How can I see the status of my ports?

There are two ways to do this, either though listening for traps or by proactively polling the device. If your device supports the linkUp/Down standard traps then you can do this. Usually you have to enable this on the router and tell it which IP address to send the traps to. You'll need to add filters to SNMPc if you wish to take actions on these traps. You do this in the Event tab of the SNMPc selection tool window. You can find the linkUp/Down traps under the snmpTraps folder and or the frame relay trap frDLCIStatusChange under the frame-relay folder. For the link traps, you can just add a filter to the down trap and set the actions you want (priority, beep, page, email, etc). In the frame relay trap, there is only one trap and you'll have to check the value of the returned variable to determine if it is a good or bad trap. You'll want to add a new filter for this trap, type in the message you want displayed, and then in the Match tab click on the frCircuitState variable and set the value to "inactive". Now, whenever you get one of these traps when the circuit goes into the inactive state, the incoming trap will match this filter and perform whatever actions you set.

If you can't get the device to send you traps or you want to poll for status, you can monitor the circuits by creating link objects in your SNMPc maps. You can right click on them and bring up the properties. You'll notice that the links have an IP address and SNMP access rights associated with them the same as the nodes do. You can set it up to poll a status var such as ifOperStatus.# to check the link state of an interface (replace the # with the number of the port you want to poll). The OK value should be set to "up". Also check that you have the poll interval for the link object set to a non-zero value. Once you have this done, you will set up filters in the Snmpc-Status-Polling/pollStatusTestFail & pollStatusTestPass events. You can change the default filter if you are only going to be monitoring port status. If you're going to set up polling for multiple variables, you should add a new filter and in the Match tab, set the alarmVariable match filter to "ifOperStatus*" (the * is the wildcard character and will match any port instance).

If you have any questions about these methods please let me know. If you need help on how to configure the filters and how to perform certain actions, please take a look in the SNMPc Getting Started Guide in the "Emailing or Paging the Administrator on an Event".

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