Cisco Router IOS XR Getting Started Manual page 50

Configuring the External Cisco Catalyst 6509 Switches
19.
20.
21.
22.
DETAILED STEPS
Command or Action
Step 1
configure
Example:
router# configure
Step 2
spanning-tree portfast default
Example:
router(config)# spanning-tree portfast default
Step 3
spanning-tree mode mst
Example:
router(config)# spanning-tree mode mst
Step 4
spanning-tree mst configuration
Example:
router(config)# spanning-tree mst configuration
Step 5
name mst_region
Example:
router(config-mst)# name STP_1
Step 6
revision number
Example:
router(config-mst)# revision 1
Step 7
instance instance_id vlan range
Example:
router(config-mst)# instance 1 vlan 1
Step 8
end
Example:
router(config-mst)# end
Step 9
spanning-tree mst hello-time seconds
Example:
router(config)# spanning-tree mst hello-time 1
Cisco IOS XR Getting Started Guide
3-12
switchport access vlan 1
end
Repeat Step 16 through Step 20 for all interfaces.
Repeat all steps for the second switch.
Chapter 3 Bringing Up the Cisco IOS XR Software on a Multishelf System
Purpose
Places the switch in global configuration mode.
Enables PortFast by default on all access ports.
Selects the MST mode for the Spanning Tree Protocol.
Places the router in spanning tree MST configuration
mode.
Defines a name for an MST region.
Sets a revision number for the MST configuration.
This number must be identical on both switches.
•
Maps the MST instance to a range of VLANs.
Exits spanning tree MST configuration mode.
Sets the hello-time delay timer for all instances on the
switch.
We recommend 1 second.
•
OL-10957-02