Haswell vlan対応

Ubuntu 22.04 JammyへのUpdateでmacvlanに振ったIPアドレスが効いてなさそうな件。

取り敢えず、VMゲストとの通信よりも、4月に開通した「楽天ひかり」側のセグメントにも足を生やす方がメリットが大きいので、gt110bに倣ってVLAN対応することに。

yano@haswell:/etc/netplan$ cat 25-enp0s25-config.yaml
# network: {config: disabled}
network:
ethernets:
enp0s25:
dhcp4: no
dhcp6: no
mtu: 8996

version: 2

yano@haswell:/etc/netplan$ cat 81-vlan-config.yaml
# network: {config: disabled}
network:
version: 2
renderer: networkd
ethernets:
enp0s25:
dhcp4: no
dhcp6: no
mtu: 8996
optional: true

enp2s0:
dhcp4: no
dhcp6: no
optional: true

vlans:
vlan.1:
id: 1
link: enp0s25
addresses:
- 192.168.199.2/24
- 240f:ca:5fb8:1:192:168:199:2/64
# gateway4: 192.168.199.254
# gateway6: 240f:ca:5fb8:1:192:168:199:254
routes:
- to: default
via: 192.168.199.254
- to: default
via: 240f:ca:5fb8:1:192:168:199:254
nameservers:
addresses: [240f:ca:5fb8:1:192:168:199:1, 192.168.199.1, 8.8.8.8]
dhcp4: no
dhcp6: no

vlan.2:
id: 2
link: enp0s25
addresses:
- 172.16.199.2/24
- 240f:ca:5fb8:1:172:16:199:2/64
dhcp4: no
dhcp6: no

vlan.3:
id: 3
link: enp0s25
addresses:
- 10.20.199.2/24
- 240f:ca:5fb8:1:10:20:199:2/64
dhcp4: no
dhcp6: no
yano@haswell:/etc/netplan$ sudo netplan apply