CISCO 7940 and TFTP

I know Cisco must have a way to do this, any input would be great!

bvlmv Jul 21, 8:48 am show options

Newsgroups: comp.dcom.sys.cisco From: "bvlmv" - Find messages by this author Date: 21 Jul 2005 05:48:22 -0700 Local: Thurs,Jul 21 2005 8:48 am Subject: CISCO IP PHONES AND TFTP Reply | Reply to Author | Forward | Print | Individual Message | Show original | Report Abuse

Hi, I work for an ISP and we're starting to deploy CISCO IP phones (7940). We've been using Polycom 300/500/600 phones which use FTP so it's simple to create various user config-directories in a single server. Now these Cisco phones use TFTP, how can I separate configs for different customers on a same server? Any pointers would be greatly appreciated. Thanks,

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Tozz Jul 21, 7:43 pm show options

Newsgroups: comp.dcom.sys.cisco From: Tozz - Find messages by this author Date: Fri, 22 Jul 2005 01:43:05 +0200 Local: Thurs,Jul 21 2005 7:43 pm Subject: Re: CISCO IP PHONES AND TFTP Reply | Reply to Author | Forward | Print | Individual Message | Show original | Report Abuse

Hi

I work for an ISP and we're starting to deploy CISCO IP phones (7940). > We've been using Polycom 300/500/600 phones which use FTP so it's > simple to create various user config-directories in a single server. > Now these Cisco phones use TFTP, how can I separate configs for > different customers on a same server?
7940 cisco phones request a different file per phone, based on the MAC address. If you setup a TFTP server, and you look at the logs you will see something like:

ul 21 18:40:58 embrace in.tftpd[1594]: RRQ from 10.103.188.20 filename CTLSEP0011BB0DE63F.tlv Jul 21 18:40:58 embrace in.tftpd[1594]: sending NAK (1, File not found)

to 10.103.188.20 Jul 21 18:40:58 embrace in.tftpd[1595]: RRQ from 10.103.188.20 filename

SEP0011BB0DE63F.cnf.xml Jul 21 18:40:58 embrace in.tftpd[1595]: sending NAK (1, File not found)

to 10.103.188.20 Jul 21 18:40:58 embrace in.tftpd[1596]: RRQ from 10.103.188.20 filename

SIP0011BB0DE63F.cnf Jul 21 18:40:58 embrace in.tftpd[1596]: sending NAK (1, File not found)

to 10.103.188.20 Jul 21 18:40:58 embrace in.tftpd[1597]: RRQ from 10.103.188.20 filename

MGC0011BB0DE63F.cnf Jul 21 18:40:58 embrace in.tftpd[1597]: sending NAK (1, File not found)

to 10.103.188.20 Jul 21 18:40:58 embrace in.tftpd[1598]: RRQ from 10.103.188.20 filename

XMLDefault.cnf.xml Jul 21 18:40:58 embrace in.tftpd[1598]: sending NAK (1, File not found)

to 10.103.188.20 Jul 21 18:40:58 embrace in.tftpd[1599]: RRQ from 10.103.188.20 filename

SIPDefault.cnf

My configuration for each phone is the same, since I have a very basic setup. The last resort for the phone is "SIPDefault.cnf", which contains my phone configuration. But eg for phone 1 I could create a file SIP0011BB0DE63F.cnf which contains the configuration for the phone with

MAC address 00:11:bb:0d:e6:3f.

The only way I can think of to do this on a per customer basis is to symlink configuration files.

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bvlmv Jul 22, 9:43 am show options

Newsgroups: comp.dcom.sys.cisco From: "bvlmv" - Find messages by this author Date: 22 Jul 2005 06:43:00 -0700 Subject: Re: CISCO IP PHONES AND TFTP Reply | Reply to Author | Forward | Print | Individual Message | Show original | Report Abuse

My only problem is the SIPDefault.cnf because some customers use an outbound proxy and some don't. When phones at different locations reboot "they all look for the same SIPDefault.cnf file" and all hell will break loose. At the moment we're blocking outbound tftp on the router but that's not very practical. Is there a way to rename the file

on the phone, so that it requests ex. sipdefault1.cnf? I know there has to be a way, Thanks

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bvlmv
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