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Routing issue in NAT environment


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Hello everyone,

We’re stuck in network issue based on NAT.

Could you judge if this is a supported NAT environment?

 

 

For all clients in Classic Network, no issue in performing the backup job.

For VPN Network,

Communication works well between CS/MA and client using NAT IP.

A client is installed by push install from CS.

8400~8403 ports are opened mutually between CS/MA and a client in VPN Network. (cvping)

We can browse the content on a client in VPN so can create a new subclient.

 

CS/MA use the IP address 100.67.1.93  as a client IP instead of 10.67.1.93 for connection.

A client in VPN uses IP address 169.254.84.181/180 as CS/MA IP instead of 10.x.x.x.

This is an extraordinary network configuration.

 

But backup job is not working well. 

It showed this error message once we performed backup job in person.

 

I’m not sure if this config is supported or not.

Could you give me any advice?

Thanks.

Best answer by Aplynx

Use shortname on both sides and let the nat’ing do the work

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3 replies

Mike Struening
Vaulter
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@Hongmo Kim , do you have any network routes configured?

https://documentation.commvault.com/2022e/expert/7170_network_routes.html

  • Support for port-forwarding routers. Multiple CommCell components on the internal network can be exposed to the outside world via a single gateway IP address, through support for network address translation (NAT). Roaming clients can reach specific internal machines by opening tunnel or data connections to specific ports configured on a port-forwarding gateway.


Aplynx
Vaulter
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  • Vaulter
  • 291 replies
  • Answer
  • July 28, 2022

Use shortname on both sides and let the nat’ing do the work


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  • Author
  • Vaulter
  • 30 replies
  • July 28, 2022

@Aplynx 

Could you walk me through a bit more .. for example?


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