Cisco ASR 9000 Series Configuration Guidelines

The configuration steps listed in the following sections show all of the configurable parameters. However, in
general, most of these can be retained with the default value.
Note
SUMMARY STEPS
1. configure
2. spanning-tree mst protocol instance identifier
3. bringup delay for interval { minutes | seconds }
4. flush containment disable
5. name name
6. revision revision -number
7. forward-delay seconds
8. maximum { age seconds | hops hops }
9. transmit hold-count count
10. provider-bridge
11. instance id
12. priority priority
13. vlan-id vlan-range [,vlan-range ][,vlan-range ] [,vlan-range ]
14. interface { Bundle-Ether | GigabitEthernet | TenGigE | FastEthernet } instance
15. instance id port-priority priority
16. instance id cost cost
17. external-cost cost
18. link-type { point-to-point | multipoint }
19. hello-time seconds
20. portfast [ bpdu-guard ]
21. guard root
22. guard topology-change
23. Use the commit or end command.
DETAILED STEPS
Step 1 configure
Example:
RP/0/RSP0/CPU0:router# configure
Enters the Global Configuration mode.
Step 2 spanning-tree mst protocol instance identifier
Example:
RP/0/RSP0/CPU0:router(config)# spanning-tree mst a
RP/0/RSP0/CPU0:router(config-mstp)#
L2VPN and Ethernet Services Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release 6.3.x
427
Implementing Multiple Spanning Tree Protocol
Configuring MSTP parameters

Cisco ASR 9000 Series Specifications

General

Series	ASR 9000
Category	Network Router
Modular Design	Yes
Redundancy	Yes (Hardware and Software)
Operating System	Cisco IOS XR
Interfaces/Ports	10G, 40G, 100G, 400G Ethernet
Expansion Slots	Varies by model
Routing Protocol	BGP, OSPF, IS-IS, EIGRP
Management	CLI, SNMP, NETCONF
Power Supply	Redundant
Port Density	Varies by model
Power Supply Options	AC, DC
Memory	Varies by model
Storage	Varies by model
Dimensions	Varies by model
Weight	Varies by model