cancel
Showing results for 
Search instead for 
Did you mean: 
cancel
Announcements

981
Views
10
Helpful
6
Replies
Highlighted

DHCP renew IP address after reboot IP Phone

Hello everyone,

 

i have some trouble with 4 cisco ip phone 7821 who renew ip address after reboot, paste the log of the phone next:

4667 NOT 14:58:14.901708 DHCP-dhcpWriteResolv(): /etc/resolv.conf points to ../tmp/.resolv.conf.dhcp, need to change
4668 NOT 14:58:14.901853 DHCP-dhcpWriteResolv(): cannot unlink /etc/resolv.conf, Read-only file system
4669 NOT 14:58:14.901901 DHCP-dhcpWriteResolv(): creat symbol link error File exists
4670 NOT 14:58:14.901940 DHCP-dhcpSendReq(): Sending Discover...
4671 INF 14:58:14.918531 dnsmasq[7920]: started, version 2.46 cachesize 150
4672 INF 14:58:14.918878 dnsmasq[7920]: compile time options: IPv6 GNU-getopt no-DBus no-I18N TFTP
4673 INF 14:58:14.920445 dnsmasq[7920]: reading /etc/resolv.conf
4674 WRN 14:58:14.920800 dnsmasq[7920]: ignoring nameserver 127.0.0.1 - local interface
4675 INF 14:58:14.921409 dnsmasq[7920]: read /etc/hosts - 2 addresses
4676 NOT 14:58:16.902937 DHCP-dhcpRcvPkt(): Sending Request...
4677 NOT 14:58:16.903545 DHCP-dhcpRcvPkt(): response unrecognized
4678 NOT 14:58:16.908399 DHCP-dhcpRcvPkt(): ACK received
4679 NOT 14:58:16.908531 DHCP-dhcpRcvPkt(): DHCP Succeeded
4680 NOT 14:58:16.908577 DHCP-dhcpRcvPkt(): new assigned IP addr: 0x92463e0a, configuredipaddr: 0x0

 

i think that the the phone are damage, i am correct?

Everyone's tags (5)
6 REPLIES 6
Highlighted

Hi Jorge Alberto, if my

Hi Jorge Alberto,

 if my understanding is correct, you have more than four 7821, but only these four are having problems, am I correct?

 Did you try a Factory Reset (check the link Perform a Factory Reset)?

 

Hope this helps.

Highlighted

yes i tried factory reset but

yes i tried factory reset but the same result also i changed the firmware the problem solved for about 1 hour. after the problem continue

Highlighted

Hi Jorge Alberto, ok, and you

Hi Jorge Alberto,

 ok, and you have others 7821 that didn't have the same issue?

 

Regards.

Highlighted

yes, around 200 more phones

yes, around 200 more phones only 4 phone have the issues

Highlighted

Ok, what happened if you

Ok.

 what happened if:

1) you configure these phones with DHCP disable and after a couple of hours change it to DHCP enable?

2) you configure the following:

In CUCM Administration > Device > Device Settings > Common Device Configuration:
Select the 'Common Device Configuration'
IP Addressing Mode: IPv4 Only
and associate it to these 7821

 

Regards.

Highlighted

thanks Marcelo, i will try.

thanks Marcelo, i will try.

CreatePlease to create content
Content for Community-Ad

Cisco COVID-19 Survey