站群服务器多IP配置L2TP多出口

#!/bin/sh
cat>/etc/iproute2/rt_tables<<EOF
#
# reserved values
#
255    local
254    main
253    default
0    unspec
#
# local
#
#1    inr.ruhep
EOF

for i in `seq 10 1 210`;do
ip address add 27.50.209.$i/24 dev em1
echo "$i    out$i">>/etc/iproute2/rt_tables
ip rule add from 192.168.30.$i/32 table out$i
ip route add default via 27.50.209.1 table out$i src  27.50.209.$i
done
ip address add 192.168.30.254/24 dev tap_mytap

IPTAbles配置

# Generated by iptables-save v1.4.21 on Thu May  6 23:34:09 2021
*nat
:PREROUTING ACCEPT [9267:501791]
:INPUT ACCEPT [9267:501791]
:OUTPUT ACCEPT [2209:127078]
:POSTROUTING ACCEPT [0:0]
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.10 -j SNAT --to-source 27.50.209.10
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.11 -j SNAT --to-source 27.50.209.11
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.12 -j SNAT --to-source 27.50.209.12
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.13 -j SNAT --to-source 27.50.209.13
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.14 -j SNAT --to-source 27.50.209.14
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.15 -j SNAT --to-source 27.50.209.15
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.16 -j SNAT --to-source 27.50.209.16
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.17 -j SNAT --to-source 27.50.209.17
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.18 -j SNAT --to-source 27.50.209.18
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.19 -j SNAT --to-source 27.50.209.19
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.20 -j SNAT --to-source 27.50.209.20
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.21 -j SNAT --to-source 27.50.209.21
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.22 -j SNAT --to-source 27.50.209.22
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.23 -j SNAT --to-source 27.50.209.23
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.24 -j SNAT --to-source 27.50.209.24
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.25 -j SNAT --to-source 27.50.209.25
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.26 -j SNAT --to-source 27.50.209.26
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.27 -j SNAT --to-source 27.50.209.27
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.28 -j SNAT --to-source 27.50.209.28
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.29 -j SNAT --to-source 27.50.209.29
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.30 -j SNAT --to-source 27.50.209.30
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.31 -j SNAT --to-source 27.50.209.31
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.32 -j SNAT --to-source 27.50.209.32
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.33 -j SNAT --to-source 27.50.209.33
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.34 -j SNAT --to-source 27.50.209.34
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.35 -j SNAT --to-source 27.50.209.35
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.36 -j SNAT --to-source 27.50.209.36
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.37 -j SNAT --to-source 27.50.209.37
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.38 -j SNAT --to-source 27.50.209.38
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.39 -j SNAT --to-source 27.50.209.39
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.40 -j SNAT --to-source 27.50.209.40
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.41 -j SNAT --to-source 27.50.209.41
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.42 -j SNAT --to-source 27.50.209.42
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.43 -j SNAT --to-source 27.50.209.43
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.44 -j SNAT --to-source 27.50.209.44
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.45 -j SNAT --to-source 27.50.209.45
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.46 -j SNAT --to-source 27.50.209.46
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.47 -j SNAT --to-source 27.50.209.47
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.48 -j SNAT --to-source 27.50.209.48
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.49 -j SNAT --to-source 27.50.209.49
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.50 -j SNAT --to-source 27.50.209.50
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.51 -j SNAT --to-source 27.50.209.51
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.52 -j SNAT --to-source 27.50.209.52
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.53 -j SNAT --to-source 27.50.209.53
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.54 -j SNAT --to-source 27.50.209.54
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.55 -j SNAT --to-source 27.50.209.55
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.56 -j SNAT --to-source 27.50.209.56
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.57 -j SNAT --to-source 27.50.209.57
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.58 -j SNAT --to-source 27.50.209.58
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.59 -j SNAT --to-source 27.50.209.59
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.60 -j SNAT --to-source 27.50.209.60
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.61 -j SNAT --to-source 27.50.209.61
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.62 -j SNAT --to-source 27.50.209.62
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.63 -j SNAT --to-source 27.50.209.63
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.64 -j SNAT --to-source 27.50.209.64
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.65 -j SNAT --to-source 27.50.209.65
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.66 -j SNAT --to-source 27.50.209.66
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.67 -j SNAT --to-source 27.50.209.67
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.68 -j SNAT --to-source 27.50.209.68
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.69 -j SNAT --to-source 27.50.209.69
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.70 -j SNAT --to-source 27.50.209.70
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.71 -j SNAT --to-source 27.50.209.71
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.72 -j SNAT --to-source 27.50.209.72
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.73 -j SNAT --to-source 27.50.209.73
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.74 -j SNAT --to-source 27.50.209.74
