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IPv6 and /128 loopback with Gaia

We are trying to assign a /128 IPv6 address for a loopback interface in Gaia. We receive an error that the 128 subnet mask is not allowed and through trial and error discovered that only a /64 seems to work. Is there any kind of workaround to allow us to use a /128 subnet mask for loop00?

3 Replies

Re: IPv6 and /128 loopback with Gaia

You should see by default ::1/128 in lo interface details and able to ping it. 

In R80.10 gateway you can add/128 interface. Can you share the error?

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Re: IPv6 and /128 loopback with Gaia

The built in loopback works but not the new one we make. When we try making a new loopback interface with global ipv6 address 2xxx:xxxx:xxxx::1/128 we get the error.

With IPv4 we have a loopback interface added with IP address 172.16.xxx.xxx/32 and it works, it seems to be only /128's with v6 that are broken and not /32's with v4.

Re: IPv6 and /128 loopback with Gaia

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