Before You Begin
The following prerequisites are required to configure an IETF mode differentiated services traffic engineering
tunnel using the MAM bandwidth constraint model:
•
You must have a router ID for the neighboring router.
•
Stable router ID is required at either end of the link to ensure that the link is successful. If you do not
assign a router ID to the routers, the system defaults to the global router ID. Default router IDs are subject
to change, which can result in an unstable link.
SUMMARY STEPS
1.
configure
2.
rsvp interface type interface-path-id
3.
bandwidth mam {total reservable bandwidth | max-reservable-bw maximum-reservable-bw} [bc0
reservable bandwidth] [bc1 reservable bandwidth]
4.
exit
5.
exit
6.
mpls traffic-eng
7.
ds-te mode ietf
8.
ds-te bc-model mam
9.
exit
10.
interface tunnel-te tunnel-id
11.
signalled-bandwidth {bandwidth [class-type ct] | sub-pool bandwidth}
12.
Use the commit or end command.
DETAILED STEPS
PurposeCommand or Action
Enters global configuration mode.configure
Example:
RP/0/RP0/CPU0:router# configure
Step 1
Enters RSVP configuration mode and selects the RSVP
interface.
rsvp interface type interface-path-id
Example:
RP/0/RP0/CPU0:router(config)# rsvp interface
Step 2
pos0/6/0/0
Sets the reserved RSVP bandwidth available on this
interface.
bandwidth mam {total reservable bandwidth |
max-reservable-bw maximum-reservable-bw} [bc0
reservable bandwidth] [bc1 reservable bandwidth]
Step 3
Physical interface bandwidth is not used by
MPLS-TE.
Note
Cisco IOS XR MPLS Configuration Guide for the Cisco CRS Router, Release 5.1.x
236
Implementing MPLS Traffic Engineering
Configuring an IETF DS-TE Tunnel Using MAM
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