Nssa - Huawei Quidway S3900 series Command Manual

Command Manual – Routing Protocol
Quidway S3900 Series Ethernet Switches-Release 1510
To run OSPF on an interface, the master IP address of this interface must be in the
range of the network segment specified by this command. If only the slave IP address
of the interface is in the range of the network segment specified by this command, this
interface will not run OSPF.
Related command: ospf.
Example
# Specify the interfaces whose master IP addresses are in the segment range of
10.110.36.0 to run OSPF and specify the number of the OSPF area (where these
interfaces reside) as 6.
<Quidway> system-view
System View: return to User View with Ctrl+Z.
[Quidway] ospf 1
[Quidway-ospf-1] area 6
[Quidway-ospf-1-area-0.0.0.6] network 10.110.36.0.0 0.0.0.255

3.1.32 nssa

Syntax
nssa [ default-route-advertise | no-import-route | no-summary ]*
undo nssa
View
OSPF Area view
Parameter
default-route-advertise: Imports the default route to the NSSA area.
no-import-route: Specifies not to import route to the NSSA area.
no-summary: An ABR is disabled from transmitting summary_net LSAs to the NSSA
area.
Description
Use the nssa command to configure an OSPF area as an NSSA area.
Use the undo nssa command to cancel the function.
By default, no NSSA area is configured.
For all the routers connected to the NSSA area, the nssa command must be used to
configure the area as the NSSA attribute.
The default-route-advertise argument is used to generate the default type-7 LSA. No
matter whether the route 0.0.0.0 exists in the routing table on the ABR, the type-7 LSA
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Chapter 3 OSPF Configuration Commands