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README.md
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README.md
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# docker-mdns-repeater-mikrotik
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# docker-mdns-repeater-mikrotik
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mdns-repeater in mikrotik container
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Based on:
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https://github.com/geekman/mdns-repeater
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https://github.com/monstrenyatko/docker-mdns-repeater
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This is work in progress, but you can base your config on that.
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Save Image as Tar.gz
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## Mikrotik config
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Based on official docs https://help.mikrotik.com/docs/display/ROS/Container
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Instead of adding `veth2` to docker bridge i've added it to my home-lan bridge `BR1`.
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Veth2 is added as tagged port with two vlans (20,100), so in container on `eth0` i will create two vlan interfaces `eth0.20` and `eth0.100` with active dhcp client for IP leese, please look at `run.sh`.
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```
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```bash
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/interface/bridge/port/print
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docker save registry.mgrote.net/mdns-repeater-mikrotik:latest -o ./mdns-repeater-mikrotik:latest.tgz
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Flags: I - INACTIVE; H - HW-OFFLOAD
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Columns: INTERFACE, BRIDGE, HW, PVID, PRIORITY, PATH-COST, INTERNAL-PATH-COST, HOR
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IZON
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# INTERFACE BRIDGE HW PVID PRIORITY PATH-COST IN HORIZON
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10 veth2 BR1 1 0x80 10 10 none
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/interface/bridge/vlan/print
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Flags: D - DYNAMIC
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Columns: BRIDGE, VLAN-IDS, CURRENT-TAGGED, CURRENT-UNTAGGED
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# BRIDGE VLAN-IDS CURRENT-TAGGED CURRENT-UNTAGGED
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0 BR1 100 BR1
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veth2
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3 BR1 20 BR1
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veth2
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4 D BR1 1 BR1
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veth2
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```
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## Build & pack container
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```
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docker buildx build --no-cache --platform linux/arm/v6 -t mdns .
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docker save mdns -o mdns.tar
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8.8M mdns.tar # size after pack
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```
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## Logs from running container
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```
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log print where topics~"container"
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jun/29 22:01:28 container,info,debug create interface eth0.20
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jun/29 22:01:28 container,info,debug bring up eth0.20 interface
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jun/29 22:01:28 container,info,debug /app/run.sh: line 25: kill: (19) - No such process
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jun/29 22:01:28 container,info,debug starting dhcp client on eth0.20
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jun/29 22:01:28 container,info,debug udhcpc: started, v1.35.0
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jun/29 22:01:29 container,info,debug udhcpc: broadcasting discover
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jun/29 22:01:29 container,info,debug udhcpc: broadcasting select for 10.0.20.27, server 10.0.20.1
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jun/29 22:01:29 container,info,debug udhcpc: lease of 10.0.20.27 obtained from 10.0.20.1, lease time 86400
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jun/29 22:01:29 container,info,debug create interface eth0.100
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jun/29 22:01:29 container,info,debug bring up eth0.100 interface
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jun/29 22:01:29 container,info,debug /app/run.sh: line 25: kill: (34) - No such process
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jun/29 22:01:29 container,info,debug starting dhcp client on eth0.100
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jun/29 22:01:29 container,info,debug udhcpc: started, v1.35.0
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jun/29 22:01:29 container,info,debug udhcpc: broadcasting discover
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jun/29 22:01:30 container,info,debug udhcpc: broadcasting select for 10.0.100.244, server 10.0.100.1
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jun/29 22:01:30 container,info,debug udhcpc: lease of 10.0.100.244 obtained from 10.0.100.1, lease time 86400
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jun/29 22:01:30 container,info,debug + exec /bin/mdns-repeater -f eth0.20 eth0.100
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jun/29 22:01:30 container,info,debug mdns-repeater: dev eth0.20 addr 10.0.20.27 mask 255.255.255.0 net 10.0.20.0
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jun/29 22:01:30 container,info,debug mdns-repeater: dev eth0.100 addr 10.0.100.244 mask 255.255.255.0 net 10.0.100.0
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jul/01 21:49:34 container,info,debug bring up eth0.20 interface
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jul/01 21:49:34 container,info,debug /app/run.sh: line 25: kill: (22) - No such process
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jul/01 21:49:34 container,info,debug starting dhcp client on eth0.20
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jul/01 21:49:34 container,info,debug udhcpc: started, v1.35.0
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jul/01 21:49:34 container,info,debug udhcpc: broadcasting discover
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jul/01 21:49:34 container,info,debug udhcpc: broadcasting select for 10.0.20.27, server 10.0.20.1
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jul/01 21:49:34 container,info,debug udhcpc: lease of 10.0.20.27 obtained from 10.0.20.1, lease time 86400
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jul/01 21:49:34 container,info,debug bring up eth0.100 interface
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jul/01 21:49:34 container,info,debug /app/run.sh: line 25: kill: (40) - No such process
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jul/01 21:49:34 container,info,debug starting dhcp client on eth0.100
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jul/01 21:49:34 container,info,debug udhcpc: started, v1.35.0
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jul/01 21:49:34 container,info,debug udhcpc: broadcasting discover
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jul/01 21:49:35 container,info,debug udhcpc: broadcasting select for 10.0.100.244, server 10.0.100.1
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jul/01 21:49:35 container,info,debug udhcpc: lease of 10.0.100.244 obtained from 10.0.100.1, lease time 86400
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jul/01 21:49:35 container,info,debug + exec /bin/mdns-repeater -f eth0.20 eth0.100
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jul/01 21:49:35 container,info,debug mdns-repeater: dev eth0.20 addr 10.0.20.27 mask 255.255.255.0 net 10.0.20.0
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jul/01 21:49:35 container,info,debug mdns-repeater: dev eth0.100 addr 10.0.100.244 mask 255.255.255.0 net 10.0.100.0
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```
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```
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