Good question. The IBM 6611 does bridging for one thing. The other hint was 
that it was attempting to send an OSPF Hello on a serial interface. Does 
OSPF do that? How does it establish adjacency to a neighbor router on a 
WAN? On a point-to-point network, I figured it just knew who its neighbor
was.

On a non-broadcast, multiple-access network, such as Frame Relay, you 
normally configured the neighbor command. 

I've only seen the OSPF multicast Hellos on LANs, (but I can't afford a WAN 
Sniffer anymore! ;-) 

Gurus? Help? Thanks. 

Priscilla 


Priscilla,

I was fairly certain that OSPF exchanges hellos on serial interfaces.  I
turned on OSPF on a router in my lab and then turned on debug ip packet.  In
deed, hellos with a destination address of 224.0.0.5 are going out all
interfaces - including serial.


P.S. Anyone seeing this may be confused because you didn't include the 
original message. PLEASE, people, reply with the body of the message in the 
reply. We work in connectionless, stateless mode. How do you expect anyone 
to easily connect this to the discussion about a router failing to forward 
a packet on a PPP link to an IBM 6611. Hello????? 


I am fairly new around here.  It appears that a lot of folks participate in
this forum via a list.  I have been doing so via the web page, so I am not
familiar with what the rest of you see.  Did I do it right this time?





Regards,

Scott


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