Cisco MGX 8950 Specifications download pdf (Page 309)

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Cisco MGX 8850 (PXM1E/PXM45), Cisco MGX 8950, Cisco MGX 8830, and Cisco MGX 8880 Configuration Guide

Release 5.0.10, OL-3845-01 Rev. B0, August 16, 2004

Chapter 8 Managing PNNI Nodes and PNNI Routing

Managing PNNI Routes

To see a list of all preferred routes and obtain the required route index for the cnfpref command, enter

the dspprefs command. To see details about individual preferred route, use the dsppref <routeId>

command, and replace <routeId> with the preferred route identifier.

Note Preferred routes that were configured on switches running Release 3 will be lost when you upgrade the

switch to Release 4. Once you have upgraded the switch to Release 4, you need to re-configure your

preferred routes.

Deleting a Preferred Route

Enter the delpref <routeId> command to delete a preferred route description.Before you delete a

preferred route, you must ensure that no SPVCs/SPVPs have that preferred route currently associated

with them. Enter the dspcons -rteid <routeId> command to verify that there are no SPVCs/SPVPs

associated with the preferred route you want to delete. Replace <routeId> with the route identifier for

the preferred route you want to display.

To disassociated any SPVCs/SPVPs from the preferred route, enter the cnfcon command as follows:

8850_LA.7.PXM.a > cnfcon <ifNum> <vpi> <vci> <serviceType> <mastership> -rtngprio

<routingPriority> -prefrte 0

Table 8-7 describes the parameters you need to configure with the addcon command. Note that you must

set the -prefrte parameter to 0 to disassociate a connection with a preferred route.

-dstNEpos This integer identifies the position of the destination node in the NE

sequence. For instance, an NE of 4 indicates that the fourth NE represents

the destination node.

Range: 1–20

Default: none

-ne1 through -ne20 Including the local node, you can specify up to 20 NEs in the preferred

route.

Each NE is defined by a pairing of a node and a port. The format of these

paired elements must conform to the entry for neSyntax. Separate the

values in the pairing by a slash and no spaces, but put a space between

the keyword and NE, as follows:

-ne(n) node/port

The NE you specify as the destination node must be the highest numbered

keyword, otherwise the switch rejects the command.The port identifier at

the destination node must be set to 0. Note that the value 0 actually

determines the last NE in the route. This 0 appears in the outputs of the

display commands for preferred routes.For example, if a route has 9 NEs,

the format would be:

-ne9 node/0

Table 8-8 Parameters for cnfpref Command (continued)

1 ... 308 309 310 ... 642

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