Configuring Route Pinning; Configuring Administrative Group And Affinity Attribute - HP HSR6800 Configuration Manual

Step
3. Specify the tie breaker that a
tunnel uses to select a path
when multiple paths with the
same metric are present on
the current node.
4. Enter MPLS TE tunnel
interface view.
5. Specify the tie breaker for
the current tunnel to select a
path when multiple paths
with the same metric are
present.
6. Submit current tunnel
configuration.

Configuring route pinning

Route pinning cannot be used together with reoptimization or automatic bandwidth adjustment.
To configure route pinning:
Step
1. Enter system view.
2. Enter MPLS TE tunnel
interface view.
3. Enable route pinning.
4. Submit current tunnel
configuration.

Configuring administrative group and affinity attribute

The affinity attribute of an MPLS TE tunnel identifies the properties of the links that the tunnel can
use. Together with the link administrative group, it decides which links the MPLS TE tunnel can use.
This is done by ANDing the 32-bit affinity attribute with the 32-bit link administrative group attribute.
When doing that, a 32-bit mask is used. The affinity bits corresponding to the 1s in the mask are "do
care" bits which must be considered while those corresponding to the 0s in the mask are "don't care"
bits.
For a link to be used by a TE tunnel, at least one considered affinity bit and its corresponding
administrative group bit must be set to 1.
Suppose the affinity of an MPLS TE tunnel is 0xFFFFFFFF and the mask is 0x0000FFFF. For a link
to be used by the tunnel, the leftmost 16 bits of its administrative group attribute can be 0s or 1s, but
at least one of the rest bits must be 1.
The affinity of an MPLS TE tunnel is configured at the first node on the tunnel and then signaled to
the rest nodes through CR-LDP or RSVP-TE.
Command
mpls te tie-breaking { least-fill |
most-fill | random }
interface tunnel tunnel-number
mpls te tie-breaking { least-fill |
most-fill | random }
mpls te commit
Command
system-view
interface tunnel tunnel-number
mpls te route-pinning
mpls te commit
64
Remarks
Optional.
The random keyword applies by
default.
A tunnel prefers the tie breaker
specified in the tunnel interface
view. If no tie breaker is specified
in tunnel interface view, the tunnel
uses the tie breaker specified in
MPLS view to select a path.
Optional.
By default, no tie breaker is
specified for a specific tunnel and
the tunnel uses the tie breaker
specified in MPLS view.
The IETF DS-TE mode supports
only random path selection.
N/A
Remarks
N/A
N/A
Disabled by default.
N/A.