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.75 -j SNAT --to-source 27.50.209.75
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.76 -j SNAT --to-source 27.50.209.76
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.77 -j SNAT --to-source 27.50.209.77
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.78 -j SNAT --to-source 27.50.209.78
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.79 -j SNAT --to-source 27.50.209.79
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.80 -j SNAT --to-source 27.50.209.80
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.81 -j SNAT --to-source 27.50.209.81
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.82 -j SNAT --to-source 27.50.209.82
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.83 -j SNAT --to-source 27.50.209.83
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.84 -j SNAT --to-source 27.50.209.84
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.85 -j SNAT --to-source 27.50.209.85
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.86 -j SNAT --to-source 27.50.209.86
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.87 -j SNAT --to-source 27.50.209.87
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.88 -j SNAT --to-source 27.50.209.88
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.89 -j SNAT --to-source 27.50.209.89
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.90 -j SNAT --to-source 27.50.209.90
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.91 -j SNAT --to-source 27.50.209.91
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.92 -j SNAT --to-source 27.50.209.92
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.93 -j SNAT --to-source 27.50.209.93
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.94 -j SNAT --to-source 27.50.209.94
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.95 -j SNAT --to-source 27.50.209.95
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.96 -j SNAT --to-source 27.50.209.96
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.97 -j SNAT --to-source 27.50.209.97
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.98 -j SNAT --to-source 27.50.209.98
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.99 -j SNAT --to-source 27.50.209.99
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.100 -j SNAT --to-source 27.50.209.100
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.101 -j SNAT --to-source 27.50.209.101
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.102 -j SNAT --to-source 27.50.209.102
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.103 -j SNAT --to-source 27.50.209.103
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.104 -j SNAT --to-source 27.50.209.104
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.105 -j SNAT --to-source 27.50.209.105
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.106 -j SNAT --to-source 27.50.209.106
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.107 -j SNAT --to-source 27.50.209.107
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.108 -j SNAT --to-source 27.50.209.108
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.109 -j SNAT --to-source 27.50.209.109
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.110 -j SNAT --to-source 27.50.209.110
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.111 -j SNAT --to-source 27.50.209.111
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.112 -j SNAT --to-source 27.50.209.112
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.113 -j SNAT --to-source 27.50.209.113
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.114 -j SNAT --to-source 27.50.209.114
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.115 -j SNAT --to-source 27.50.209.115
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.116 -j SNAT --to-source 27.50.209.116
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.117 -j SNAT --to-source 27.50.209.117
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.118 -j SNAT --to-source 27.50.209.118
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.119 -j SNAT --to-source 27.50.209.119
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.120 -j SNAT --to-source 27.50.209.120
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.121 -j SNAT --to-source 27.50.209.121
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.122 -j SNAT --to-source 27.50.209.122
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.123 -j SNAT --to-source 27.50.209.123
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.124 -j SNAT --to-source 27.50.209.124
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.125 -j SNAT --to-source 27.50.209.125
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.126 -j SNAT --to-source 27.50.209.126
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.127 -j SNAT --to-source 27.50.209.127
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.128 -j SNAT --to-source 27.50.209.128
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.129 -j SNAT --to-source 27.50.209.129
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.130 -j SNAT --to-source 27.50.209.130
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.131 -j SNAT --to-source 27.50.209.131
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.132 -j SNAT --to-source 27.50.209.132
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.133 -j SNAT --to-source 27.50.209.133
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.134 -j SNAT --to-source 27.50.209.134
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.135 -j SNAT --to-source 27.50.209.135
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.136 -j SNAT --to-source 27.50.209.136
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.137 -j SNAT --to-source 27.50.209.137
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.138 -j SNAT --to-source 27.50.209.138
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.139 -j SNAT --to-source 27.50.209.139
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.140 -j SNAT --to-source 27.50.209.140
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.141 -j SNAT --to-source 27.50.209.141
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.142 -j SNAT --to-source 27.50.209.142
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.143 -j SNAT --to-source 27.50.209.143
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.144 -j SNAT --to-source 27.50.209.144
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.145 -j SNAT --to-source 27.50.209.145
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.146 -j SNAT --to-source 27.50.209.146
