Ok - thanks Simon. Will look into that. Cheers,
N. On 8 March 2011 14:31, Read, Simon <[email protected]>wrote: > Hi Nick, > > > > Spanguard lock would do it. > > > > * * > > Kind regards, > > * * > > *Simon Read* > > *Service Engineer*** > > > > *Nashua Communications (Pty) Ltd.* > > Unit 10 Growthpoint Business Park, > > No 2 Tonnetti Street, Midrand, 1685 > > M: +27 84 676 9200 > > Fax: +27100012500 > > [email protected]<[email protected]> > > www.nashua-communications.com > > > > [image: Nashua Communications EMAIL Logo2.gif] > > > > *From:* Nick Allen [mailto:[email protected]] > *Sent:* 08 March 2011 04:29 PM > > *To:* Enterasys Customer Mailing List > *Cc:* Read, Simon > *Subject:* Re: [enterasys] Cross-connected switch... > > > > Sorry - I should have been more verbose. > > > > What' I'd really like to happen is that the port would somehow detect that > it's a rogue connection and shut off that port so that inter-connection > can't happen in the first place. > > > > N. > > On 8 March 2011 14:19, Read, Simon <[email protected]> > wrote: > > Hi Nick, > > > > Use Policy to only allow DHCP from a specific server? > > > > * * > > Kind regards, > > * * > > *Simon Read* > > *Service Engineer* > > > > *Nashua Communications (Pty) Ltd.* > > Unit 10 Growthpoint Business Park, > > No 2 Tonnetti Street, Midrand, 1685 > > M: +27 84 676 9200 > > Fax: +27100012500 > > [email protected]<[email protected]> > > www.nashua-communications.com > > > > [image: Nashua Communications EMAIL Logo2.gif] > > > > *From:* Nick Allen [mailto:[email protected]] > *Sent:* 08 March 2011 04:05 PM > > > *To:* Enterasys Customer Mailing List > *Subject:* [enterasys] Cross-connected switch... > > > > Hi, > > > > We have an office with an Enterasys C2G in it. > > Also in that office and in the same cabinet is a Cisco switch that belongs > to another sister company. > > > > Devices plugged in the Cisco switch were getting IP address in the DHCP > range that would normally be only available on the C2. > > We traced it with Compass to an IP phone with the passthrough port plugged > into the Cisco switch instead of a workstation. > > > > What's the best way to prevent this happening from a config point of view > on the Enterasys only (given that we don't have access to the Cisco). > > > > Thanks, > > > > Nick. > > > > > > C4-2C-03-29-E8-FE > > 10.113.11.1 > > > > > > -- > > This e-mail is intended only for the named person or entity to which it is > addressed and > > contains valuable business information that is proprietary, privileged, > confidential and/or > > > > otherwise protected from disclosure. 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Nashua > Communications and/or its subsidiaries accepts no liability of whatever > nature for any loss, liability, damage or expense resulting directly or > indirectly from access to this message and any files or links that are > attached hereto. > > ________________________________________________________________________________________ > > Disclaimer and Confidentiality Note > > This e-mail communication, its attachments, if any, and any rights > attaching to it are, unless the context clearly indicates otherwise, the > property of Nashua Communications. It is confidential, private and intended > for the addressee only. If you are not the intended recipient and receive > this communication in error, you are hereby notified that any review, > copying, use, discloser or distribution in any manner whatsoever is strictly > prohibited. Please notify the sender immediately that you have received this > e-mail in error and delete the e-mail and any copies of it. Views and > opinions expressed in this e-mail are those of the sender unless clearly > stated as those of Nashua communications. Nashua Communications accepts no > liability for any loss or damage whatsoever, and howsoever incurred or > suffered resulting or arising from the use of this e-mail communication > and/or its attachments. > > Nashua Communications does not warrant the integrity of this e-mail > communication nor that it is free of errors, viruses, interception or > interference. > > - --To unsubscribe from enterasys, send email to [email protected] with > the body: unsubscribe enterasys [email protected] > > > > -- > > This e-mail is intended only for the named person or entity to which it is > addressed and > > contains valuable business information that is proprietary, privileged, > confidential and/or > > otherwise protected from disclosure. If you received this e-mail in error, > any review, use, > > dissemination, distribution or copying of this e-mail is strictly prohibited. > Please notify > > us immediately of the error via e-mail to [email protected] and > please delete > > the e-mail from your system, retaining no copies in any media. We appreciate > your cooperation. > > > > > > > > · --To unsubscribe from enterasys, send email to [email protected] > with the body: unsubscribe enterasys [email protected] > > · > > *Nashua Communications, exclusive provider of Siemens Enterprise > Communications* *and Panasonic Telecommunications in Southern Africa.* > > The information in this e-mail is confidential and is intended solely for > the addressee. If you have received this e-mail in error, you are hereby > notified that any review, copying or distribution is strictly prohibited. > Please inform the sender immediately and destroy the original. Nashua > Communications and/or its subsidiaries accepts no liability of whatever > nature for any loss, liability, damage or expense resulting directly or > indirectly from access to this message and any files or links that are > attached hereto. > > ________________________________________________________________________________________ > > Disclaimer and Confidentiality Note > > This e-mail communication, its attachments, if any, and any rights > attaching to it are, unless the context clearly indicates otherwise, the > property of Nashua Communications. It is confidential, private and intended > for the addressee only. If you are not the intended recipient and receive > this communication in error, you are hereby notified that any review, > copying, use, discloser or distribution in any manner whatsoever is strictly > prohibited. Please notify the sender immediately that you have received this > e-mail in error and delete the e-mail and any copies of it. Views and > opinions expressed in this e-mail are those of the sender unless clearly > stated as those of Nashua communications. Nashua Communications accepts no > liability for any loss or damage whatsoever, and howsoever incurred or > suffered resulting or arising from the use of this e-mail communication > and/or its attachments. > > Nashua Communications does not warrant the integrity of this e-mail > communication nor that it is free of errors, viruses, interception or > interference. > > > - --To unsubscribe from enterasys, send email to [email protected] with > the body: unsubscribe enterasys [email protected] > > -- Nick Allen IT Director 76-80 Whitfield Street London, W1T 4EZ Direct: +44 20 7573 6792 Mobile: +44 7970 121 609 Main: +44 20 7573 6500 Reg. Office: TBWA UK GROUP Ltd, address as above Company Reg. #: 4332188 (UK) Company VAT #: GB 656 8994 61 -- This e-mail is intended only for the named person or entity to which it is addressed and contains valuable business information that is proprietary, privileged, confidential and/or otherwise protected from disclosure. If you received this e-mail in error, any review, use, dissemination, distribution or copying of this e-mail is strictly prohibited. Please notify us immediately of the error via e-mail to [email protected] and please delete the e-mail from your system, retaining no copies in any media. We appreciate your cooperation. --- To unsubscribe from enterasys, send email to [email protected] with the body: unsubscribe enterasys [email protected]
