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Hllrdm
Contributor

Disabling the route from ospf to smb

Our ospf route is 0.0.0.0/0 and we can't access the internet because we can't set a default route to the ISP.
Is there a command that will allow us to disable the route 0.0.0.0 that was received from the ospf?

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4 Replies
emmap
Employee
Employee

By default, all OSPF routes are accepted when advertised from neighbours. You can disable this behaviour, but you would then have to configure route redistribution / routemaps to accept what you need to accept.

Alternatively you prevent the advertising of the default on the neighbour end.

Alternatively alternatively, you can set the static route with a higher metric than the OSPF route.

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Hllrdm
Contributor

Could you tell the command for SMB how we can create a static default route with a higher metric?

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Hllrdm
Contributor

I am having a problem with the smb device. When I set the security policies I get the default route to the ISP and the ospf access is lost.
But when I enter the command fw unloadlocal I get the default route to the router ospf and no internet access.
Has anyone encountered this problem?

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Chris_Atkinson
Employee Employee
Employee

By default static routes have a protocol rank of 60.

Comparatively OSPF routes have a default rank of 10 or 150 (external) depending on their origin.

Gateway-ID-Test> set protocol-rank protocol ospf
ipv4-routes - ipv4-routes
ipv6-routes - ipv6-routes
rank - Rank

CCSM R77/R80/ELITE
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