Juniper EX9200 Features Manual page 114

Spanning-Tree Protocols Feature Guide for EX9200 Switches
Meaning
Purpose
Action
98
The operational mode command
domain information such as the designated port and the port roles.
The operational mode command
domain information at either the bridge level or the interface level. If the optional interface
name is omitted, all interfaces in the spanning-tree domain are displayed.
Verifying MSTP Configuration on Switch 2
Verify the MSTP configuration on Switch 2.
Issue the operational mode commands show spanning-tree interface and show
spanning-tree bridge:
user@switch2> show spanning-tree interface
Spanning tree interface parameters for instance 0
Interface Port ID
ge-0/0/14 128:513
ge-0/0/18 128:519
Spanning tree interface parameters for instance 1
Interface Port ID
ge-0/0/14 128:513
ge-0/0/18 128:519
Spanning tree interface parameters for instance 2
Interface Port ID
ge-0/0/14 128:513
ge-0/0/18 128:519
user@switch2> show spanning-tree bridge
STP bridge parameters
Context ID
Enabled protocol
STP bridge parameters for CIST
Root ID
Root cost
Root port
CIST regional root
CIST internal root cost
Hello time
Maximum age
Forward delay
Hop count
Message age
Number of topology changes
Time since last topology change
show spanning-tree interface
show spanning-tree bridge
Designated Designated
port ID bridge ID
128:513 32768.0019e2503d20
128:515 8192.0019e25051e0
Designated Designated
port ID bridge ID
128:513 32769.0019e2503d20
128:515 4097.0019e25051e0
Designated Designated
port ID bridge ID
128:513 4098.0019e2503d20
128:519 4098.0019e2503d20
: 0
: MSTP
: 8192.00:19:e2:50:51:e0
: 1000
: ge-0/0/18
: 8192.00:19:e2:50:51:e0
: 1000
: 2 seconds
: 20 seconds
: 15 seconds
: 19
: 0
: 1
: 782 seconds
displays spanning-tree
displays the spanning-tree
Port State
Cost
1000 FWD DESG
1000 FWD ROOT
Port State
Cost
1000 FWD DESG
1000 FWD ROOT
Port State
Cost
1000 FWD DESG
1000 FWD DESG
Copyright © 2017, Juniper Networks, Inc.
Role
Role
Role