Network Backdoor - Dell C9000 Series Reference Manual

Networking command-line reference guide

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Usage Information Dell Networking OS software resolves the network address the network command

configures with the routes in the main routing table to ensure that the networks are

reachable using non-BGP routes and non-default routes.

As BGP does not query next-hop information corresponding to locally originated

routes, a local route with an unreachable next-hop is chosen as the best route.

When a combination of locally originated and peer originated routes occurs, both these

routes will exist in the RTM. However, only the best route is kept active in the RTM and

the remaining route is rendered in-active.

It is possible to keep only one locally originated route in the BGP database. Network

command has preference over the re-distributed routes. When the locally originated

route is no longer present in the database the other route is automatically installed.

In BGP, the next-hop for the route is calculated from the information that is acquired

through IGP or static routes.

redistribute

network backdoor

Specify this IGP route as the preferred route.

C9000 Series

network ip-address mask backdoor

To remove a network, use the no network ip-address mask backdoor

Not configured.

Command Modes

Introduced on the S-Series.

Introduced on the C-Series.

— redistributes routes into BGP.

Enter an IP address in dotted decimal format of the network.

Enter the mask of the IP address in the slash prefix length format

(for example, /24).

The mask appears in command outputs in dotted decimal

format (A.B.C.D).

Border Gateway Protocol

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