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SonicOS 5.8.1 Administrator Guide
• IBM – For interoperating with IBM’s ABR behavior, which expects the backbone to be
configured before settings the ABR flag.
• Shortcut – A ‘shortcut area’ enables traffic to go through the non-backbone area with a
lower metric whether or not the ABR router is attached to area 0.
Default Metric –
Used to specify the metric that will be used when redistributing routes from
other (Default, Static, Connected, RIP, or VPN) routing information sources. The default value
(undefined) is 1 and the maximum is 16,777,214.
Originate Default Route – Controls the advertising of the SonicWALL security appliance’s
default route into the OSPF system on this interface. The options are:
• Never – Disables advertisement of the default route into the OSPF system.
• When WAN is up – Advertises the default route into the OSPF system when the WAN is
online. The default route is always advertised as an External Type 2 using LSA Type 5.
• Always – Enables advertisement of the default route into the OSPF system. The default
route is always advertised as an External Type 2 using LSA Type 5.
Note The following applies to all Redistributed routes: The metric can be explicitly set for this
redistribution, or it can use the value (default) specified in the ‘Default Metric’ setting. An
optional route tag value can be added to help other routers identify this redistributed route
(the default tag value is 0). The redistributed route advertisement will be an LSA Type 5, and
the type may be selected as either Type 1 (adds the internal link cost) or Type 2 (only uses
the external link cost).
Redistribute Static Routes – Enables or disables the advertising of static (Policy Based
Routing) routes into the OSPF system.
Redistribute Connected Networks - Enables or disables the advertising of locally connected
networks into the OSPF system.
Redistribute RIP Routes - Enables or disables the advertising of routes learned via RIP into the
OSPF system.
Redistribute Remote VPN Networks - Enables or disables the advertising of static (Policy
Based Routing) routes into the RIP system.
The Routing Protocols section will show the status of all active OSPF routers by interface.
The and Status LED’s indicate whether or not there are active neighbors, and can be
moused over for more detail.
The Routing Policies section will show routes learned by OSPF as OSPF or RIP Routes.