Summary address command in OSPF is for summarizing routes *INTO* the OSPF
domain. Area Range command is for summarizing routes from one area to
another. While summary address may work out of OSPF, this is a known bug
and may even stop working upon a reload of the router.
JOE
CCIE 5917
"Kurt" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> I have four different interfaces on a 2514 router (e0,e1,s0,s1), each
> interface is on a different subnet, and the mask is 30 bits. Here's they
> are:
> int e0 = 172.16.10.4 /30
> int e1 = 172.16.10.8 /30
> int s0 = 172.16.10.12 /30
> int s1 = 172.16.10.16 /30
> ( I only want two addresses per subnet)
> I'm running OSPF routing protocol on this router. Each route is
> configured in a different area, so that makes this router an Area Border
> Router.
> here's the logic:
> router ospf 23
> route 172.16.10.4 0.0.0.0 area 1
> route 172.16.10.8 0.0.0.0 area 2
> route 172.16.10.12 0.0.0.0 area 3
> route 172.16.10.16 0.0.0.0 area 4
> I want to summarize the addresses into one route for the routing table.
> Is this possible?
> Here's the binaries on the last octet:
> 4 = .00000100
> 8 = .00001000
> 12= .00001100
> 16= .00010000
> I came up with summary-address 172.16.10.0 255.255.255.224
> (ABR script = area 23 range 172.16.10.0 255.255.255.224)
> Is this correct?
>
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