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ATM Switch Router Software Configuration Guide
OL-7396-01
Chapter 11 Configuring ATM Routing and PNNI
Advanced PNNI Configuration
Example
The following example shows the detailed PNNI link selection configuration using the show atm pnni
neighbor EXEC command:
Switch# show atm pnni neighbor
Neighbors For Node (Index 1, Level 56)
Neighbor Name: XXXXXX, Node number: 9
Neighbor Node Id: 56:160:47.00918100000000E04FACB401.00E04FACB401.00
Neighboring Peer State: Full
Link Selection For CBR : minimize blocking of future calls
Link Selection For VBR-RT : minimize blocking of future calls
Link Selection For VBR-NRT: minimize blocking of future calls
Link Selection For ABR : balance load
Link Selection For UBR : balance load
Port Remote Port Id Hello state
ATM4/0/0 ATM3/1/1 2way_in (Flood Port)
Switch#
Configuring the Maximum Administrative Weight Percentage
The maximum administrative weight percentage feature, a generalized form of a hop count limit, allows
you to prevent the use of alternate routes that consume too many network resources. The maximum
acceptable administrative weight is equal to the specified percentage of the least administrative weight
of any route to the destination (from the background routing tables).
To configure the maximum AW percentage, perform these steps, beginning in global configuration
mode:
Note The max-admin-weight-percentage command only takes effect if background route computation is
enabled. See Configuring Background Route Computation, page 11-29.
Example
The following example shows how to configure the node maximum AW percentage value as 300:
Switch(config)# atm router pnni
Switch(config-atm-router)# max-admin-weight-percentage 300
Command Purpose
Step 1
Switch(config)# atm router pnni
Switch(config-atm-router)#
Enters ATM router PNNI mode.
Step 2
Switch(config-atm-router)#
max-admin-weight-percentage percent
Configures the maximum AW percentage. The
value can range from 100 to 2000.