Network

Who provides the DHCP service for ZStack?
The flat network service provider provides the distributed DHCP service for the flat network, vRouter network, and VPC network of ZStack.
Mon, 28 Mar, 2022 at 3:02 PM
How do a host and VM instance ping each other?
A host and VM instance can ping each other as long as they belong to the same L2 network and share the same IP range. Note that the L2 network can be either...
Mon, 28 Mar, 2022 at 3:02 PM
How load balancing is planned in ZStack? Does the Cloud support business plans such as NetScaler?
ZStack provides the load balancing service by using VPC vRouters or regular vRouters. The load balancing service mainly uses VIPs to distribute traffics to ...
Mon, 28 Mar, 2022 at 3:03 PM
When I create an L2 network in ZStack, can I assign multiple VLANs to a physical NIC? Should I configure the corresponding switch to the trunk mode?
Yes, you can. Ports 1- 4094 are available. ZStack allows you to create multiple L2 VLAN networks on a NIC. After you connect to a switch, configure it to th...
Mon, 28 Mar, 2022 at 3:03 PM
I completed the VLAN settings, but the VLANs cannot communicate with each other. After the system enables iptables, do I need to add some other configurations to ensure VLAN communication?
The VLAN communication needs to be configured on the corresponding switch.
Mon, 28 Mar, 2022 at 3:03 PM
How do I log in to a VPC vRouter or regular vRouter?
The user name and password are required to log in to a vRouter. You can set the login password of a vRouter by going to Settings > Global Settings > B...
Mon, 28 Mar, 2022 at 3:04 PM
How do I troubleshoot if an elastic IP address is not available?
Check whether the default gateway inside the VM instance is configured and reachable. Check whether the physical link is reachable. Make sure that the cor...
Mon, 28 Mar, 2022 at 3:05 PM
When I create an L2 network, I failed to attach a cluster. Why?
Check whether the NIC name is filled in correctly. Before you can create an L2 network, make sure that hosts in the same cluster have the same NIC name.
Mon, 28 Mar, 2022 at 3:05 PM
If the NIC bonding is set incorrectly, how can I modify the setting?
Take bond0 as an example. Run the following commands in sequence to delete the incorrect bond: [root@host ~]# ip link set br_XXX down //Stop the bridge y...
Mon, 28 Mar, 2022 at 3:05 PM
Does ZStack support IPv6?
ZStack 3.1.0 and later versions support IPv6. When you create a VM instance, you can select different types of IP addresses, such as IPv4, IPv6, and IPv4+IP...
Mon, 28 Mar, 2022 at 3:06 PM