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Re: Router Configuration and Netview

To: nv-l@lists.tivoli.com
Subject: Re: Router Configuration and Netview
From: Nicaud Phil <pnicaud@WOOLWORTHS.COM.AU>
Date: Tue, 9 Mar 1999 08:10:36 +1000
Reply-to: Discussion of IBM NetView and POLYCENTER Manager on NetView <NV-L@UCSBVM.UCSB.EDU>
Sender: Discussion of IBM NetView and POLYCENTER Manager on NetView <NV-L@UCSBVM.UCSB.EDU>
Hi Rob

What you have on serial 8 & 9 is a primary and a secondary IP address. There
is no problems with doing this and is quite often found during network
migrations.

Netview won't have a problem with this, it will simply have two networks
shown for the same physical interface. If you don't want to see secondary
addresses in Netview, you can configure Netmon to ignore them using SMIT.

Regards

Phil

> -----Original Message-----
> From: Rob Wilkinson [SMTP:Rob.Wilkinson@MBS.GOV.ON.CA]
> Sent: Tuesday, 9 March 1999 8:41
> To:   NV-L@UCSBVM.ucsb.edu
> Subject:      Router Configuration and Netview
>
> We have several routers (1700) that are various models like 25xx, 45xx and
> 75xx.
>
> I noticed that on a 45xx router we have has two ip addresses for the same
> interface as follows:
>
> root@mbems01[/usr/delme]>rnetstat.ksh hke01c45
> Interface                 IP address      Network Mask    Network Address
> Link Address
> Serial10                  142.145.6.1     255.255.255.128 142.145.6.0
> <none>
> Serial8                   142.145.15.2    255.255.255.128 142.145.15.0
> <none>
> Serial2                   142.145.18.129  255.255.255.128 142.145.18.128
> <none>
> Serial4                   142.145.65.129  255.255.255.128 142.145.65.128
> <none>
> Serial7                   142.145.128.129 255.255.255.128 142.145.128.128
> <none>
> Serial0                   142.145.143.1   255.255.255.128 142.145.143.0
> <none>
> Serial5                   142.145.151.1   255.255.255.128 142.145.151.0
> <none>
> Serial3                   142.145.159.1   255.255.255.128 142.145.159.0
> <none>
> Serial1                   142.145.182.129 255.255.255.128 142.145.182.128
> <none>
> Serial6                   142.145.239.1   255.255.255.128 142.145.239.0
> <none>
> Serial9                   142.145.245.1   255.255.255.128 142.145.245.0
> <none>
> Serial8                   172.19.14.2     255.255.255.252 172.19.14.0
> <none>
> Serial9                   172.19.14.5     255.255.255.252 172.19.14.4
> <none>
>
> See Serial9..
>
> Does any one know if Netview has problems with these so called "Private
> addressing scheme"?
>
> I am told that these 172.* addresses are being defined to reclaim some of
> the 142.* addresses because we ran out of 142's..
>
> Any thoughts?
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