Synchronize CNI secure bridge documentation
with production use.
This commit is contained in:
Maximilian Paß
@ -87,6 +87,17 @@ Additionally, we provide a [secure-bridge](./resources/secure-bridge.conflist) c
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If the path is not set up correctly or with a different name, the placement of allocations will fail in Nomad: `Constraint missing network filtered [all] nodes`. Be sure to set the "dns" and "dns-search" options in `/etc/docker/daemon.json` with reasonable defaults, for example with those shown in our [example configuration for Docker](./resources/docker.daemon.json).
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### Network range
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The default subnet range for Docker containers can be adjusted.
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This can be done both in the Docker daemon configuration and the CNI secure-bridge configuration.
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Accordingly, every container using the secure-bridge will receive an IP of the CNI configuration.
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Both subnet range configurations should not be overlapping.
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An example configuration could use `10.151.0.0/20` for all containers without the CNI secure-bridge and `10.151.16.0/20`
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for all containers using the CNI secure bridge.
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This would grant 4096 IPs to both subnets and keep 14 network range blocks of the `10.151.0.0/16` network free for future use (e.g., in other CNI configs).
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### Use gVisor as a sandbox
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We recommend using gVisor as a sandbox for the execution environments. First, [install gVisor following the official documentation](https://gvisor.dev/docs/user_guide/install/) and second, adapt the `/etc/docker/daemon.json` with reasonable defaults as shown in our [example configuration for Docker](./resources/docker.daemon.json).
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@ -11,35 +11,40 @@
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"ipMasq": true,
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"isGateway": true,
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"forceAddress": true,
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"dns":{
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"nameservers":[
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"8.8.8.8",
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"8.8.4.4",
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"2001:4860:4860::8888",
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"2001:4860:4860::8844"
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],
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"domain": "poseidon.internal",
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"search": [
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"poseidon.internal"
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]
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},
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"ipam": {
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"type": "host-local",
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"ranges": [
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[
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{
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"subnet": "172.26.80.0/20"
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"subnet": "10.151.16.0/20"
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}
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],
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[
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{
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"subnet": "fd00:2::/64"
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}
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]
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],
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"routes": [
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{ "dst": "1.0.0.0/8" },
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{ "dst": "2.0.0.0/7" },
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{ "dst": "4.0.0.0/6" },
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{ "dst": "0.0.0.0/5" },
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{ "dst": "8.0.0.0/7" },
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{ "dst": "11.0.0.0/8" },
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{ "dst": "12.0.0.0/6" },
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{ "dst": "16.0.0.0/4" },
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{ "dst": "32.0.0.0/3" },
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{ "dst": "64.0.0.0/3" },
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{ "dst": "96.0.0.0/6" },
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{ "dst": "100.0.0.0/10" },
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{ "dst": "100.128.0.0/9" },
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{ "dst": "101.0.0.0/8" },
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{ "dst": "102.0.0.0/7" },
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{ "dst": "104.0.0.0/5" },
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{ "dst": "112.0.0.0/5" },
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{ "dst": "120.0.0.0/6" },
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{ "dst": "124.0.0.0/7" },
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{ "dst": "126.0.0.0/8" },
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{ "dst": "64.0.0.0/2" },
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{ "dst": "128.0.0.0/3" },
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{ "dst": "160.0.0.0/5" },
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{ "dst": "168.0.0.0/8" },
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@ -51,42 +56,14 @@
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{ "dst": "169.248.0.0/14" },
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{ "dst": "169.252.0.0/15" },
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{ "dst": "169.255.0.0/16" },
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{ "dst": "170.0.0.0/7" },
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{ "dst": "172.0.0.0/12" },
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{ "dst": "172.32.0.0/11" },
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{ "dst": "172.64.0.0/10" },
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{ "dst": "172.128.0.0/9" },
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{ "dst": "173.0.0.0/8" },
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{ "dst": "174.0.0.0/7" },
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{ "dst": "170.0.0.0/8" },
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{ "dst": "171.0.0.0/12" },
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{ "dst": "171.32.0.0/11" },
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{ "dst": "171.64.0.0/10" },
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{ "dst": "171.128.0.0/9" },
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{ "dst": "172.0.0.0/6" },
