Hi, My question: when I run following command: [wrsroot@controller-0 ~(keystone_admin)]$ system host-if-modify -p providernet-a -c data compute-0 eth1000 The console printf following info: Interface not found: host compute-0 if eth1000. ========================================================================================================================== My current environment: +++++++++++++++++++++++++++++++++++++++++++++++++++ In compute-0: compute-0:~$ ifconfig eth1000: 192.168.204.23 lo: 127.0.0.1 ++++++++++++++++++++++++++++++++++++++++++++++++++++ In controller-0: controller-0:~$ ifconfig enp2s1: 10.10.10.3 enp2s2: 192.168.204.3 lo: 127.0.0.1 +++++++++++++++++++++++++++++++++++++++++++++++++++ ===================================================== By the way, I have tested that compute-0 and controller-0 can communicate with each other. I unlock the compute-0 nodes because of this problem. Please give me some tips or help Thanks again, Longqian.