Hi Jared, Currently enabled, but I believe I have tried to disable as well:
no ip nat service sip udp port 5060 is the correct command? Andrew -- Andrew Yager, Managing Director (MACS Snr CP BCompSc MCP MCE JNCIA-Junos) Real World Technology Solutions Pty Ltd - IT people you can trust ph: 1300 798 718 or (02) 9037 0500 fax: (02) 9037 0591 mob: 0405 152 568 http://www.rwts.com.au/ On 09/01/2013, at 11:12 AM, Jared Mauch <[email protected]> wrote: > IOS automatically does SIP-ALG when doing nat, is this enabled or not? > > The SIP-ALG is broken and I have always recommended people to turn it off. > > - Jared > > On Jan 8, 2013, at 7:05 PM, Andrew Yager <[email protected]> wrote: > >> Hi, >> >> We have a client using a Cisco 867 with SIP based VoIP phones behind it (not >> CCM). >> >> Each time the phones perform a new SIP request a new entry is created in the >> NAT table on a different port, which very quickly floods the NAT table and >> crashes the router. >> >> We've tried with c860-universalk9-mz.150-1.M6 and >> c860-universalk9-mz.151-4.M5 but are seeing the same behaviour. >> >> Client nat config is relatively standard: >> >> ip nat inside source list 10 interface Dialer0 overload >> ip nat inside source static tcp 10.1.1.100 5900 interface Dialer0 5900 >> ip nat inside source static tcp 10.1.1.100 1723 interface Dialer0 1723 >> >> access-list 10 permit 10.1.1.0 0.0.0.255 >> >> Has anyone seen this issue on this series of routers and/or know if it's an >> IOS bug? Any fixes or workarounds or working IOS versions? >> >> Thanks, >> Andrew >> >> -- >> Andrew Yager, Managing Director (MACS Snr CP BCompSc MCP MCE JNCIA-Junos) >> Real World Technology Solutions Pty Ltd - IT people you can trust >> ph: 1300 798 718 or (02) 9037 0500 >> fax: (02) 9037 0591 mob: 0405 152 568 >> http://www.rwts.com.au/ >> >> >> >> >> >> >> >> >> _______________________________________________ >> cisco-nsp mailing list [email protected] >> https://puck.nether.net/mailman/listinfo/cisco-nsp >> archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
