Dell C1048P Port Extender Networking Command-Line Reference Guide for the C900 - Page 1340

Command Modes • EXEC • EXEC Privilege Command History This guide is platform-specific. For command information about other platforms, refer to the relevant Dell Networking OS Command Line Reference Guide. The following is a list of the Dell Networking OS version history for this command. Version 9.9(0.0) 9.2(1.0) 8.3.19.0 8.3.11.1 8.4.2.1 8.3.7.0 7.6.1.0 7.5.1.0 6.4.1.0 Description Introduced on the C9010. Introduced on the Z9500. Introduced on the S4820T. Introduced on the Z9000. Support for the optional keyword guard was added on the C-Series, S-Series, and E-Series TeraScale. Introduced on the S4810. Introduced on the S-Series. Introduced on the C-Series. Expanded to display the port error disable state (EDS) loopback BPDU inconsistency causes. Usage Information Enable the multiple spanning tree protocol prior to using this command. Example Dell#show spanning-tree msti 10 MSTI 10 VLANs mapped 101-105 Bridge Identifier has priority 32768, Address 0001.e802.3506 Configured hello time 2, max age 20, forward delay 15, max hops 5 Current root has priority 16384, Address 0001.e800.0a5c Number of topology changes 0, last change occurred 3058087 Port 82 (TenGigabitEthernet 2/0) is designated Forwarding Port path cost 0, Port priority 128, Port Identifier 128.82 Designated root has priority 16384, address 0001.e800.0a:5c Designated bridge has priority 32768, address 0001.e802.35:06 Designated port id is 128.82, designated path cost Number of transitions to forwarding state 1 BPDU (Mrecords): sent 1109, received 0 The port is not in the portfast mode Port 88 (TenGigabitEthernet 2/6) is root Forwarding Port path cost 0, Port priority 128, Port Identifier 128.88 Designated root has priority 16384, address 0001.e800.0a:5c Designated bridge has priority 16384, address 0001.e800.0a:5c Designated port id is 128.88, designated path cost Number of transitions to forwarding state 4 BPDU (Mrecords): sent 19, received 1103 The port is not in the portfast mode 1340 Multiple Spanning Tree Protocol (MSTP)