Area - Juniper JUNOS OS 10.4 - FOR EX REV 1 Manual

Complete Software Guide for Junos

area

Syntax
Hierarchy Level
Release Information
Description
Options
Required Privilege
Level
Related
Documentation
1952
®
OS for EX Series Ethernet Switches, Release 10.4
area area-id;
[edit logical-systems logical-system-name protocols (ospf | ospf3)],
[edit logical-systems logical-system-name protocols ospf3 realm (ipv4-unicast |
ipv4-multicast | ipv6-multicast)],
[edit logical-systems logical-system-name routing-instances routing-instance-name protocols
(ospf | ospf3)],
[edit logical-systems logical-system-name routing-instances routing-instance-name protocols
ospf3 realm (ipv4-unicast | ipv4-multicast | ipv6-multicast)],
[edit protocols (ospf | ospf3)],
[edit protocols ospf3 realm (ipv4-unicast | ipv4-multicast | ipv6-multicast)],
[edit routing-instances routing-instance-name protocols (ospf | ospf3)],
[edit routing-instances routing-instance-name protocols ospf3 realm (ipv4-unicast |
ipv4-multicast | ipv6-multicast)]
Statement introduced before Junos OS Release 7.4.
Statement introduced in Junos OS Release 9.0 for EX Series switches.
Support for the statement introduced in Junos OS Release 9.2.
realm
Support for the realm statement introduced in Junos OS Release 9.2 for EX Series
switches.
Specify the area identifier for this routing device to use when participating in OSPF routing.
All routing devices in an area must use the same area identifier to establish adjacencies.
Specify multiple area statements to configure the routing device as an area border router.
An area border router does not automatically summarize routes between areas; use the
statement to configure route summarization. By definition, an area border
area-range
router must be connected to the backbone area either through a physical link or through
a virtual link. To create a virtual link, include the
To specify that the routing device is directly connected to the OSPF and OSPFv3
backbone, include the
area 0.0.0.0
All routing devices on the backbone must be contiguous. If they are not, use the
statement to create the appearance of connectivity to the backbone.
—Area identifier. The identifier can be up to 32 bits. It is common to specify the
area-id
area number as a simple integer or an IP address. Area number
for the OSPF and OSPFv3 backbone area.
routing—To view this statement in the configuration.
routing-control—To add this statement to the configuration.
virtual-link on page 2234
Configuring OSPF Areas
Configuring Multiple Address Families for OSPFv3
statement.
virtual-link
statement.
Copyright © 2010, Juniper Networks, Inc.
virtual-link
0.0.0.0 is reserved