Foundry Switch and Router Installation and Configuration Guide
17 - 48
December 2000
USING THE WEB MANAGEMENT INTERFACE
You cannot display the OSPF route table using the Web management interface.
Displaying OSPF External Link State Information
To display external link state information for the router, use one of the following methods.
USING THE CLI
To display external link state information, enter the following command at any CLI level:
BigIron> show ip ospf database external-link-state
Ospf ext link-state by router ID 130.130.130.241 are in the following:
Area ID Aging LS ID Router Seq(hex) Chksum Type
0.0.0.0 279 130.132.75.48 130.130.130.241 80000004 00000ace EXTR
0.0.0.0 278 130.132.88.112 130.130.130.241 80000004 0000f793 EXTR
0.0.0.0 279 130.132.81.208 130.130.130.241 80000004 000081b0 EXTR
0.0.0.0 284 130.132.46.224 130.130.130.241 80000004 000063e1 EXTR
0.0.0.0 285 130.132.40.64 140.140.140.243 80000004 0000ebff EXTR
0.0.0.0 286 130.132.33.160 150.150.150.245 80000004 0000751d EXTR
0.0.0.0 296 130.131.241.16 150.150.150.245 80000004 00002e25 EXTR
Syntax:
show ip ospf database external-link-state [advertise <num>] | [link-state-id <ip-addr>] |
[router-id <ip-addr>] | [sequence-number <num(Hex)>] | [status <num>]
The
advertise
<num> parameter displays the hexadecimal data in the specified LSA packet. The <num>
parameter identifies the LSA packet by its position in the router’s External LSA table. To determine an LSA
packet’s position in the table, enter the
show ip ospf external-link-state
command to display the table. See
“Displaying the Data in an LSA” on page 17-49 for an example.
The
link-state-id
<ip-addr> parameter displays the External LSAs for the LSA source specified by <IP-addr>.
The
router-id
<ip-addr> parameter shows the External LSAs for the specified OSPF router.
The
sequence-number
<num(Hex)> parameter displays the External LSA entries for the specified hexadecimal
LSA sequence number.
This display shows the following information.
Table 17.5: CLI Display of OSPF External Link State Information
This Field...
Displays...
Area ID
The OSPF area the router is in.
Aging
The age of the LSA, in seconds.
LS ID
The ID of the link-state advertisement from which the Layer 3 Switch
learned this route.
Router
The router IP address.
Seq(hex)
The sequence number of the LSA. The OSPF neighbor that sent the
LSA stamps it with a sequence number to enable the Layer 3 Switch
and other OSPF routers to determine which LSA for a given route is
the most recent.
Chksum
A checksum for the LSA packet. The checksum is based on all the
fields in the packet except the age field. The Layer 3 Switch uses the
checksum to verify that the packet is not corrupted.
Type
The route type, which is always EXTR (external).
Summary of Contents for Switch and Router
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