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Configuring node protection – H3C Technologies H3C S7500E Series Switches User Manual

Page 121

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To do…

Use the command...

Remarks

Enter system view

system-view

––

Enter interface view of the bypass

tunnel

interface tunnel tunnel-number

––

Specify the destination address of

the bypass tunnel

destination ip-address

Required

z

For node protection, this is 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.

Configure the bandwidth and type

of LSP that the bypass tunnel can

protect

mpls te backup bandwidth

{ bandwidth | { bc0 | bc1 }

{ bandwidth | un-limited } }

Required

Bandwidth is not protected by

default.

Submit current tunnel

configuration

mpls te commit

Required

Exit to system view

quit

––

Enter interface view of the

outgoing interface of the protected

LSP

interface

interface-type

interface-number

––

Bind the bypass tunnel with the

protected interface

mpls te fast-reroute

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.

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.

Follow these steps to configure node protection:

To do…

Use the command...

Remarks

Enter system view

system-view

––