| /proc/sys/net/conf/<iface>/seg6_* variables: | |
| seg6_enabled - BOOL | |
| Accept or drop SR-enabled IPv6 packets on this interface. | |
| Relevant packets are those with SRH present and DA = local. | |
| 0 - disabled (default) | |
| not 0 - enabled | |
| seg6_require_hmac - INTEGER | |
| Define HMAC policy for ingress SR-enabled packets on this interface. | |
| -1 - Ignore HMAC field | |
| 0 - Accept SR packets without HMAC, validate SR packets with HMAC | |
| 1 - Drop SR packets without HMAC, validate SR packets with HMAC | |
| Default is 0. |