Beta Draft Confidential
OSPF Name Aggregation
Monitoring Network OSPF Name Activity
ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000 1/19/05G-7
Monitoring Network OSPF Name Activity
You can use switch console commands to view and count the number of prefixes and
addresses on individual ports, cards, and switches. (You can also use Navis
EMS-CBGX to view this information, but the process is more difficult.) See the
Console Command User’s Reference for CBX 3500, CBX 500, GX 550, and
B-STDX 9000 for more information about console commands.
Viewing OSPF Names at the Network Level
Use the show ospf statistics command to view the total number of OSPF
names in the network. The following text is a sample excerpt from the output for this
console command.
The following highlighted fields represent:
• name-LSAs — The total number of names in the OSPF database from the local
OSPF area.
• name-summary LSAs — The total number of name summaries received from
other OSPF areas. The sum of these two numbers must be lower than the limits
recommended in the switch SRN. If the number exceeds the limits, you should
examine all of the switches in the network to try to use additional OSPF name
aggregation to reduce the size of the OSPF name database.
show ospf statistics
Switch IP address:
Secondary address:
150.201.250.1
0. 0.0. 0
# switches
# Dijkstra runs:
Max LSA size:
# LSAs:
#router-LSAs:
# AS-external-LSAs:
# opaque-LSAs:
# name-summary LSAs:
8
24603
156
1019
8
21
0
0
# reachable switches:
# Trunks:
Stub links:
Database checksum:
# network-LSAs:
# name-LSAs:
8
46 (0)
8 (9)
0x20ee60b
0
948
# local names: 929 # network names: 948
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