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GIGABIT

join:2008-01-20
Etobicoke, ON

[DSL] SR505N NAT

This is a real basic question. For some reason I am unable to do a SIMPLE NAT on this SR505N that I just got today.

I go into Advanced Settings, NAT, Virtual Servers, Add, Select the service example :
FTP TCP 21
Select the server IP address: ie. 192.168.0.5

I get the following error : Internal server IP address "192.168.0.5" is invalid.
It sure is valid!

Anyone have this problem ? I haven't changed any defaults on the modem.

GIGABIT

join:2008-01-20
Etobicoke, ON
I now see why it doen't work! This is terrible.
I changed the IP address of the SR505N to another subnet 192.168.0.x!
The NAT does work with default 192.168.1.x subnet!

Horrible. Who built this firmware ?

GIGABIT

join:2008-01-20
Etobicoke, ON
reply to GIGABIT
Ok one last thing!
It does work if you leave the modem on the .1 address however if you change the IP address of the modem it will not work...

Not a good first impression.

reiyu

join:2014-01-08
North York, ON
reply to GIGABIT
did you by any chance change the DHCP range as well?

GIGABIT

join:2008-01-20
Etobicoke, ON

1 edit
Yes I did, made it narrower.
It's all working now but the router needs to be on .1
Just strange to see something so simple not work...