ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000 G-1
Beta Draft Confidential
G
OSPF Name Aggregation
This appendix provides guidelines for using Open Shortest Path First (OSPF) name
aggregation. Using OSPF name aggregation minimizes memory consumption when
you provision prefixes and addresses for Frame Relay SVC or ATM SVC/SPVC
connections across Lucent network switches.
This appendix contains:
• “About OSPF Name Aggregation” on page G-1
• “Using OSPF Name Aggregation” on page G-2
• “Network Hierarchical Addressing Plans” on page G-5
• “Monitoring Network OSPF Name Activity” on page G-7
About OSPF Name Aggregation
Using OSPF name aggregation enables you to use node and port prefixes to represent
many port addresses at remote switches. For example, if a particular switch has 100
port addresses that start with the same number, you can provision that number as a
node or port prefix. This prefix, instead of 100 addresses, is then advertised to the
remote switch.
OSPF Names
An OSPF name represents any type of node prefix, port prefix, port address, port user
part, or network ID. The OSPF function names each prefix or address that you
provision and shares the entry throughout the network to ensure that wherever the
SVC call enters the network, the intended route to the called party will be found.
The OSPF treats all prefixes and addresses the same, regardless of address format (for
example, E.164, X.121, DCC, ICD). The OSPF also treats ILMI registered addresses
and provisioned addresses the same.
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