GitHub user btzq added a comment to the discussion: Virtual machine on different hosts but in same isolated network not able to communicate (can't ping each other).
Hi All, We managed to resolve our issue. Upon further checking, we found out that the VXLAN in Host 6 was down, while other VXLANs were up and running fine. This would explain why: - Only VMs from certain networks were affected (cause cloudstack creates 1 VXLAN for each Network Tier) - LIve Migration between Node 6 and other hosts works fine (cause Live Migration uses the Management Physical Network instead of Guest Network) @dineshjchoudhary @akshaybachhav , maybe you guys should try checking this out too if the root cause is the same. When we manually bring back the VXLAN, it works. What we dont know now is, why the VXLAN suddenly went down. Ill probably raise another ticket for this. GitHub link: https://github.com/apache/cloudstack/discussions/9154#discussioncomment-9614826 ---- This is an automatically sent email for users@cloudstack.apache.org. To unsubscribe, please send an email to: users-unsubscr...@cloudstack.apache.org
