Brocade Multi-Service IronWare Multiprotocol Label Switch (MPLS) Configuration Guide (Supporting R05.6.00) - Manual (Page 187)

Multi-Service IronWare Multiprotocol Label Switch (MPLS) Configuration Guide 163
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Configuring MPLS Fast Reroute using one-to-one backup
1
Brocade(config-mpls-lsp-frr_tunnel)# frr
Brocade(config-mpls-lsp-frr_tunnel-frr)# exclude-any gold silver
Syntax: [no] exclude-any groups
In this example, the device excludes any of the interfaces that are members of groups “gold” or
“silver” when calculating detour routes for this LSP. Only interfaces that are not part of either group
can be considered for the detour routes.
To specify that an interface must be a member of both the “gold” or “silver” administrative groups
in order to be included in the detour routes for LSP frr_tunnel.
Brocade(config-mpls-lsp-frr_tunnel)# frr
Brocade(config-mpls-lsp-frr_tunnel-frr)# include-all gold silver
Syntax: [no] include-all groups
In this example, an interface must be a member of all the groups specified in the include-all
command to be considered in a detour route for the LSP. Any interface that is not a member of all
the groups is eliminated from consideration.
Protecting MPLS LSPs through a bypass LSP
Implementing a bypass LSP to back up one or more MPLS LSPs requires the following tasks:
• The LSPs that the user intends to have the protection of a bypass LSP must be enabled for Fast
Reroute and then must be specified as needing facility backup. (The user does not need to
create the LSP before the bypass LSP is created because the bypass LSP identifies the LSPs to
protect by interface IDs, not by LSP names.)
• An LSP is configured to be a bypass LSP with enough bandwidth for all the LSPs that it
protects.
• The interfaces that get the protection of a bypass LSP are identified to that particular LSP.
Protected LSPs can be identified by individual interfaces, ranges of interfaces, interface
groups, or a LAG.
NOTE
The name of the bypass LSP must be unique among all bypass LSPs and all protected LSPs.
The sections that follow describe the items unique to the bypass LSP feature. The common LSP
parameters are described elsewhere throughout this chapter.
Specifying an LSP to request facility backup
LSP xmr3-199 is configured for Fast Reroute and then configured to request facility backup.
Brocade(config-mpls)# lsp xmr3-199
Brocade(config-mpls-xmr3-199)# frr
Brocade(config-mpls-xmr3-199-frr)# facility-backup
Syntax: [no] facility-backup name