XG Series User's Guide
Chapter 5 Command Reference
Bridge Counter, Log, Statistics, and Status Display and Clear Operation
Commands
481
8)
Root port
The interface name of the root port is displayed.
If this device operates as the root bridge, the root port (Item (8)) and root path
cost (Item (9)) are not displayed. Only the following message is displayed.
This bridge is the root
9)
Root path cost
The path cost to the root bridge is displayed.
10)
Interface name and port status
One of the following is displayed for the port status.
Disabled
: The STP is disabled.
Discarding
: The port is in the discarding state (it is displayed only when
RSTP or MSTP is active).
Blocking
: The port is in the blocking state.
Listening
: The port is in the listening state.
Learning
: The port is in the learning state.
Forwarding
: The port is in the forwarding state.
11)
STP version of port
One of the following is displayed for the STP version.
- (OFF)
: STP unused port
0 (STP)
: 802.1d STP
2 (RSTP)
: 802.1w RSTP
3 (MSTP)
: 802.1s MSTP
12)
Port path cost
The path cost of the relevant port is displayed.
13)
Port priority
The priority of the relevant port is displayed.
14)
Port ID
The port ID (the port priority and port number) is displayed.
15)
Port role
One of the following is displayed for the port role.
Disabled
: The STP is disabled.
Root
: Root port
Designated : Designated port
Blocking
: Blocking port
Alternate
: Alternate port (It is displayed only when RSTP or MSTP is active.)
Backup
: Backup port (It is displayed only when RSTP or MSTP is active.)
16)
Priority of root bridge
The priority of the root bridge is displayed.
17)
MAC address of root bridge
The MAC address of the root bridge is displayed.
18)
Designated bridge priority
The priority of the designated bridge is displayed.
19)
MAC address of designated bridge
The MAC address of the designated bridge is displayed.
20)
Designated port ID
The designated port ID (the port priority and port number) is displayed.