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Recently one of our switches got assigned a new IP address. In Cacti, I changed this in the device definition page (new IP address in the 'hostname' field). After saving it, it correctly shows the SNMP uptime, hostname, location and contact, confirming that cacti can connect to it.
All seemed well, but it turns out that the graphs for this device are no longer being updated. After enabling debugging for the device, I find this in the log file:
Note that 10.0.0.1 is the OLD address for the device, not the new address that was configured through the interface. The word 'switch1' is a hyperlink which leads to the correct page for the device in question, and shows the updated IP address in the 'hostname' field.
Things I've tried to remedy this:
Saving the device page, changing the IP address to something else and back
Rebuilding the poller cache
Rebooting the cacti server
None of these helped, and the poller continues to try and connect to the device on its old IP address.
Note that the IP address/hostname are not in use for any other device.
I don't seem to be able to reproduce this behaviour - if I change (in Cacti) the IP address for another device to a non-existing IP, it seems that the poller picks this right up without issues. However, for this one device, I can't get the poller to use the new IP address.
Upon changing the device information, poller should pick up the new hostname/IP address, or log a clear error why it cannot.
Version 1.2.10 (from Debian package)
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