Kurt,
Let me clear... My OSPF is weak... Lotsa study/// ZERO Hands on... I work
with EIGRP, RIP etc... but will start some lab work soon with OSPF to get
ready for bigger TEST!!!!!!!!!!!!! enough of the excuses as to why I
could be wrong... so listen for the crowd to flame me if I stumbled.
Not really.
1. Your e0-s1 are the network addresses... u need to make them the host
2. This is oversummarization. Your route of 172.16.10.0/27 is a network of
.0 a broadcast of .31 and includes all the host from 1-30...
Example the .27 address (which you have not assigned) exist elsewhere in
your route domain.... it is lost because of you oversummarization
I suggest
int e0 = 172.16.10.1 /30 (net .0 broad .3 host .1 & .2)
int e1 = 172.16.10.5 /30 (net .4 broad .7 host .5 & .6)
int s0 = 172.16.10.9 /30 (net .8 broad .11 host .9 & .10)
int s1 = 172.16.10.13 /30 (net .12 broad .15 host .13 & .14)
Area Border Router.
!!!!!!!!!!!!!!!!! (folks correct me if I blow it)
router ospf 23
route 172.16.10.0 0.0.0.3 area 1
route 172.16.10.4 0.0.0.3 area 2
route 172.16.10.8 0.0.0.3 area 3
route 172.16.10.12 0.0.0.3 area 4
summary-address 172.16.10.0 255.255.255.240
--
Lou Nelson, CCNP, CCDA
----- Original Message -----
From: Kurt <[EMAIL PROTECTED]>
Newsgroups: groupstudy.cisco
To: <[EMAIL PROTECTED]>
Sent: Saturday, June 03, 2000 1:49 AM
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?
>
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