Cisco MGX 8950 Specifications Page 192

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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 3 Provisioning PXM1E Communication Links
General PXM1E Configuration Procedures
The default ILMI prefix matches the PNNI node prefix and the SPVC prefix, both of which are described
in the Cisco PNNI Network Planning Guide for MGX and SES Products. If you change the PNNI node
prefix, the SPVC prefix and the ILMI prefix remain unchanged. If you change the SPVC prefix, the ILMI
prefix will change with it, as long as no ILMI prefix is assigned directly to the port. To eliminate the
possibility of having a future SPVC prefix change affect dynamic addressing on a port, assign one or
more ILMI prefixes to the port.
The following procedure describes how to enable or disable dynamic addressing and how to assign an
ILMI address prefix to a port.
Note The Cisco MGX switches support up to 255 ILMI prefixes per PXM1E card, and these prefixes can be
assigned to one port or distributed among the ports.
Step 1 Establish a configuration session using a user name with GROUP1 privileges or higher.
Step 2 To display the dynamic addressing status of a port, use the dsppnport command. For example:
mgx8830a.1.PXM.a > dsppnport 1:2.3:1
Port: 1:2.3:1 Logical ID: 16845569
IF status: up Admin Status: up
UCSM: enable SVC Routing Pri: 8
Auto-config: enable Addrs-reg: enable
IF-side: network IF-type: nni
UniType: private Version: pnni10
PassAlongCapab: n/a
Input filter: 0 Output filter: 0
minSvccVpi: 0 maxSvccVpi: 4095
minSvccVci: 35 maxSvccVci: 65535
minSvpcVpi: 1 maxSvpcVpi: 4095
(P=Configured Persistent Pep, NP=Non-Persistent Pep, Act=Active)
#Spvc-P: #Spvc-NP: #SpvcAct: #Spvp-P: #Spvp-NP: #SpvpAct:
p2p : 0 0 0 0 0 0
p2mp: 0 0 0 0 0 0
#Svcc: #Svpc: #Ctrl: Total:
p2p : 1 0 0 1
p2mp: 0 0 0 0
Total: 1
The Addr-reg field shows whether the dynamic addressing feature is enabled or disabled.
Step 3 To view the ILMI prefixes assigned to a port, enter the dspprfx command as follows:
mgx8830a.1.PXM.a > dspprfx <portid>
Replace portid with the port address using the format slot:bay.line:ifnum. These parameters are
described in Table 3-11. For example:
mgx8830a.1.PXM.a > dspprfx 1:2.3:1
INFO: No Prefix registered
In the example above, no ILMI prefixes have been assigned to the port, so the port will use the prefix
configured for the SPVC prefix.
Step 4 If you want to change the dynamic addressing configuration, bring down the port to be configured with
the dnpnport command. For example:
mgx8830a.1.PXM.a > dnpnport 1:2.3:1
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