Ospf Abr-Type - Allied Telesis AT-AR3050S Command Reference Manual

OSPF C
OMMANDS
-
OSPF ABR TYPE

ospf abr-type

Overview Use this command to set an OSPF Area Border Router (ABR) type.
Use the no variant of this command to revert the ABR type to the default setting
(Cisco).
Syntax ospf abr-type {cisco|ibm|standard}
no ospf abr-type {cisco|ibm|standard}
ABR type Cisco
Default
Mode Router Configuration
Usage Specifying the ABR type allows better interoperation between different
implementations. This command is specially useful in a multi-vendor environment.
The different ABR types are:
•
•
•
awplus#
Example
awplus(config)#
awplus(config-router)#
C613-50077-01 REV A
Parameter Description
cisco
Specifies an alternative ABR using Cisco implementation (RFC 3509).
This is the default ABR type.
ibm
Specifies an alternative ABR using IBM implementation (RFC 3509).
standard
Specifies a standard behavior ABR (RFC 2328).
Cisco ABR Type: By this definition, a router is considered an ABR if it has more
than one area actively attached and one of them is the backbone area.
IBM ABR Type: By this definition, a router is considered an ABR if it has more
than one area actively attached and the backbone area is configured. In this
case the configured backbone need not be actively connected.
Standard ABR Type: By this definition, a router is considered an ABR if it has
more than one area actively attached to it.
configure terminal
router ospf 100
Command Reference for AT-AR3050S
AlliedWare Plus™ Operating System - Version 5.4.5-2.x
ospf abr-type ibm
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