ZYXEL EX5601-T0 - how to assign the same NAT forwarding ports to 2 lan IPs?

morganland
morganland Posts: 2
First Comment
in Home Router

Hello everyone! I have a ZYXEL EX5601-T0 https://service-provider.zyxel.com/global/en/products/ethernet-cpe/ethernet-iads/ex5601ex5600-t-series

I can't solve this issue:

PC 1: assigned static ip 192.168.1.100
PC 2: assigned static ip 192.168.1.200


In NAT section I opened , for PC 1, ports 50100 and 50101 for TCP/UDP protocols
How can I do the same for PC 2? If I try to add the rule putting PC 2 IP, I am blocked by an alert cause of "open ports are linked to another IP".

How can I do?

Thanks a lot in advance!

Accepted Solution

  • mMontana
    mMontana Posts: 1,402  Guru Member
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    Answer ✓

    AFAIK… it's not possible.
    Router EX5601-T0 have on WAN only one port set (1-65536, TCP + UDP). So for ports 50100 and 50101 you can forward them only to one address.

All Replies

  • mMontana
    mMontana Posts: 1,402  Guru Member
    50 Answers 1000 Comments Friend Collector Fifth Anniversary
    Answer ✓

    AFAIK… it's not possible.
    Router EX5601-T0 have on WAN only one port set (1-65536, TCP + UDP). So for ports 50100 and 50101 you can forward them only to one address.

  • morganland
    morganland Posts: 2
    First Comment

    Thanks man!

  • ostridge
    ostridge Posts: 3  Freshman Member
    First Comment Friend Collector First Anniversary
    https://community.zyxel.com/en/discussion/16793/zyxel-ex5601-t0-how-to-assign-the-same-nat-forwarding-ports-to-2-lan-ips

    depending on why you are forwarding ports in the first place you maybe don't need to. router keeps track of (tcp and udp) outgoing traffic and auto opens RTC ports from specified ranges for replies such as sip:10000-20000 ports allowed on receiving computer. So you may only need incoming port forwards if you have devices external to your 'home' network, so that such devices can connect. The BUT is that open ports are a security risk so security is needed to auth external dvices on random IP addresses. outgoing connections to providers are originated from your PC / server/ whatever, so should be whitelisted according to IPaddress or MAC.

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