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petercinvest
Level 1
Level 1

I have routers as below

R1-R2(CE1)--R3(PE1)--R5(CE2)

R1 is using only OSPF, r2 is using ospf/BGP, R5 is using OSPF/BGP

in R2 OSPF process, there is a command: OSPF default information originate

in R5,BGP process,  there is a command: BGP default information originate

so my question is R1 will receive default route from R2 or r5? 

1 Reply 1

Hello
Yes it will if R2 has a default route in it rib already from CE2, That said it depends on the bgp peering between your PE routers ( ebgp peering will, IBGP wont)
or
R2 specifys the "always" keyword  with the default-information originate and that will advertise a default anyway.

res
Paul


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Kind Regards
Paul