我已经咨询了多个教程来实现两个互联网连接的负载平衡。 但是，所有stream量继续通过具有最低度量标准的默认路由进行路由，我无法弄清楚原因
iptables -t nat -F iptables -t mangle -F iptables -F iptables -X ip rule delete from all fwmark 0x1 ip rule delete from all fwmark 0x2 ip rule flush ip rule add lookup main priority 32766 iptables -A PREROUTING -t mangle -j CONNMARK --restore-mark iptables -A PREROUTING -t mangle -m mark --mark 0x0 -m statistic \ --mode nth --every 2 --packet 0 -j MARK --set-mark 1 iptables -A PREROUTING -t mangle -m mark --mark 0x0 -m statistic \ --mode nth --every 2 --packet 1 -j MARK --set-mark 2 iptables -A POSTROUTING -t mangle -j CONNMARK --save-mark ip route flush table wlp3s0 ip route flush table enp0s20u2 ip route add default via 46.37.116.1 table wlp3s0 ip route add 46.37.116.0/23 dev wlp3s0 table wlp3s0 ip route add default via 192.168.42.129 table enp0s20u2 ip route add 192.168.42.0/24 dev enp0s20u2 table enp0s20u2 ip rule add fwmark 1 lookup wlp3s0 priority 1000 ip rule add fwmark 2 lookup enp0s20u2 priority 1000 iptables -A POSTROUTING -t nat -m mark --mark 1 -j SNAT --to-source 46.37.116.111 iptables -A POSTROUTING -t nat -m mark --mark 2 -j SNAT --to-source 192.168.42.130 echo 0 > "/proc/sys/net/ipv4/conf/wlp3s0/rp_filter" echo 0 > "/proc/sys/net/ipv4/conf/enp0s20u2/rp_filter" ip route flush cache ip路由：
ip route default via 192.168.42.129 dev enp0s20u2 src 192.168.42.130 metric 207 default via 46.37.116.1 dev wlp3s0 src 46.37.116.111 metric 303 46.37.116.0/23 dev wlp3s0 proto kernel scope link src 46.37.116.111 metric 303 192.168.42.0/24 dev enp0s20u2 proto kernel scope link src 192.168.42.130 metric 207
ip route全部列表wlp3s0
default via 46.37.116.1 dev wlp3s0 46.37.116.0/23 dev wlp3s0 scope link
ip route list all table enp0s20u2
default via 192.168.42.129 dev enp0s20u2 192.168.42.0/24 dev enp0s20u2 scope link
ip规则
0: from all lookup local 1000: from all fwmark 0x1 lookup wlp3s0 1000: from all fwmark 0x2 lookup enp0s20u2 32766: from all lookup main