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Cisco Bug: CSCuw27160 - RF Grouping Algorithm's update interval is not synchronized between the Cisco controllers

Last Modified

May 21, 2018

Products (1)

  • Cisco 5500 Series Wireless Controllers

Known Affected Releases

8.0(120.0) 8.1(131.0)

Description (partial)

Symptom:
Cosmetic Bug. The RF group leader will display an update interval but the the RF members will display a different one.
(wism2-2-econ) >show advanced 802.11b group

802.11b Radio RF Grouping
  RF Group Name.................................. RF-GROUP
  RF Protocol Version(MIN)....................... 100(30)
  RF Packet Header Version....................... 2
  Group Role(Mode)............................... LEADER(AUTO)
  Group State.................................... Idle
  Group Update Interval.......................... 600 seconds
  Group Leader................................... wism2-2-econ (10.1.2.20) (::)
  Group Member
                ................................. wism2-1-econ (10.1.2.18)
                ................................. wism2-2-econ (10.1.2.20)
                ................................. wism2-2-rgnt (10.1.2.68)
  Maximum/Current number of Group Member......... 20/3
  Maximum/Current number of AP................... 2000/768
  Last Run....................................... 67 seconds ago

(wism2-2-rgnt) >show advanced 802.11b group

802.11b Radio RF Grouping
  RF Group Name.................................. RF-GROUP
  RF Protocol Version(MIN)....................... 100(30)
  RF Packet Header Version....................... 2
  Group Role(Mode)............................... MEMBER(AUTO)
  Group State.................................... Group Member
  Group Update Interval.......................... 300 seconds
  Group Leader................................... wism2-2-econ (10.1.2.20) (::)
  Group Member
                ................................. wism2-1-econ (10.1.2.18)
                ................................. wism2-2-econ (10.1.2.20)
                ................................. wism2-2-rgnt (10.1.2.68)


(wism2-1-econ) >show advanced 802.11b group

802.11b Radio RF Grouping
  RF Group Name.................................. RF-GROUP
  RF Protocol Version(MIN)....................... 100(30)
  RF Packet Header Version....................... 2
  Group Role(Mode)............................... MEMBER(AUTO)
  Group State.................................... Group Member
  Group Update Interval.......................... 300 seconds
  Group Leader................................... wism2-2-econ (10.1.2.20) (::)
  Group Member
                ................................. wism2-1-econ (10.1.2.18)
                ................................. wism2-2-econ (10.1.2.20)
                ................................. wism2-2-rgnt (10.1.2.68)

Conditions:
None in specific

Related Community Discussions

RF Group update interval time
I am doing an audit on 4 controllers and found that on one of them the RF group update time interval is 300 seconds, which is half of the default.  I am trying to figure out how and why this is the case and what it matters.
Latest activity: Nov 10, 2016
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