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Cisco MGX 8850 Routing Switch Command Reference
Release 2.0, Part Number 78-10467-04 Rev C0, October 2001
Chapter7 SPVC and SVC Commands Identifying Physical and Logical Elements
Identifying Physical and Logical Elements
The Private Network-to-Network Interface (PNNI) control protocol and the ser v ice m o du l es u s e
different formats to identify the s ame entity. For example, the format of a logical por t th at y ou enter on
an AXSM is different from the format you would enter on the PXM45. This section describes these
formats in the PNNI and AXSM contexts and how the y corre spo nd to each othe r. The parallel actions of
configuring or displaying logi cal el ements on different cards is broa dl y ill u s tr ate d in t h e Ci sco
MGX 8850 Routing Switch Software Configuration Guide, Release 2.0.
Apart from the way PNNI and th e l ower l evels of logic identify the same ele ment, the sequence of
commands also needs explanatio n. When you configure logical ports—for just one example—you must
complete certain tasks on the AXSM CLI before or after relate d PNNI tasks. For certain command s, this
manual lists prerequisite commands or tasks. For mor e details on the sequence of tasks, refer to the Cisco
MGX 8850 Routing Switch Softwa r e Co nf igu r ati on Gui de, Release 2.0, for more detai ls o f t his seq ue nce.
AXSM Format
On a service module, you identify the foll ow w he n you provision the ca pa bilities of the card:
•Slot
•Bay
•Line
•Logical port
•Port group
•Resource partition
Table7-2 Maximum Connections by Connection Type and Front Card
Front Card SVC SPVC
AXSM-1-2488 128 K 64 K
AXSM-4-622 128 K 6 4 K
AXSM-16-155 128 K 64 K
AXSM-16-T3E3 128 K 64 K
Table7-3 Maximum Connections on Back Cards and Lines
Card Type Back Card Maximum Physical Line Maximum
OC-48c 128 K 64 K
OC-12c 64 K 32 K
OC-3c 64 K 32 K
T3 64 K 64 K
E3 64 K 64 K