| RFC Number | RFC Name | SLX 9150/SLX 9250, Extreme 8520/Extreme 8720 | SLX 9540 | SLX 9640 | SLX 9740/Extreme 8820 |
|---|---|---|---|---|---|
| RFC 2545 | Use of BGP-MP for IPv6 | X | X | X | X |
| RFC 5308 | Routing IPv6 with IS-IS | X | X | X | X |
| RFC 5340 | OSPFv3 for IPv6 | X | X | X | X |
| RFC 6164 | Using 127-Bit IPv6 Prefixes on Inter-Router Links | X | X | X | X |
| RFC 8106 | Support for IPv6 Router Advertisements with DNS Attributes | X | X | X | X |