root bridge

If you know there is a point to point link between 2 rapid spanning tree devices you have to turn that on at the interface level

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Point-to-Point/Uplinks

Brocade (config-vlan-1)#int e 1/1/1

Brocade (config-if-e10000-1/1/1)# spanning-tree 802-1w admin-p2pt-mac – don’t allow for a broadcast domain, assume there is a link between 2 rapid spanning tree root bridges/uplinks ( without this it will fail over in 2 seconds or less, but fail back takes the traditional 30 of listening and learning, but this allows it to fail forward and back in 2 seconds or lessCisco Spanning Tree Portfast Edge

Access/Edge-Ports

Brocade (config-if-e10000-1/1/1)# int e 1/1/3 to 1/1/24

Brocade (config-if-e10000-1/1/3-1/1/24)# spanning-tree 802-1w admin-edge-port (not really required, just means topology changes on the edge is not going to cause re-convergence on the core links or vice versaSpanning Tree Admin Edge Port Allegany

Brocade (config-if-e10000-1/1/3-1/1/24)# show run – will see spanning tree on the VLAN and the int ports

***DO NOT USE VLAN1 IN PRODUCTION, THIS IS PURELY FOR DEMONSTRATION PURPOSES***

 

 

 

 

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