Why can't you use the summary-address on the ASBRs.  Is there some
restriction?

""Jay Greenberg""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hello group,
>
> I seem to have a problem with OSPF external LSA summarization.  I have
> an Ethernet segment in area 4.  There are 2 ASBRs (RAS Gear), and 1 ABR
> (the router connected to my backbone).   Suppose for now, that ASBR1 is
> injecting 192.168.0.1/32 into OSPF as an E2 LSA, and ASBR2 is injecting
> 192.168.0.128/25 into OSPF as an E2 LSA.  I would like the other areas
> to just understand that 192.168.0.0/24 is reachable via the area 4 ABR,
> however,  #area 4 range 192.168.0.0 255.255.255.0 will not work, because
> it will not summarize external routes, and I cannot use summary-address
> (or can I?) on the ABR, because it is only supposed to be used by
> ASBRs.
>
> My question is: How can I get the ABR to summarise the /24?
>
> Jay Greenberg




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