The following table shows the Extreme switch platforms and the ExtremeXOS software versions that provide hardware forwarding support for IPv6 unicast features.
| Switch Model | ExtremeXOS Release | Features |
|---|---|---|
| ExtremeSwitching X440-G2 series | ExtremeXOS 21.1 and later | IPv6 Unicast forwarding |
| Summit X450-G2 series | ExtremeXOS 16.1 and later |
IPv6 Unicast forwarding IPv6 tunneling |
| Summit X460-G2 | ExtremeXOS 15.6 and later |
IPv6 Unicast forwarding IPv6 tunneling |
| ExtremeSwitching X620 series | ExtremeXOS 21.1 and later | IPv6 Unicast forwarding |
| Summit X670-G2 series | ExtremeXOS 15.6 and later |
IPv6 Unicast forwarding IPv6 tunneling |
| Summit X770 series | ExtremeXOS 15.4 and later |
IPv6 Unicast forwarding IPv6 tunneling |