Users Guide

Field Description
TOS Displays the Type of Service (TOS) options. Option 0 is the only option.
Metric Displays the LSA metric.
Forward Address Identifies the address of the forwarding router. Data traffic is forwarded to this
router. If the forwarding address is 0.0.0.0, data traffic is forwarded to the
originating router.
External Route
Tag
Displays the 32-bit field attached to each external route. The OSPF protocol does
not use this field, but you can use the field for external route management.
Example
DellEMC# show ip ospf 1 database external
OSPF Router with ID (20.20.20.5) (Process ID 1)
Type-5 AS External
LS age: 612
Options: (No TOS-capability, No DC, E)
LS type: Type-5 AS External
Link State ID: 12.12.12.2
Advertising Router: 20.31.3.1
LS Seq Number: 0x80000007
Checksum: 0x4cde
Length: 36
Network Mask: /32
Metrics Type: 2
TOS: 0
Metrics: 25
Forward Address: 0.0.0.0
External Route Tag: 43
LS age: 1868
Options: (No TOS-capability, DC)
LS type: Type-5 AS External
Link State ID: 24.216.12.0
Advertising Router: 20.20.20.8
LS Seq Number: 0x80000005
Checksum: 0xa00e
Length: 36
Network Mask: /24
Metrics Type: 2
TOS: 0
Metrics: 1
Forward Address: 0.0.0.0
External Route Tag: 701
DellEMC#
Related
Commands
● show ip ospf database — display OSPF database information.
show ip ospf database network
Display the network (type 2) LSA information.
Syntax
show ip ospf [process-id] database network [link-state-id] [adv-router ip-
address]
Parameters
process-id Enter the OSPF Process ID to show a specific process. If no Process ID is entered,
command applies only to the first OSPF process.
link-state-id (OPTIONAL) Specify LSA ID in dotted decimal format. The LSA ID value depends
on the LSA type, and it can be one of the following:
Open Shortest Path First (OSPFv2 and OSPFv3) 1151