#Bandwidth Monitor
###bandwidth_monitor.pl
By default the script will walk a device (specified via -H flag) with the community of
public and generate a table of interfaces for you to pick. Then it
will poll the traffic stats (64bit by default, falls back to 32bit).
Run with -h for more options
Requires:
- Net::SNMP
- Text::TabularDisplay
Example usage
Example of running the script:
$ ./bandwidth_monitor.pl -H tardis -c myReadCommunity
Available interfaces:
+---------+----------------+---------------+
| SNMP ID | INTERFACE | ALIAS |
+---------+----------------+---------------+
| 507 | vlan.3 | |
| 508 | ge-0/0/0 | wan |
| 509 | ge-0/0/0.0 | |
| 510 | ge-0/0/1 | wifi-router |
| 511 | fe-0/0/2 | |
| 512 | ge-0/0/1.0 | |
| 513 | fe-0/0/3 | backup-wan |
| 514 | fe-0/0/4 | |
| 515 | fe-0/0/2.0 | |
| 516 | fe-0/0/5 | |
| 517 | fe-0/0/3.0 | |
| 518 | fe-0/0/6 | |
| 519 | fe-0/0/7 | |
| 520 | fe-0/0/4.0 | |
| 521 | fe-0/0/5.0 | |
| 525 | ip-0/0/0 | he.net-tunnel |
+---------+----------------+---------------+
Which interface do you want to monitor (SNMP ID)?
Select an interface (example 508), hit return, and wait and you should see:
+----------+------------+-------------+------------+------------+
| Time | Octets In | Octects Out | KB/s In | KB/s Out |
+----------+------------+-------------+------------+------------+
| 18:29:18 | 2578355749 | 2512183235 | 40838.951 | 3728.711 |
| 18:29:21 | 2579527226 | 2512510463 | 3050.721 | 852.156 |
| 18:29:24 | 2579917760 | 2514998893 | 1017.016 | 6480.286 |
| 18:29:27 | 2683313664 | 2516496963 | 269260.167 | 3901.224 |
| 18:29:30 | 2769125980 | 2519428352 | 223469.573 | 7633.826 |
| 18:29:33 | 2771600806 | 2519845916 | 6444.859 | 1087.406 |
| 18:29:36 | 2869527446 | 2521448643 | 255017.292 | 4173.768 |
| 18:29:39 | 2874233092 | 2523214797 | 12254.286 | 4599.359 |
+----------+------------+-------------+------------+------------+