snmppoll

Almost realtime (5 sec interval) ifIn/OutOctets poller.

Examples

$ ./poll.pl hostname community
Interfaces found: 
511   ge-1/0/0        
512   ge-1/0/1        
513   ge-1/0/2        <ifAlias removed>
514   ge-1/0/3        <ifAlias removed>
515   ge-1/0/2.0      
516   ge-1/0/3.0      
517   ge-1/1/0        <ifAlias removed>
518   ge-1/1/1        
519   ge-1/1/0.0      

Enter ifindexes to monitor, separated by whitespace: 523 513
1347907338 ge-4/1/0-in    ge-4/1/0-out   ge-1/0/2-in    ge-1/0/2-out   
1347907343 955 069 310    1 388 067 529  147 269 173    135 724 521    
1347907348 1 459 875 037  2 092 862 834  97 604 888     99 948 156     
^C

Maximum values recorded:
ge-4/1/0-in    ge-4/1/0-out   ge-1/0/2-in    ge-1/0/2-out   
1 459 875 037  2 092 862 834  147 269 173    135 724 521    

Caveats

Some platforms are only updating interface counters every 10 or more seconds. It is safe to increase sleep interval by modifying code but it should really be configurable.

License

MIT License. Copyright 2012 Tarko Tikan.