From: Evgeny Tantsura (ivgen@castel.nl)
Date: Thu Dec 19 2002 - 21:00:28 GMT-3
> "Question...in senerio 2 what interface does OSPF choose as its next
> hop..."
>
> I believe the router will set the Forwarding Address in the Type 5 LSA to
> 0.0.0.0, which would indicate that all traffic destined for the default
> destination should be sent to the Advertising Router (the value in this
> field will be the Router ID).
Only if network mask 0.0.0.0 was used.
Otherwise ASBR will set E bit and Forwarding Address to the address of the
origin of this route.
>
> Regards,
>
> Mas Kato
> https://ecardfile.com/id/mkato
>
> ----- Original Message -----
> From: <JuniJinn@aol.com>
> To: <ccielab@groupstudy.com>
> Sent: Thursday, December 19, 2002 12:51 PM
> Subject: Default information originate..... OSPF
>
>
> Senerio 1 ---> On an ASBR you use the "Default-Information originate"
> command and have a static default defined. My understanding of this command
> is that OSPF will pick the default up and propagate it.
> Senerio 2 -----> On an ASBR you use the "default-information originate
> always" command and OSPF will inject a default route into its domain .
> Senerio 3----> you Create a static default and redistribute the static into
> OSPF.
> Question...in senerio 2 what interface does OSPF choose as its next hop
> interface on the router that you put the command on ie the ASBR
> Question......Are all these senerios basicaly doing the same thing and if
> there is a difference..what is it?
> Thankyou for any input you might provide.
> Junaid
> .
> .
With kind regards/ met vriendelijke groeten,
------------------------------------------------
E. Tantsura
Network Developer
Essent Kabelcom N.V.
Dr.van Deenweg 84
8025BN Zwolle, The Netherlands
Tel: +31-(0)38-850-7642
Fax: +31-(0)38-850-7410
Mob: +31-(0)6-290-80458
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.
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