DGS-6604 m area range (IPv6)
CLI Reference Guide
44
area range (IPv6)
To consolidate and summarize routes at an area boundary, use the area range
command. To disable this function, use the no form of this command.
area AREA-ID range IPv6-PREFIX/PREFIX-LENGTH [advertise | not-advertise]
no area AREA-ID range IPv6-PREFIX / PREFIX-LENGTH
Default Disabled
Command Mode Router configuration
Usage Guideline The area range command is used only with Area Border Routers. It is used to
consolidate or summarize routes for an area. The result is that a single summary
route is advertised to other areas by the ABR. Routing information is condensed
at area boundaries. External to the area, a single route is advertised for each
address range.
Examples The following example specifies one summary route to be advertised by the Area
Border Routers to other areas for IPv6 prefix 2001:0DB8:0:1::/64 and for the
Router ID 20.0.1.10.
Syntax Description
AREA-ID Identifier of the area for which routes are to be summarized. It can be specified
as either a decimal value or as an IPv4 prefix.
IPv6-PREFIX IPv6 prefix
PREFIX-LENGTH IPv6 prefix length
advertise (Optional) Advertise and generate a Type 3 Inter-Area Prefix link-state
advertisement (LSA) for the specified address range.
not- advertise (Optional) Sets the status to DoNotAdvertise for the specified address range.
The Type 3 Inter-Area Prefix LSA is suppressed, and the component networks
remain hidden from other networks.
Switch> enable
Switch# configure terminal
Switch(config)# router ipv6 ospf
Switch(config-router)# router-id 20.0.1.10
Switch(config-router)# area 1 range 2001:0DB8:0:1::/64
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