Add network statement to exsiting OSPF config

[NGJ]

Hi, quick query to confirm I'm adding OSPF statements correctly.

On our core L3 switch we have an existing ospf config (ive left out all details apart from one example) i.e.

router ospf 1

  router-id x.x.x.x

  network 10.10.10.0 0.0.0.255  area 0

If I want to add another network statement

  network 10.10.20.0 0.0.0.255 area 0

Do I just go into the 'router ospf 1' sub command and add the additional statement - or will this overwrite what already exists there?

Thanks

Thanks

[Reza Sharifi · Accepted solution]

Hi,

You just go under ospf router and add the new command.  It will not override the other one as this is a new statement.

config t

router ospf 1

network 10.10.20.0 0.0.0.255 area 0

HTH

[NGJ]

Thanks for the confirmation.  Its as I hoped/expected but needed confirmation before I tried.

[mkazam001]

alternatively:

interface fa0/1

 ip ospf 1 area 0

regards

mk

[NGJ]

Thanks for the alternative option

[NGJ]

Thanks for the alternative option

[paul driver]

Hello

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@NGJ wrote:

Hi, quick query to confirm I'm adding OSPF statements correctly.

On our core L3 switch we have an existing ospf config (ive left out all details apart from one example) i.e.

router ospf 1

  router-id x.x.x.x

  network 10.10.10.0 0.0.0.255  area 0

If I want to add another network statement

  network 10.10.20.0 0.0.0.255 area 0

Do I just go into the 'router ospf 1' sub command and add the additional statement - or will this overwrite what already exists there?

---

you can do that or another option is you can apply it via the actual interface you want advertising

int x/x

ip ospf 1 area 0