Deploying the Dell PowerConnect 8100 with the Cisco Catalyst
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Figure 7.
Recommended Spanning Tree method: Portfast
Dell PowerConnect 8100 CLI
No changes are required to the Dell PowerConnect 8100 for using this method.
Cisco Catalyst CLI
Run the commands below to enable portfast on all interfaces that are connected to the Dell
PowerConnect 8100s.
cat6504E_1#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
cat6504E_1(config)#interface tengigabitethernet 2/5
cat6504E_1(config-if)#spanning-tree portfast network
Review the bridge priority configurations on each switch to make sure the root bridge of the spanning
tree is properly placed. Adjust the root bridge priorities higher or lower to place the root bridge within
the Cisco environment.
For Dell, use the command
console(config)#spanning-tree priority xxxxx
On the Cisco Catalyst the commands that can be used are
. cat6504E_1(config)#spanning-tree vlan 1 priority xxxxx .
. or .
cat6504E_1(config)#spanning-tree vlan xx root primary