Deployment Guide

Field Description
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:
● the network’s IP address for Type 3 LSAs or Type 5 LSAs
● the router’s OSPF router ID for Type 1 LSAs or Type 4 LSAs
● the default destination (0.0.0.0) for Type 5 LSAs
adv-router ip-
address
(OPTIONAL) Enter the keywords adv-router and the ip-address to display only
the LSA information about that router.
Open Shortest Path First (OSPFv2 and OSPFv3) 1075