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check_bandwidth3

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FileDescription
check_bandwidth-3.0.0rc2.tar.gzcheck_bandwidth3 3.0.0rc2 (Current Release)
check_bandwidth-1.1.2.tar.gzcheck_bandwidth 1.1.2 (Last Stable 1.x.x Release)
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Poll (via SNMP) one or more interfaces on one or more devices (with each device supporting a different protocol and access control) checking to see of the ports are active and monitor bandwidth. Check a single port, or monitor two or more at the same time on different devices (bandwidth will be aggregated) - great if you have servers, etc. with multiple network ports and want to monitor their overall usage.
See the Changelog in the README file for all the updates and changes made between versions
check_bandwidth3


Originally based on check_traffic and check_snmp_cisco_ifstatus (as both had features that I needed, but neither were quite right for me), check_bandwidth3 is now a rewrite of the original check_bandwidth (but still using the Net::SNMP library), taking in the best bits of v1 and v2, as well as taking a whole new look at how to check and monitor network connections and usage.

Using the new-syntax --interface command, you can work your way from checking just a single interface on one device, to checking two or more interfaces on the same device, or even checking one or more interfaces on two or more devices! If you had a server with six network ports, with two connections to three switches, you could check them all with a single command and monitor it's overall network usage!

For example:

check_bandwidth3 --interface v1://switch.example.com/read.only.access:11

would check the 11th interface on switch.example.com using the read.only.access community over the snmpv1 protocol. Using

check_bandwidth3 --interface v2://switch.example.com/read.only.access:11,12

you could check the 11th AND 12th interfaces on switch.example.com, again, over the read.only.access community, but this time using the snmpv2c protocol, allowing support for 64-bit counters! If both ports were receiving data at 1Mbps at the same time, the script would report an overall usage of 2Mbps. But, with:

check_bandwidth3
--interface v2://switch_a.example.com/switch.ro:3
--interface v3://user:pa55@switch_b.example.com/5,6

you can check the 3rd interface on switch_a using the snmpv2c protocol (on the switch.ro community) AND both the 5th and 6th interfaces on switch_b, using the snmpv3 protocol with a username and password this time. If switch_a was reporting 5Mbps on interface 3 of switch_a and 1Mbps on both 5 and 6 of switch_b, the script would report 7Mbps.

Cache storage is still available (with monitoring of data time-out for 32-bit counters), while --on-the-fly can be used to ignore cached (both reading and saving), and --pause is available to control the delay between checks.

The program can output in either bits (by default) or bytes (using --use-bytes) and will convert all values into human-readable format by default (i.e. Kb, Mb, Gb...), unless forced to use Mb for all output with --use-mega.

Finally, warning & critical status reports can be set independently for each direction (which can be reversed with --reverse, to change the perspective of the output, e.g. reporting it as coming from the server, rather than coming into the switch), as well as being calculated as a percentage of available bandwidth or as an absolute value (by specifying a suffix, such as 10M for 10-Megabits, or 10-Megabytes if --use-bytes specified).

Any and all feedback across all versions is most welcome
Reviews (4)
byehj, January 29, 2015
I use it for my Palo Alto bandwidth check
Thanks.
byFuzz, August 27, 2012
I was looking for some kind of plugin for BW measurement on my cisco routers and finally find one! No additional MRTG and other needed - perfect. Thanks.
Gives " Out: 0.00bps: In: 0.00bps" on Win Server 2008, 64 bit
byMajed, July 31, 2011
1 of 1 people found this review helpful
works well for a win 7 32 bit monitoring bandwidth on a physical network card but gives 0.00 on win server 2003 64bit it seems to still have an issue with 64 bit operating systems might want to check on that. i'm using the latest release.