Brocade Multi-Service IronWare Multiprotocol Label Switch (MPLS) Configuration Guide (Supporting R05.6.00) - Manual (Page 185)

Multi-Service IronWare Multiprotocol Label Switch (MPLS) Configuration Guide 161
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Configuring MPLS Fast Reroute using one-to-one backup
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Configuring MPLS Fast Reroute using one-to-one backup
To configure MPLS Fast Reroute by using the one-to-one backup method for a defined LSP named
frr_tunnel, use the ffr command as in the following example.
Brocade(config)# router mpls
Brocade(config-mpls)# lsp frr_tunnel
Brocade(config-mpls-lsp-frr_tunnel)# to 10.1.1.1
Brocade(config-mpls-lsp-frr_tunnel)# primary-path direct_path
Brocade(config-mpls-lsp-frr_tunnel)# secondary-path alt_path
Brocade(config-mpls-lsp-frr_tunnel)# frr
Brocade(config-mpls-lsp-frr_tunnel-frr)# bandwidth 100
Brocade(config-mpls-lsp-frr_tunnel-frr)# hop-limit 20
Brocade(config-mpls-lsp-frr_tunnel-frr)#
Syntax: [no] frr
This command enables MPLS Fast Reroute using the one-to-one backup on the LSP under whose
configuration it is enabled. Options for this command are described in the sections that follow.
MPLS Fast Reroute using one-to-one backup configuration options
The following options can be set for a MPLS Fast Reroute using one-to-one backup configuration:
• Bandwidth
• Exclude any
• Hop limit
• Include all
• Include any
• Priority
Configuring bandwidth for a MPLS Fast Reroute
To define a bandwidth constraint for the Fast Reroute path, use the following command.
Brocade(config-mpls-lsp-frr_tunnel)# frr
Brocade(config-mpls-lsp-frr_tunnel-frr)# bandwidth 100
Syntax: [no] bandwidth rate
The rate variable specifies the bandwidth in Kilobits/sec for the bypass route.
Acceptable value can be between zero and two Gigabits/sec.
A value of zero means that the detour route uses a best-effort value for bandwidth.
The default value is zero.
Configuring a hop limit for a MPLS Fast Reroute
By default, a detour route can consist of no more than 255 hops. the user can optionally change
this maximum to a lower number.
For example, to limit any detour route in the LSP named frr_tunnel to no more than 20 hops.