From: Mohamed M Moustafa (mmma@gawab.com)
Date: Sun Aug 12 2007 - 14:44:20 ART
Hi,
Most probably you have "no ip subnet-zero " this will give you the error
you got as this is the all zero subnet.
HTH,
Mohammed Mahmoud.
Scott Morris <smorris@uber-geek.net> wrote on 12 Aug 2007, 08:31 PM:
Subject: RE: Bad mask
>Should work fine.
>
>If you forgot to put "no switchport" on, you'd get an invalid command
>response.
>If you had a different mask/overlap on a different port, you'd get
>"163.1.0.1 overlaps with (other intf)"
>
>Otherwise, that works. If you were accidently typing in "ip address
>163.1.0.0 255.255.255.128" though, you would get that error.
>
>HTH,
>
>
>Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713, JNCIE
>#153, CISSP, et al.
>CCSI/JNCI-M/JNCI-J
>VP - Technical Training - IPexpert, Inc.
>IPexpert Sr. Technical Instructor
>
>A Cisco Learning Partner - We Accept Learning Credits!
>
>smorris@ipexpert.com
>
>Telephone: +1.810.326.1444
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>
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Ben
>Mussa
>Sent: Sunday, August 12, 2007 12:51 PM
>To: ccielab@groupstudy.com
>Subject: Bad mask
>
> Hello GS,
> when i configure my interface with this ip address below i get an error
>message. i checked the solution guide same ip address but i am still
>getting
>bad mask errors. can someone advise?
>
> thanks
>
> Rack1SW1(config)#interface Port-channel14
>Rack1SW1(config-if)#ip address 163.1.0.1 255.255.255.128 Bad mask /25 for
>address 163.1.0.1
>
>
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