| Tunable Name | Description | Value | New |
|---|---|---|---|
| net.inet.ip.redirect | Enable sending IP redirects | 0 | required |
| net.inet6.ip6.redirect | Send ICMPv6 redirects for unforwardable IPv6 packets | 0 | required |
| net.link.bridge.pfil_member | Packet filter on the member interface | 0 | if you have bridge |
| net.link.bridge.pfil_bridge | Packet filter on the bridge interface | 1 | if you have bridge |