From: Skinner, Stephen (Stephen.Skinner@rbs.co.uk)
Date: Thu Jun 08 2006 - 19:06:26 ART
Leigh,
that really helps alot.
thanks for that ,
Stephen
> -----Original Message-----
> From: Leigh Harrison [SMTP:ccileigh@gmail.com]
> Sent: 08 June 2006 18:33
> To: Skinner, Stephen
> Cc: 'ccielab@groupstudy.com'
> Subject: Re: FW: summarising 3 IP networks ( discontinuous networks
> with one s tatement)
>
> *** WARNING : This message originates from the Internet ***
>
> Hey there Stephen,
>
> You can grab the 1.10.40.0 and the 10.10.44.0 using the access-list
> 1.10.40.0 0.0.4.0
>
> 00101000 = 40
> 00101100 = 44
> 00000100 = is the only bit that changes, which is bit number 4
>
> 00011011 = 27 and there is not too much in common there..
> 00111111 = the bits that change to get 27 in there too, which would be
> from 0 - 63!
>
> So, to get the 1.10.27.0 you'd have to cross a major bit boundary...
>
> Hope that helps,
> LH
>
> Skinner, Stephen wrote:
> >> Kay , thanks for that,
> >>
> >> I apologise I didn't explain myself .
> >>
> >> what I am trying to do is to summarise all the networks and only the
> >> networks below with one statement.
> >>
> >> I once read a thread saying that by manipulating the mask you can pick
> >> out various subnets to advertise
> >>
> >> so with one statement you could pick out only the networks you wanted
> and
> >> not a blanket summary for all addresses in that range.
> >>
> >> I have looked in archive but I cant find the original thread.
> >>
> >> Do you know if I can do that ?
> >>
> >> TIA
> >>
> >> Steve
> >>
> >> -----Original Message-----
> >> From: Kay D [SMTP:krsna83@gmail.com]
> >> Sent: 08 June 2006 14:52
> >> To: Skinner, Stephen
> >> Subject: Re: summarising 3 IP networks
> >>
> >> *** WARNING : This message originates from the Internet ***
> >>
> >>
> >>
> >> Hi Stephen ,
> >> Use the following 1.10.27.0/18
> <http://1.10.27.0/18>
> >> to do the summarization .
> >>
> >> Regds,
> >> Kay
> >>
> >> On 6/8/06, Skinner, Stephen <Stephen.Skinner@rbs.co.uk
> >> <mailto:Stephen.Skinner@rbs.co.uk>> wrote:
> >>
> >> chaps ,
> >>
> >> is there any way to summarise the three following IP addresses
> >>
> >> 1.10.40.0/22 <http://1.10.40.0/22>
> >> 1.10.44.0/22 <http://1.10.44.0/22>
> >> 1.10.27.0/24 <http://1.10.27.0/24>
> >>
> >> I seem to think there is a way but I cant remember.
> >>
> >> TIA
> >>
> >> Steve
> >>
> >>
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> Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB
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> > This e-mail message is confidential and for use by the addressee only.
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> onward transmission, opening or use of this message and any attachments
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The Royal Bank of Scotland plc, Registered in Scotland No. 90312. Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB
Authorised and regulated by the Financial Services Authority.
This e-mail message is confidential and for use by the addressee only. If the message is received by anyone other than the addressee, please return the message to the sender by replying to it and then delete the message from your computer. Internet e-mails are not necessarily secure. The Royal Bank of Scotland plc does not accept responsibility for changes made to this message after it was sent.
Whilst all reasonable care has been taken to avoid the transmission of viruses, it is the responsibility of the recipient to ensure that the onward transmission, opening or use of this message and any attachments will not adversely affect its systems or data. No responsibility is accepted by The Royal Bank of Scotland plc in this regard and the recipient should carry out such virus and other checks as it considers appropriate.
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