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

area-range

Syntax
Hierarchy Level
Release Information
Description
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Copyright © 2010, Juniper Networks, Inc.
area-range network/mask-length <exact> <override-metric metric> <restrict>;
[edit logical-systems logical-system-name protocols (ospf | ospf3) area area-id],
[edit logical-systems logical-system-name protocols (ospf | ospf3) area area-id nssa],
[edit logical-systems logical-system-name realm (ipv4-unicast | ipv4-multicast |
ipv6-multicast) area area-id],
[edit logical-systems logical-system-name routing-instances routing-instance-name protocols
(ospf | ospf3) area area-id],
[edit logical-systems logical-system-name routing-instances routing-instance-name protocols
(ospf | ospf3) area area-id nssa],
[edit logical-systems logical-system-name routing-instances routing-instance-name realm
(ipv4-unicast | ipv4-multicast | ipv6-multicast) area area-id],
[edit protocols (ospf | ospf3) area area-id],
[edit protocols (ospf | ospf3) area area-id nssa],
[edit protocols ospf3 realm (ipv4-unicast | ipv4-multicast | ipv6-multicast) area area-id],
[edit routing-instances routing-instance-name protocols (ospf | ospf3) area area-id],
[edit routing-instances routing-instance-name protocols (ospf | ospf3) area area-id nssa],
[edit routing-instances routing-instance-name realm (ipv4-unicast | ipv4-multicast |
ipv6-multicast) area area-id]
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 statement introduced in Junos OS Release 9.2 for EX Series
realm
switches.
(Area border routers only) For an area, summarize a range of IP addresses when sending
summary link advertisements (within an area). To summarize multiple ranges, include
multiple statements.
area-range
For a not-so-stubby area (NSSA), summarize a range of IP addresses when sending
NSSA link-state advertisements. The specified prefixes are used to aggregate external
routes learned within the area when the routes are advertised to other areas. To specify
multiple prefixes, include multiple
within the area that do not fall into one of the prefixes are advertised individually to other
areas.
By default, area border routers do not summarize routes being sent from one area to
other areas, but rather send all routes explicitly.
—(Optional) Summarization of a route is advertised only when an exact match is
exact
made with the configured summary range.
—Number of significant bits in the network mask.
mask-length
—IP address. You can specify one or more IP addresses.
network
—(Optional) Override the metric for the IP address range and
override-metric metric
configure a specific metric value.
Chapter 79: Configuration Statements for Layer 3 Protocols
statements. All external routes learned
area-range
1953