3com 2500 User Guide

C

HAPTER

 13: A

DMINISTERING

 OSPF R

OUTING

To display network link state external 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 external information:

Table 13-8 shows the attributes for the link state database external 
display.

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 external links

  LSID             Router ID        LS Seq    LS Age  Network Mask
  9.0.0.0          158.101.142.1*   80000004  295     255.0.0.0
    Fwd Address      Metric  Type  RouteTag
    158.101.142.1    4       1     0

  LSID             Router ID        LS Seq    LS Age  Network Mask
  89.0.0.0         158.101.142.1*   80000004  295     255.0.0.0
    Fwd Address      Metric  Type  RouteTag
    158.101.142.1    4       1     0

Table 13-8   Field Attributes for the Link State Database External Display

LSID

IP network number.

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 originated.

Network Mask

IP address mask for the advertised destination.

Fwd Address

Forwarding address for data traffic to the advertised destination.

Metric

Cost to reach advertised destination.

Type

■

Type 1

 = normal link state metric.

■

Type 2

 = metric is larger than any local link state path.

RouteTag

Not used by OSPF. These 32 bits may be used to communicate 
other information between boundary routers. Application 
systems usually define their own route tags.