3com 2500 User Guide

Displaying the Link State Database 13-19

Use this command to summarize all network LSAs in the link state 
database.

To display network link state summary information:

1 From the top level of the Administration Console, enter:

2 Enter the ID of the OSPF area.

3 Enter the area mask.

4 Enter the LSID.

5 Enter the LSID mask.

This example shows link state database network summary information:

Table 13-7 shows the fields for the link state database network summary.

system
ethernet
fddi
atm
bridge

➧

ip
ipx
appletalk
snmp
analyzer
script
logout

interface
route
arp
multicast
udphelper
routing
icmpRouterDiscovery

➧

ospf
rip
ping
statistics

areas
defaultRouteMetric
interface

➧

linkStateData
neighbors
routerID
partition
stubDefaultMetric
virtualLinks
statistics

databaseSummary
router
network

➧

summary
external

OSPF summary links

  LSID (Type 3)    Router ID         LS Seq    LS Age  Network Mask     Metric
  193.202.111.0    193.202.111.254*  80001648  20      255.255.255.0    1

  LSID (Type 3)    Router ID         LS Seq    LS Age  Network Mask     Metric
  193.202.111.128  193.202.111.254*  80001136  20      255.255.255.128  11

Table 13-7   Field Attributes for Link State Database Network Summary Display

LSID

■

Type 3

 = IP network number

■

Type 4

 = Router ID of ASBR’s OSPF 

Router ID

Originating router ID

LS Seq

Hexadecimal sequence number of the LSA (used to detect older 
LSAs)

LS Age

Time in seconds since LSA was originated

Network Mask

■

Type 3

 = IP address mask of destination network

■

Type 4

 = Not used; must be

 0

Metric

Cost to reach the network