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.147 -j SNAT --to-source 27.50.209.147
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.148 -j SNAT --to-source 27.50.209.148
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.149 -j SNAT --to-source 27.50.209.149
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.150 -j SNAT --to-source 27.50.209.150
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.151 -j SNAT --to-source 27.50.209.151
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.152 -j SNAT --to-source 27.50.209.152
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.153 -j SNAT --to-source 27.50.209.153
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.154 -j SNAT --to-source 27.50.209.154
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.155 -j SNAT --to-source 27.50.209.155
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.156 -j SNAT --to-source 27.50.209.156
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.157 -j SNAT --to-source 27.50.209.157
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.158 -j SNAT --to-source 27.50.209.158
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.159 -j SNAT --to-source 27.50.209.159
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.160 -j SNAT --to-source 27.50.209.160
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.161 -j SNAT --to-source 27.50.209.161
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.162 -j SNAT --to-source 27.50.209.162
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.163 -j SNAT --to-source 27.50.209.163
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.164 -j SNAT --to-source 27.50.209.164
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.165 -j SNAT --to-source 27.50.209.165
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.166 -j SNAT --to-source 27.50.209.166
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.167 -j SNAT --to-source 27.50.209.167
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.168 -j SNAT --to-source 27.50.209.168
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.169 -j SNAT --to-source 27.50.209.169
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.170 -j SNAT --to-source 27.50.209.170
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.171 -j SNAT --to-source 27.50.209.171
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.172 -j SNAT --to-source 27.50.209.172
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.173 -j SNAT --to-source 27.50.209.173
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.174 -j SNAT --to-source 27.50.209.174
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.175 -j SNAT --to-source 27.50.209.175
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.176 -j SNAT --to-source 27.50.209.176
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.177 -j SNAT --to-source 27.50.209.177
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.178 -j SNAT --to-source 27.50.209.178
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.179 -j SNAT --to-source 27.50.209.179
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.180 -j SNAT --to-source 27.50.209.180
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.181 -j SNAT --to-source 27.50.209.181
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.182 -j SNAT --to-source 27.50.209.182
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.183 -j SNAT --to-source 27.50.209.183
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.184 -j SNAT --to-source 27.50.209.184
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.185 -j SNAT --to-source 27.50.209.185
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.186 -j SNAT --to-source 27.50.209.186
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.187 -j SNAT --to-source 27.50.209.187
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.188 -j SNAT --to-source 27.50.209.188
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.189 -j SNAT --to-source 27.50.209.189
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.190 -j SNAT --to-source 27.50.209.190
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.191 -j SNAT --to-source 27.50.209.191
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.192 -j SNAT --to-source 27.50.209.192
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.193 -j SNAT --to-source 27.50.209.193
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.194 -j SNAT --to-source 27.50.209.194
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.195 -j SNAT --to-source 27.50.209.195
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.196 -j SNAT --to-source 27.50.209.196
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.197 -j SNAT --to-source 27.50.209.197
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.198 -j SNAT --to-source 27.50.209.198
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.199 -j SNAT --to-source 27.50.209.199
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.200 -j SNAT --to-source 27.50.209.200
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.201 -j SNAT --to-source 27.50.209.201
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.202 -j SNAT --to-source 27.50.209.202
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.203 -j SNAT --to-source 27.50.209.203
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.204 -j SNAT --to-source 27.50.209.204
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.205 -j SNAT --to-source 27.50.209.205
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.206 -j SNAT --to-source 27.50.209.206
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.207 -j SNAT --to-source 27.50.209.207
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.208 -j SNAT --to-source 27.50.209.208
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.209 -j SNAT --to-source 27.50.209.209
-A POSTROUTING -o em1 -d 0.0.0.0/0 -s 192.168.30.210 -j SNAT --to-source 27.50.209.210

-A POSTROUTING -s 192.168.30.0/24 -o em1 -j MASQUERADE
COMMIT
# Completed on Thu May  6 23:34:09 2021
# Generated by iptables-save v1.4.21 on Thu May  6 23:34:09 2021
*filter
:INPUT ACCEPT [269684:66879177]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [284335:66062272]
-A FORWARD  -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j TCPMSS --set-mss 1356
##-A FORWARD -i ppp+ -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j TCPMSS --set-mss 1356
COMMIT
# Completed on Thu May  6 23:34:09 2021
#

在/etc/sysctl.conf里

net.ipv4.ip_forward = 1
原文地址:https://www.cnblogs.com/ip99/p/14737497.html