For more information, see “Bridge Priority for Election of Root Bridge and Designated
Bridge” on page 406.
4. (Optional) An MSTI can map to a range of VLANs just as a logical port can map to a
range of VLANs. The MSTP VLAN specifies the VLAN or VLAN range to which this
MSTI is mapped. The vlan-id is configured under the logical interface. Configure the
VLAN or VLAN range of the MSTI instance:
[edit]
user@host# set vlan (vlan-id | vlan-id-range)
5.
Verify the MST interface configuration.
[edit]
protocols {
mstp {
...basic-mstp-configuration...
msti msti-id { # Instance identifier 1 – 64.
bridge-priority priority;
vlan vlan-id; # Optional
interface interface-name {
cost cost;
edge;
priority interface-priority;
}
}
}
}
NOTE: All STP ports on a bridge domain must belong to the same MST
(multiple spanning tree) instance.
Related
Documentation
Layer 2 Control Protocol on ACX Series Routers on page 404•
• Configuring Multiple Spanning-Tree Protocol on page 413
• Configuring Rapid Spanning-Tree Protocol on page 411
• Disabling MSTP on page 417
• Configuring VLAN Spanning-Tree Protocol on page 417
• Tracing Spanning-Tree Operations on page 421
Copyright © 2017, Juniper Networks, Inc.416
ACX Series Universal Access Router Configuration Guide
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