Werk #6400: brocade_fcport: fix for the calculation of received and transmitted bytes per second

Component	Checks & agents
Title	brocade_fcport: fix for the calculation of received and transmitted bytes per second
Date	Aug 21, 2018
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.6.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.6.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.6.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.6.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.6.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.6.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.5.0p3 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.4.0p36 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

Beginning from firmware version 8 the tx/rxwords are no longer available. Therefore, the values from FCMGMT-MIB are used for the calculation of the received and transmitted bytes per second in this case. However, the conversion of the octet string delivered by SNMP was not performed properly and a conversion factor for the transition between octets and words was missing. This lead to unrealistic values in the order of TB/s on some devices. This werk corrects the conversion of the octet string and introduces the missing conversion factor so that the correct port speeds are reported for new firmware versions as well.

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