Agree with Daan. The provided information is not enough to conclude what's wrong.
What's the cloudstack version ? Can you check if the following works or not ? - connectivity between cloudstack VR and VMs (use private IP) - source nat IP of cloudstack VPC VR is reachable from the Internet - source nat IP of cloudstack VPC VR is reachable from VMs - other public IPs in the VPC What is the network ACL of VPC tiers ? -Wei On Fri, Apr 25, 2025 at 12:00 PM Daan Hoogland <daan.hoogl...@gmail.com> wrote: > Sanjay, > > Can you check the logs for the routers? > Also check if these routers are on a specific host as opposed to > functioning routers. > > Your description is a bit vague still to give conclusive answers so > more investigation is needed. > > regards, > > On Wed, Apr 23, 2025 at 10:39 AM Sanjay Kumar <sslinuxp...@gmail.com> > wrote: > > > > Hi Team, > > > > Please help on connectivity issue of virtual router of cloudstack. > > > > > > On Thu, Apr 17, 2025 at 11:21 AM Sanjay Kumar <sslinuxp...@gmail.com> > wrote: > > > > > Hello all, > > > > > > We have observed recurring issue that has been observed recently in the > > > CloudStack environment we use for hosting virtual machines. > > > > > > Specifically, we have identified that certain Virtual Routers lose > > > internet connectivity, which causes disruptions to services such as > VPNs > > > and other network-dependent functions. This issue was first noticed > with > > > the infrastructure of the customer1 vpc. For the customer2 vpc case, we > > > resolved the issue by recreating the VPC along with the associated > guest > > > networks. > > > > > > 1. Connectivity Issues: > > > > > > Check IP Ranges and Netmasks: > > > > > > Connectivity Checks: > > > We use ping, arping, and traceroute within the virtual router to test > > > connectivity to other VMs and external networks. > > > > > > Virtual Router Diagnostics: > > > we did run "Run Diagnostics" and "Get Diagnostics" features as well but > > > not getting any result. > > > > > > 2. Virtual Router Issues: > > > > > > Force Stop and Restart: > > > > > > We have tried but no luck. > > > > > > Destroy and Recreate: > > > > > > We have tried but no luck. > > > > > > DHCP Problems: > > > > > > There is no issue with dhcp. > > > > > > 3. Network Configuration: > > > > > > Network connection also ok. > > > > > > Any help would be really appreciated. Thank you! > > > > > > > > > Regars, > > > SK > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > Daan >
