Cisco NME-16ES-1G User Guide - Page 233
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16- and 36-Port Ethernet Switch Module for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series show spanning-tree Examples The following is sample output from the show spanning-tree summary command: Switch# show spanning-tree summary UplinkFast is disabled Name Blocking Listening Learning Forwarding STP Active VLAN1 23 0 0 1 24 1 VLAN 23 0 0 1 24 The following is sample output from the show spanning-tree brief command: Switch# show spanning-tree brief VLAN1 Spanning tree enabled protocol IEEE ROOT ID Priority 32768 Address 0030.7172.66c4 Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec VLAN1 Spanning tree enabled protocol IEEE ROOT ID Priority 32768 Address 0030.7172.66c4 Port Designated Name Port ID Prio Cost Sts Cost Bridge ID Port ID Fa0/11 128.17 128 100 BLK 38 0404.0400.0001 128.17 Fa0/12 128.18 128 100 BLK 38 0404.0400.0001 128.18 Fa0/13 128.19 128 100 BLK 38 0404.0400.0001 128.19 Fa0/14 128.20 128 100 BLK 38 0404.0400.0001 128.20 Fa0/15 128.21 128 100 BLK 38 0404.0400.0001 128.21 Fa0/16 128.22 128 100 BLK 38 0404.0400.0001 128.22 Fa0/17 128.23 128 100 BLK 38 0404.0400.0001 128.23 Fa0/18 128.24 128 100 BLK 38 0404.0400.0001 128.24 Fa0/19 128.25 128 100 BLK 38 0404.0400.0001 128.25 Fa0/20 128.26 128 100 BLK 38 0404.0400.0001 128.26 Fa0/21 128.27 128 100 BLK 38 0404.0400.0001 128.27 Port Name Port ID Prio Cost Sts Fa0/22 128.28 128 100 BLK Fa0/23 128.29 128 100 BLK Fa0/24 128.30 128 100 BLK sec Forward Delay 15 sec Designated Cost Bridge ID Port ID 38 0404.0400.0001 128.28 38 0404.0400.0001 128.29 38 0404.0400.0001 128.30 Hello Time 2 sec Max Age 20 The following is sample output from the show spanning-tree vlan 1 command: Switch# show spanning-tree vlan 1 Spanning tree 1 is executing the IEEE compatible Spanning Tree protocol Bridge Identifier has priority 32768, address 00e0.1eb2.ddc0 Configured hello time 2, max age 20, forward delay 15 Current root has priority 32768, address 0010.0b3f.ac80 Root port is 5, cost of root path is 10 Topology change flag not set, detected flag not set, changes 1 Times: hold 1, topology change 35, notification 2 hello 2, max age 20, forward delay 15 Timers: hello 0, topology change 0, notification 0 Interface Fa0/1 in Spanning tree 1 is down Port path cost 100, Port priority 128 Designated root has priority 32768, address 0010.0b3f.ac80 Cisco IOS Release 12.2(2)XT, 12.2(8)T, and 12.2(15)ZJ 233