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RADIUS server retransmition happens when the connection to the RADIUS server fails, or a response pack is not received by the UCME. The default behaviour is for the server to try 3 more times if the connection/response fails, which can lead to memory problems on the UCME if there are a lot of packets failing. It is possible to change the global retransmit count and also set it differently for each RADIUS server.
To change the global setting login in the UCME CLI and enter the following commands:
| Step | IOS Commands |
|---|---|
| 1 | conf t |
| 2 | radius-server retransmit 0 |
| 3 | exit |
| 4 | wr |
To change a specific RADIUS server setting log into the UCME CLI and enter the following commands:
| Step | IOS Commands |
|---|---|
| 1 | conf t |
| 2 | radis server SERVER_NAME |
| 3 | retransmit 3 |
| 4 | exit |
| 5 | wr |
With the above configuration, changes on the specific server which is entered where SERVER_NAME is will try to send data if there is a failure. All others will give up if the initial packet is lost.