Тем более, оно [natd] говорит:
natd[5339]: Aliasing to 172.31.249.1, mtu 16384 bytes

То, что и нужно. Но почему-то нет фактической трансляции.

8 декабря 2014 г., 15:17 пользователь Anton Sayetsky
<[email protected]> написал:
> Мне нужно, дабы пакеты из сети 172.17.5.0/24 натились на адрес
> 172.31.249.1 и отправлялись дальше в сеть 192.168.137.0/24. Т.е.
> приходит из tun1, натится на один из адресов lo1, идёт дальше по
> таблице маршрутизации.
>
> 2014-12-08 15:07 GMT+02:00 Anton Sayetsky <[email protected]>:
>> Приветствую, коллеги.
>>
>> Имеется сабж с natd. Выхлоп демона и конфиги:
>> root@vpnc:~# natd -f /etc/natd.conf -v
>> natd[5339]: Aliasing to 172.31.249.1, mtu 16384 bytes
>> In  {default}[ICMP] [ICMP] 172.17.5.4 -> 192.168.137.51 8(0) aliased to
>>            [ICMP] 172.17.5.4 -> 192.168.137.51 8(0)
>> In  {default}[ICMP] [ICMP] 172.17.5.4 -> 192.168.137.51 8(0) aliased to
>>            [ICMP] 172.17.5.4 -> 192.168.137.51 8(0)
>> In  {default}[ICMP] [ICMP] 172.17.5.4 -> 192.168.137.51 8(0) aliased to
>>            [ICMP] 172.17.5.4 -> 192.168.137.51 8(0)
>> In  {default}[ICMP] [ICMP] 172.17.5.4 -> 192.168.137.51 8(0) aliased to
>>            [ICMP] 172.17.5.4 -> 192.168.137.51 8(0)
>> In  {default}[ICMP] [ICMP] 172.17.5.4 -> 192.168.137.51 8(0) aliased to
>>            [ICMP] 172.17.5.4 -> 192.168.137.51 8(0)
>> In  {default}[ICMP] [ICMP] 172.17.5.4 -> 192.168.137.51 8(0) aliased to
>>            [ICMP] 172.17.5.4 -> 192.168.137.51 8(0)
>> In  {default}[ICMP] [ICMP] 172.17.5.4 -> 192.168.137.51 8(0) aliased to
>>            [ICMP] 172.17.5.4 -> 192.168.137.51 8(0)
>>
>> 00010  1856  661896 allow ip from any to any via lo0 // allow local traffic
>> 00020     0       0 deny ip from any to 127.0.0.0/8
>> 00030     0       0 deny ip from 127.0.0.0/8 to any
>> 00040     0       0 deny ip from any to ::1
>> 00050     0       0 deny ip from ::1 to any
>> 00060     0       0 deny ip from table(1) to any // fail2ban
>> 00070     0       0 deny ip from any to table(1)
>> 00080     0       0 deny ip from table(2) to any // blocked clients
>> 00090     0       0 deny ip from any to table(2)
>> 00100     0       0 deny ip from any to 0.0.0.0/8 // block source net
>> 00110     0       0 deny ip from 0.0.0.0/8 to any
>> 00120     0       0 deny ip from table(3) to any // block reserved networks
>> 00130     0       0 deny ip from any to table(3)
>> 00140 30318 3971601 reass ip4 from any to any in
>> 00150     0       0 deny log ip4 from any to any frag in
>> 00155   100    8400 divert 7777 ip from any to any via tun1
>> 65534 54914 7634273 allow log ip from any to any
>> 65535     0       0 deny ip from any to any
>>
>> lo1: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
>>         options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
>>         inet 172.31.249.1 netmask 0xffffff00
>>         inet 172.31.249.2 netmask 0xffffffff
>>         inet 172.31.249.3 netmask 0xffffffff
>>         nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>>
>> root@vpnc:~# cat /etc/natd.conf
>> #
>>
>> log
>> #deny_incoming
>> log_denied
>> same_ports
>>
>> instance default
>> port 7777
>> interface lo1
>>
>> ЧЯДНТ?

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