缺省网关
default via 202.5.30.254 dev eth0 proto static metric 100
10.0.0.0/8 dev eth1 proto kernel scope link src 10.0.122.21 metric 101 目标地址 网关
202.5.30.0/24 dev eth0 proto kernel scope link src 202.5.30.231 metric 100 目标地址 网关
wget https://download.mikrotik.com/routeros/6.45.8/chr-6.45.8.img.zip -O chr.img.zip
gunzip -c chr.img.zip > chr.img
mount -o loop,offset=512 chr.img /mnt
ADDR0=`ip addr show eth0 | grep global | cut -d' ' -f 6 | head -n 1`
ADDR1=`ip addr show eth1 | grep global | cut -d' ' -f 6 | head -n 1`
GATE0=`ip route list | grep default | cut -d' ' -f 3`
GATE1=`ip route list | grep '10.0.0.0/8' | cut -d' ' -f 9`
GATE2=`ip route list | grep '202.5.30.0/24' | cut -d' ' -f 9`
mkdir -p /mnt/rw
另一款 双网卡的样本 (注意分清 内外 网卡)
196.10.68.0/24 dev eth0 proto kernel scope link src 196.10.68.24
169.254.0.0/16 dev eth0 scope link metric 1002
169.254.0.0/16 dev eth1 scope link metric 1003
10.0.0.0/8 dev eth1 proto kernel scope link src 10.0.87.152
default via 196.10.68.1 dev eth0
wget https://download.mikrotik.com/routeros/6.45.8/chr-6.45.8.img.zip -O chr.img.zip
gunzip -c chr.img.zip > chr.img
mount -o loop,offset=512 chr.img /mnt
ADDR0=`ip addr show eth0 | grep global | cut -d' ' -f 6 | head -n 1`
ADDR1=`ip addr show eth1 | grep global | cut -d' ' -f 6 | head -n 1`
GATE0=`ip route list | grep default | cut -d' ' -f 3`
GATE1=`ip route list | grep '10.0.0.0/8' | cut -d' ' -f 9`
mkdir -p /mnt/rw