The 4 subnets belong to diff areas. The summarization would be per area. I
don't understand where area 23 came from ?!!! ( that is the process ID - Has
nothing to do with OSPF areas )
To the best of my knowledge on a ABR you would summarize per area in the
area range command. In this case i don't think you do much. ( If these 4
subnets were in the same area you accomplish that)
Cheers,Padhu
-----Original Message-----
From: sumthin sumthin [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, June 27, 2000 10:58 AM
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: Re: VLSM Question
Sorry for the imprecise answer and for getting back so late...just got back
from vacation.
Actually, you are correct. A 27-bit mask is what you need.
If you were to use the 28-bit mask that I suggested, it would have excluded
the 172.16.10.16 range.
Good job!
>From: "Sriram Venkataramani" <[EMAIL PROTECTED]>
>Reply-To: "Sriram Venkataramani" <[EMAIL PROTECTED]>
>To: "sumthin sumthin" <[EMAIL PROTECTED]>, <[EMAIL PROTECTED]>
>Subject: Re: VLSM Question
>Date: Mon, 5 Jun 2000 14:00:25 -0700
>
>Hello,
>Your answer is'nt convincing to me. Please do not take it otherwise. Can
>you
>explain your answer?
>
>Thanks
>----- Original Message -----
>From: sumthin sumthin <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>
>Sent: Monday, June 05, 2000 9:34 AM
>Subject: VLSM Question
>
>
> > It should be:
> > area 23 range 172.16.10.0 255.255.255.240
> >
> > ------------------------------
> >
> > Date: Fri, 02 Jun 2000 23:49:40 -0700
> > From: Kurt <[EMAIL PROTECTED]>
> > Subject: VLSM Question
> >
> > 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 = ------------------------------
> >
> > Date: Fri, 02 Jun 2000 23:49:40 -0700
> > From: Kurt <[EMAIL PROTECTED]>
> > Subject: VLSM Question
> >
> > 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?)
> > Is this correct?
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