We have a problem sending larger files (ios in this case) to a c2960 switch via snmp over TFTP. We can however, send configuration files to the switch via snmp over TFTP. We have also tried different hardware, which also means different software in this case, but we are get the same result. while debuging the output for tftp on the switches we can see that the TFTP session breaks at block 128, see image bellow. However if we issue the copy tftp: flash: command the switch successfully downloads the IOS.
The SNMP command: snmpset -r 100 -t 100 -v 2c -c COMMUNITY x.x.x.x 220.127.116.11.18.104.22.168.10.12.y.y.y.y s filename
y=TFTP server name
filename = ios
Is there any restriction to SNMP that would block larger files?
It is for devices which support or have Flash. This MIB is deprecated and old, the new MIB used now is CISCO-FLASH-MIB.
There are new variables and OIDs which can be used. Though I am sure it should support other File systesm as well, as devices now have multiple FS, but, I will have to test it further, there are no documents available, unfortunately.
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