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{ "dst": "176.0.0.0/4" },
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{ "dst": "192.0.1.0/24" },
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{ "dst": "192.0.3.0/24" },
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{ "dst": "192.0.4.0/22" },
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{ "dst": "192.0.8.0/21" },
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{ "dst": "192.0.16.0/20" },
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{ "dst": "192.0.32.0/19" },
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{ "dst": "192.0.64.0/18" },
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{ "dst": "192.0.128.0/17" },
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{ "dst": "192.1.0.0/16" },
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{ "dst": "192.2.0.0/15" },
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{ "dst": "192.4.0.0/14" },
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{ "dst": "192.8.0.0/13" },
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{ "dst": "192.16.0.0/12" },
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{ "dst": "192.32.0.0/11" },
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{ "dst": "192.64.0.0/12" },
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{ "dst": "192.80.0.0/13" },
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{ "dst": "192.88.0.0/18" },
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{ "dst": "192.88.64.0/19" },
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{ "dst": "192.88.96.0/23" },
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{ "dst": "192.88.98.0/24" },
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{ "dst": "192.88.100.0/22" },
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{ "dst": "192.88.104.0/21" },
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{ "dst": "192.88.112.0/20" },
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{ "dst": "192.88.128.0/17" },
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{ "dst": "192.89.0.0/16" },
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{ "dst": "192.90.0.0/15" },
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{ "dst": "192.92.0.0/14" },
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{ "dst": "192.96.0.0/11" },
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{ "dst": "192.0.0.0/9" },
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{ "dst": "192.128.0.0/11" },
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{ "dst": "192.160.0.0/13" },
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{ "dst": "192.169.0.0/16" },
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@ -96,47 +73,19 @@
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{ "dst": "192.192.0.0/10" },
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{ "dst": "193.0.0.0/8" },
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{ "dst": "194.0.0.0/7" },
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{ "dst": "196.0.0.0/7" },
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{ "dst": "198.0.0.0/12" },
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{ "dst": "198.16.0.0/15" },
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{ "dst": "198.20.0.0/14" },
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{ "dst": "198.24.0.0/13" },
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{ "dst": "198.32.0.0/12" },
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{ "dst": "198.48.0.0/15" },
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{ "dst": "198.50.0.0/16" },
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{ "dst": "198.51.0.0/18" },
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{ "dst": "198.51.64.0/19" },
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{ "dst": "198.51.96.0/22" },
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{ "dst": "198.51.101.0/24" },
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{ "dst": "198.51.102.0/23" },
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{ "dst": "198.51.104.0/21" },
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{ "dst": "198.51.112.0/20" },
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{ "dst": "198.51.128.0/17" },
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{ "dst": "198.52.0.0/14" },
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{ "dst": "198.56.0.0/13" },
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{ "dst": "198.64.0.0/10" },
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{ "dst": "198.128.0.0/9" },
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{ "dst": "199.0.0.0/8" },
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{ "dst": "200.0.0.0/7" },
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{ "dst": "202.0.0.0/8" },
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{ "dst": "203.0.0.0/18" },
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{ "dst": "203.0.64.0/19" },
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{ "dst": "203.0.96.0/20" },
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{ "dst": "203.0.112.0/24" },
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{ "dst": "203.0.114.0/23" },
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{ "dst": "203.0.116.0/22" },
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{ "dst": "203.0.120.0/21" },
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{ "dst": "203.0.128.0/17" },
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{ "dst": "203.1.0.0/16" },
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{ "dst": "203.2.0.0/15" },
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{ "dst": "203.4.0.0/14" },
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{ "dst": "203.8.0.0/13" },
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{ "dst": "203.16.0.0/12" },
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{ "dst": "203.32.0.0/11" },
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{ "dst": "203.64.0.0/10" },
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{ "dst": "203.128.0.0/9" },
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{ "dst": "204.0.0.0/6" },
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{ "dst": "208.0.0.0/4" }
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{ "dst": "196.0.0.0/6" },
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{ "dst": "200.0.0.0/5" },
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{ "dst": "208.0.0.0/4" },
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{ "dst": "224.0.0.0/3" },
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{ "dst": "::/1" },
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{ "dst": "8000::/2" },
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{ "dst": "c000::/3" },
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{ "dst": "e000::/4" },
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{ "dst": "f000::/5" },
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{ "dst": "f800::/6" },
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{ "dst": "fe00::/9" },
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{ "dst": "fec0::/10" },
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{ "dst": "ff00::/8" }
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]
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}
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},
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