Beta Draft Confidential
Configuring ATM Over MPLS Gateway Solution on CBX 3500
Network-wide MPLS Settings
ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000 1/19/059-7
Network-wide MPLS Settings
There are several network-wide, optional settings that you can define prior to
beginning the CBX 3500 application-specific configuration:
• MPLS Affinities — “Configuring MPLS Affinities” on page 9-7
• MPLS Tunnel Hop Lists — “Configuring MPLS Tunnel Hop Lists” on page 9-8
• IntServ and Diffserv — “Configuring IntServ and DiffServ Profiles” on page 9-10
Configuring MPLS Affinities
MPLS Affinities provide a means in an MPLS network to restrict the interfaces which
an LSP is permitted to use. Each interface is assigned a resource class attribute, which
takes the form of a 32-bit bitmap. Each bit represents a property of the interface, the
exact semantics of each property represented being a local policy decision. Each LSP
can be assigned a resource affinity or a set of rules governing the interfaces, which the
LSP may use.
MPLS Affinities are selected for RSVP-TE when creating a PSN tunnel. Affinity
mappings are maintained network-wide. The name of the affinity is mapped to the
value in Navis EMS-CBGX.
To configure MPLS Affinities:
1. In the Network object tree, expand the instance node for the network you wish to
configure.
2. Right-click on the MPLS Affinities class node and select Add. The Add Affinity
dialog box appears (Figure 9-29).
Figure 9-3. Add Affinity Dialog Box
3. Enter a unique alpha-numeric name for the MPLS affinity.
4. Enter a value between 1 and 2147483647.
5. When you complete the configuration, choose OK to save the changes and close
the dialog box.
For more information on using MPLS affinities in your configuration, see “RSVP-TE
Attributes” on page 9-48.
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