Configuring Traffic Forwarding Tuning Parameters; Configuration Prerequisites; Configuration Procedure - 3Com MSR 50 Series Configuration Manual

Configuring Traffic
Forwarding Tuning
Parameters
Configuration
Prerequisites

Configuration Procedure

To do...
Enter system view
Enter MPLS TE tunnel
interface view
Enable IGP to advertise the
route of the MPLS TE tunnel
to IGP neighbors.
Assign a metric to the MPLS
TE tunnel
Submit current tunnel
configuration
Exit to system view
Enter IS-IS view
Enter OSPF view
Enable forwarding adjacency
In MPLS TE, you may configure traffic forwarding tuning parameters such as the
failed link timer and flooding thresholds to change paths that IP or MPLS traffic
flows traverse or to define type of traffic that may travel down a TE tunnel.
The configurations described in this section are used in conjunction with CSPF and
the dynamic signaling protocol CR-LDP or RSVP-TE.
Configuring traffic forwarding tuning parameters involves these tasks:
"Configuring the failed link timer" on page 1377
■
"Configuring flooding thresholds" on page 1378
■
"Configuring the link metric used for routing a tunnel" on page 1378
■
"Configuring the traffic flow type of a tunnel" on page 1379
■
Configuring the failed link timer
A CSPF failed link timer starts once a link goes down. If IGP removes or modifies
the link before the timer expires, CSPF will update information about the link in
TEDB and stops the timer. If IGP does not remove or modify the link before the
timer expires, the state of the link in TEDB will change to up.
Follow these steps to configure failed link timer:
To do...
Enter system view
Enter MPLS view

Configuring Traffic Forwarding Tuning Parameters

Use command to...
system-view
interface tunnel
tunnel-number
mpls te igp advertise
[ hold-time value ]
mpls te igp metric
{ absolute | relative } value
mpls te commit
quit
isis [ process-id ]
ospf [ process-id ]
enable traffic-adjustment
advertise
Use command to...
system-view
mpls
1377
Remarks
--
--
Required
Routes of MPLS TE tunnels are
not advertised to IGP
neighbors by default.
Optional
The metrics of TE tunnels
equal the metrics of their
corresponding IGP routes by
default.
Required
--
--
Required
Disabled by default
Remarks
--
--