Gargoyle Forum

Posted: **Thu Jun 29, 2023 5:40 pm**

Hello

My main router is a WRT1900ACS running version 1.13.0. My backup router is also a WRT1900ACS but was running version 1.12.0. I have upgraded my backup router to 1.13.0 and would like to transfer a large amount of static IPs from the main router to the backup router. In version 1.12.0 I could do this by copying;
/etc/hosts
/etc/ethers
from one router to the other.

Using Winscp I have found that in 1.13.0 these files do not have the required information. Is there another file or files in 1.13.0 I can copy from main router to backup router to avoid manually entering all my Static IP information.

Thank you

Posted: **Sat Jul 01, 2023 2:24 pm**

It is possible. Been there, done that

From viewtopic.php?p=65238#p65238

"I was able to copy over the DHCP and hostname settings by combining them into the new /etc/dhcp file using a spreadsheet. "

Posted: **Sun Jul 02, 2023 5:43 am**

Code: Select all

#!/bin/sh

idx=1

grep -v '^#' /etc/hosts | while read line
do
        [ -z "$line" ] && continue
        ip=$(echo "$line" | cut -f 1)
        hostname=$(echo "$line" | cut -f 2)

        etherline=$(cat /etc/ethers | grep "$ip")
        mac=$(echo "$etherline" | cut -f 1)

        uci set dhcp.static_host_$idx=host
        uci set dhcp.static_host_$idx.name=$hostname
        uci set dhcp.static_host_$idx.mac=$mac
        uci set dhcp.static_host_$idx.ip=$ip
        uci commit

        idx=$((idx + 1))
done

Use at your own risk. This may or may not work.

Posted: **Sun Jul 02, 2023 6:00 pm**

Thank you ektus and Lantis for your replys.

Using some of the info ektus supplied I found all the static addresses in my main router in the file '/etc/config/dhcp'. I copied the static addresses from this file to the backup router, rebooted backup router and now all the static addresses are showing in the backup router Gargoyle screen. I assume now that this problem is solved. Any comments on this approach?

Thank you

Posted: **Mon Jul 03, 2023 1:54 pm**

I didn't fully grasp your problem then. Both our solutions were for transferring the DHCP assignments from the old to the new format. In your case, with both routers identical in hardware and software, the easiest way should be to simply backup the main router and restore that on the spare.

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