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Cisco Bug: CSCum82485 - Nexus 5500/6000: L2FM messages seen

Last Modified

Feb 16, 2018

Products (7)

  • Cisco Nexus 5000 Series Switches
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 6004 Switch
  • Cisco Nexus 6001 Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5596T Switch

Known Affected Releases

7.0(0)N1(1)

Description (partial)

In a Nexus 5500/6000 switch running NX-OS 7.0(0)N1(1), messages such as following can be seen

%ADJMGR-3-MAC_REG_FAILED:  adjmgr [3745]  Mac registration with L2FM failed for mac 002a.6a35.b341, iod Vlan250, phy iod: Gateway Port-Channel1:186
 %ADJMGR-3-MAC_REG_FAILED:  adjmgr [3745]  Mac registration with L2FM failed for mac 00d0.03eb.2000, iod Vlan60, phy iod: Ethernet131/1/15In a Nexus 5500/6000 switch running NX-OS 7.0(0)N1(1), messages such as following can be seen

%ADJMGR-3-MAC_REG_FAILED:  adjmgr [3745]  Mac registration with L2FM failed for mac 002a.6a35.b341, iod Vlan250, phy iod: Gateway Port-Channel1:186
 %ADJMGR-3-MAC_REG_FAILED:  adjmgr [3745]  Mac registration with L2FM failed for mac 00d0.03eb.2000, iod Vlan60, phy iod: Ethernet131/1/15

If you check the following internal command to check if the mac-move notification is enabled or not. If its not enabled then the syslog message "Mac registration with L2FM failed" would be seen.
 
6001-B(config)# show platform fwm info global | grep move
                 Mac move notify enabled      : 0
6001-B(config)#

Symptom:In a Nexus 5500/6000 switch running NX-OS 7.0(0)N1(1), messages such as following can be seen

%ADJMGR-3-MAC_REG_FAILED:  adjmgr [3745]  Mac registration with L2FM failed for mac 002a.6a35.b341, iod Vlan250, phy iod: Gateway Port-Channel1:186
 %ADJMGR-3-MAC_REG_FAILED:  adjmgr [3745]  Mac registration with L2FM failed for mac 00d0.03eb.2000, iod Vlan60, phy iod: Ethernet131/1/15

If you check the following internal command to check if the mac-move notification is enabled or not. If its not enabled then the syslog message "Mac registration with L2FM failed" would be seen.
 
6001-B(config)# show platform fwm info global | grep move
                 Mac move notify enabled      : 0
6001-B(config)#

Conditions:Usually seen when a host comes online and ARPs

Related Community Discussions

Mac registration with L2FM failed
My Logfile on Nexus 6K is fiilled with Logs like below: Nexus Version is: 7.0(3)N1(1) 2014 Sep 12 14:49:11 Nexus-6K %ADJMGR-3-MAC_REG_FAILED:  adjmgr [3727]  Mac registration with L2FM failed for mac xxxx.xxxx.xxxx, iod Vlan191, phy iod: port-channel169 2014 Sep 12 14:49:24 Nexus-6K %ADJMGR-3-MAC_REG_FAILED:  adjmgr [3727]  Mac registration with L2FM failed for mac xxxx.xxxx.xxxx, iod Vlan108, phy iod: port-channel91 2014 Sep 12 14:49:36 Nexus-6K %ADJMGR-3-MAC_REG_FAILED:  adjmgr [3727]  Mac registration ...
Latest activity: Jan 20, 2017
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