3com S7906E Installationsanweisungen
1-36
Follow these steps to configure a bypass tunnel on its PLR:
To do…
Use the command...
Remarks
Enter system view
system-view
––
Enter interface view of the
bypass tunnel
bypass tunnel
interface tunnel
tunnel-number
tunnel-number
––
Specify the destination address
of the bypass tunnel
of the bypass tunnel
destination ip-address
Required
z
For node protection, this is
the LSR ID of the next hop
router of PLR.
the LSR ID of the next hop
router of PLR.
z
For link protection, this is the
LSR ID of the next hop
device of PLR.
LSR ID of the next hop
device of PLR.
Configure the bandwidth and
type of LSP that the bypass
tunnel can protect
type of LSP that the bypass
tunnel can protect
mpls te backup bandwidth
{ bandwidth | { bc0 | bc1 }
{ bandwidth | un-limited } }
{ bandwidth | { bc0 | bc1 }
{ bandwidth | un-limited } }
Required
Bandwidth is not protected by
default.
Bandwidth is not protected by
default.
Submit current tunnel
configuration
configuration
mpls te commit
Required
Exit to system view
quit
––
Enter interface view of the
outgoing interface of the
protected LSP
outgoing interface of the
protected LSP
interface
interface-type
interface-number
––
Bind the bypass tunnel with the
protected interface
protected interface
mpls te fast-reroute
bypass-tunnel tunnel
tunnel-number
bypass-tunnel tunnel
tunnel-number
Required
Bypass tunnels do not protect bandwidth by default. This can defeat your attempts to binding a primary
LSP to a bypass tunnel. Therefore, when configuring a bypass tunnel, you must configure the
bandwidth that it is intended to protect with the mpls te backup bandwidth command.
LSP to a bypass tunnel. Therefore, when configuring a bypass tunnel, you must configure the
bandwidth that it is intended to protect with the mpls te backup bandwidth command.
Configuring node protection
To use FRR for node protection, you need to perform the tasks in this section on the PLR and the
protected node. If you only need to protect links, skip this section.
protected node. If you only need to protect links, skip this section.
Follow these steps to configure node protection:
To do…
Use the command...
Remarks
Enter system view
system-view
––
Enter MPLS view
mpls
––
Enable RSVP hello extension
on current node
on current node
mpls rsvp-te hello
Required
Disabled by default
Disabled by default
Exit to system view
quit
––