# Can't apply network interface settings from cloud-config.yml **URL:** \ **Category:** RancherOS\ **Created:** [July 7, 2016, 1:43pm UTC](https://forums.suse.com/t/cant-apply-network-interface-settings-from-cloud-config-yml/3341 "2016-07-07T13:43:34Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![beatcracker](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/beatcracker/32/1482_2.png) [@beatcracker](https://forums.suse.com/u/beatcracker)\ **Post date:** [July 7, 2016, 1:43pm UTC](https://forums.suse.com/t/cant-apply-network-interface-settings-from-cloud-config-yml/3341/1 "2016-07-07T13:43:34Z")
I have Hyper-V VM with two network interfaces, that have to be configured manually (no DHCP). I can boot RancherOS from ISO in VM and configure networking from console with `ifconfig/ip rule/ip route` and it works. But when I put required settings to `cloud-config.yml` and install RancherOS to disk usung this file, setings are not applied. After installation, `ros config get rancher.network` shows all settings, but in `ifconfig/ip rule/ip route` output there are only defaults - nothing is applied from `cloud-config.yml` and network is not available. I’ve tried RancherOS `0.5.0` and `0.4.5`, but not luck - I can’t get it working. Is there something wrong with my cloud config file? ```auto #cloud-config ssh_authorized_keys: - ssh-rsa AAAA...== hostname: HVRancher01 write_files: - path: /etc/iproute2/rt_tables permissions: 0644 owner: root content: | # # reserved values # 255 local 254 main 253 default 0 unspec # # local # #1 inr.ruhep 15 Vlan15 201 Vlan201 rancher: network: dns: override: true nameservers: - 11.201.15.1 - 8.8.8.8 - 8.8.4.4 search: - xxx.company.com interfaces: eth*: dhcp: false eth0: match: eth0 address: 11.201.15.20 gateway: 11.201.15.254 post_up: - ip route add 11.201.15.0/24 dev eth0 table Vlan15 - ip route add default table Vlan15 via 11.201.15.254 - ip route add default via 11.201.15.254 dev eth0 eth1: match: eth1 address: 11.201.201.20 post_up: - ip route add 11.201.11.0/24 via 11.201.201.254 - ip route add 11.201.254.0/24 via 11.201.201.254 - ip route add default table Vlan201 via 11.201.201.254 pre_cmds: - ip rule add from 11.201.201.0/24 table Vlan201 - ip rule add from 11.201.15.0/24 table Vlan15 services: rancher-server: image: rancher/server restart: always ports: - 8080:8080 ``` ---
**Author:** ![beatcracker](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/beatcracker/32/1482_2.png) [@beatcracker](https://forums.suse.com/u/beatcracker)\ **Post date:** [July 7, 2016, 3:39pm UTC](https://forums.suse.com/t/cant-apply-network-interface-settings-from-cloud-config-yml/3341/2 "2016-07-07T15:39:33Z")
Ok, this is ugly as hell, but I’ve been able to provision RancherOS using `start.sh` script: ```auto #cloud-config ssh_authorized_keys: - ssh-rsa AAAA...== hostname: HVRancher01 write_files: - path: /etc/iproute2/rt_tables permissions: "0644" owner: root content: | # # reserved values # 255 local 254 main 253 default 0 unspec # # local # #1 inr.ruhep 15 Vlan15 201 Vlan201 - path: /opt/rancher/bin/start.sh permissions: "0755" owner: root content: | #!/bin/bash # # routing rules ip rule add from 11.201.201.0/24 table Vlan201 ip rule add from 11.201.15.0/24 table Vlan15 # # interface configuration ifconfig eth1 11.201.201.20 netmask 255.255.255.0 ifconfig eth0 11.201.15.20 netmask 255.255.255.0 # # routes ip route add 11.201.15.0/24 dev eth0 table Vlan15 ip route add default table Vlan15 via 11.201.15.254 ip route add default via 11.201.15.254 dev eth0 ip route add 11.201.11.0/24 via 11.201.201.254 ip route add 11.201.254.0/24 via 11.201.201.254 ip route add default table Vlan201 via 11.201.201.254 # # end rancher: network: dns: override: true nameservers: - 11.201.15.1 - 8.8.8.8 - 8.8.4.4 search: - xxx.company.com services: rancher-server: image: rancher/server restart: always ports: - 8080:8080 ``` I still hope that there is a better way to do this… ---
**Author:** ![beatcracker](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/beatcracker/32/1482_2.png) [@beatcracker](https://forums.suse.com/u/beatcracker)\ **Post date:** [July 8, 2016, 3:41pm UTC](https://forums.suse.com/t/cant-apply-network-interface-settings-from-cloud-config-yml/3341/3 "2016-07-08T15:41:32Z")
Finally, I’ve figured that out: IP addresses have to be in CIDR notation, eg: `address: 11.201.15.20/24` ```auto interfaces: eth*: dhcp: false eth0: match: eth0 address: 11.201.15.20/24 gateway: 11.201.15.254 post_up: - ip route add 11.201.15.0/24 dev eth0 table Vlan15 - ip route add default table Vlan15 via 11.201.15.254 - ip route add default via 11.201.15.254 dev eth0 eth1: match: eth1 address: 11.201.201.20/24 post_up: - ip route add 11.201.11.0/24 via 11.201.201.254 - ip route add 11.201.254.0/24 via 11.201.201.254 - ip route add default table Vlan201 via 11.201.201.254 ``` ---
**Author:** ![beatcracker](https://sea2.discourse-cdn.com/flex022/user_avatar/forums.suse.com/beatcracker/32/1482_2.png) [@beatcracker](https://forums.suse.com/u/beatcracker)\ **Post date:** [July 8, 2016, 5:52pm UTC](https://forums.suse.com/t/cant-apply-network-interface-settings-from-cloud-config-yml/3341/4 "2016-07-08T17:52:38Z")
I’ll just keep updating this, maybe it’ll help someone. Another gotcha: `/etc/iproute2/rt_tables` has to be in the `network` containter, created by `system-docker`. It means that I can’t use `write_files`, because it creates files in the `console` container. Here is the workaround: ```auto #cloud-config ssh_authorized_keys: - ssh-rsa AAAA...== hostname: HVRancher01 rancher: network: dns: override: true nameservers: - 11.201.15.1 - 8.8.8.8 - 8.8.4.4 search: - xxx.company.com interfaces: eth*: dhcp: false eth0: match: eth0 address: 11.201.15.20/24 gateway: 11.201.15.254 post_up: - ip route add 11.201.15.0/24 dev eth0 table Vlan15 - ip route add default table Vlan15 via 11.201.15.254 - ip route add default via 11.201.15.254 dev eth0 eth1: match: eth1 address: 11.201.201.20/24 post_up: - ip route add 11.201.11.0/24 via 11.201.201.254 - ip route add 11.201.254.0/24 via 11.201.201.254 - ip route add default table Vlan201 via 11.201.201.254 pre_cmds: - bash -c "echo -e '#\\n# reserved values\\n#\\n255 local\\n254 main\\n253 default\\n0 unspec\\n#\\n# local\\n#\\n#1 inr.ruhep\\n15 Vlan15\\n201 Vlan201' > \/etc\/iproute2\/rt_tables" - ip rule del from 11.201.201.0/24 table Vlan201 - ip rule del from 11.201.15.0/24 table Vlan15 post_cmds: - ip rule add from 10.200.13.0/24 table Vlan15 - ip rule add from 10.200.101.0/24 table Vlan201 services: rancher-server: image: rancher/server restart: always ports: - 8080:8080 ```