3Com S7906E Configuration Manual page 1680

Follow these steps to configure IGP shortcut:
To do...
Enter system view
Enter MPLS TE tunnel interface
view
Configure the IGP to take the
MPLS TE tunnels in up state
into account when performing
enhanced SPF calculation
Assign a metric to the MPLS TE
tunnel
Submit current tunnel
configuration
Exit to system view
Enter OSPF view
Enable the IGP shortcut
function
2) Configure forwarding adjacency
You need to create a bi-directional MPLS TE tunnel and enable forwarding adjacency at both ends of
the tunnel to make forwarding adjacency take effect.
Follow these steps to configure forwarding adjacency:
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 OSPF view
Use the command...
system-view
interface tunnel
tunnel-number
mpls te igp shortcut [ isis |
ospf ]
mpls te igp metric { absolute |
relative } value
mpls te commit
quit
ospf [ process-id ]
enable traffic-adjustment
Use the command...
system-view
interface tunnel
tunnel-number
mpls te igp advertise
[ hold-time value ]
mpls te igp metric { absolute |
relative } value
mpls te commit
quit
ospf [ process-id ]
1-31
Remarks
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Required
MPLS TE tunnels are not
considered in the enhanced
SPF calculation of IGP.
If no IGP type is specified, the
configuration applies to both
OSPF and ISIS by default.
Optional
The metrics of TE tunnels equal
the metrics of their
corresponding IGP routes by
default.
Required
––
––
Required
Disabled by default
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
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––