Bug ID 721016: vcmpd fails updating VLAN information on vcmp guest

Last Modified: Jul 12, 2023

Affected Product(s):
BIG-IP vCMP(all modules)

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,

Fixed In:

Opened: May 21, 2018

Severity: 3-Major


VLANs are not properly attached to a vCMP guest. They are absent from the VLAN shared memory segment. In the host /var/log/ltm, this message is observed: err vcmpd[7839]: 01510004:3: Error updating vlan shm seg: -39 In the guest, these messages are observed: warning chmand[8827]: 012a0004:4: VcmpShmIntf::querySeg: err code -30 warning chmand[8827]: 012a0004:4: readShmData: vCmpShmIntf: Query segment error warning chmand[8827]: 012a0004:4: VcmpShmIntf::querySeg: err code -30


Cannot use newly deployed VLAN in the guest. Running the following command does not show the attached VLANs. $ tmsh list net vlan in the guest


-- vCMPd provisioned on a BIG-IP system. -- vCMP guests deployed. -- More than 3259 VLANs attached to guests from host.



Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips