[Help] NVRAM vaules for Static IP on WAN

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solidus1983
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Joined: 25 Jun 2020
Posts: 3
PostPosted: Mon Nov 14, 2022 9:37    Post subject: [Help] NVRAM vaules for Static IP on WAN Reply with quote
Hi, I have default settings for DHCP and want to change ‘programmatically’ by setting NVRAM values to a STATIC WAN IP setup, which values do I need to change?
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mwchang
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Joined: 26 Mar 2013
Posts: 1857
Location: Hung Hom, Hong Kong
PostPosted: Mon Nov 14, 2022 9:59    Post subject: Re: [Help] NVRAM vaules for Static IP on WAN Reply with quote
solidus1983 wrote:
Hi, I have default settings for DHCP and want to change ‘programmatically’ by setting NVRAM values to a STATIC WAN IP setup, which values do I need to change?

The following threads looks interesting and related. The focus should be "wan_ipaddr".

DD-WRT :: View topic - Changing client mode network from script - WZR-HP-G300NH2
https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=696688

DD-WRT :: View topic - Track WAN IP changes using a server's log
https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=679958
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solidus1983
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PostPosted: Mon Nov 14, 2022 10:01    Post subject: Reply with quote
thank you for your reply, will read up on this now. If i get stuck i will post on here again.
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mwchang
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PostPosted: Mon Nov 14, 2022 12:15    Post subject: Reply with quote
solidus1983 wrote:
thank you for your reply, will read up on this now. If i get stuck i will post on here again.

I think you need to choose "Static IP" in Setup->Basic Setup-> WAN Connection Type. Have fun with scripting.
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solidus1983
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PostPosted: Mon Nov 14, 2022 12:17    Post subject: Reply with quote
Yeah i know it works in GUI, however i perfer CLI so trying to do it in cli.
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mwchang
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PostPosted: Tue Nov 15, 2022 3:39    Post subject: Reply with quote
solidus1983 wrote:
Yeah i know it works in GUI, however i perfer CLI so trying to do it in cli.
Other useful values and commands:
Code:
~# nvram show | grep -i -E 'wan_i[fp]'
size: 35013 bytes (30523 left)
wan_ifname2=vlan2
wan_ifnames=vlan2
wan_iface=vlan2
wan_ipaddr=111.222.33.44
wan_ifname=vlan2
ddns_wan_ip=1

~# ifconfig $(nvram get wan_iface)
vlan2     Link encap:Ethernet  HWaddr 2E:x4:xx:xx:xx:A4
          inet addr:111.222.33.44  Bcast:110.235.7.255  Mask:255.255.254.0
          ....

~# ifconfig eth1 down
~# ifconfig eth1 new_ip_addr netmask 255.255.255.0
~# ifconfig eth1 up

_________________
Router: Asus RT-N18U (rev. A1)

Drink, Blink, Stretch! Live long and prosper! May the Force and farces be with you!

Facebook: https://www.facebook.com/changmanwai
Website: https://sites.google.com/site/changmw
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mwchang
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Joined: 26 Mar 2013
Posts: 1857
Location: Hung Hom, Hong Kong
PostPosted: Tue Nov 15, 2022 3:45    Post subject: Reply with quote
mwchang wrote:
solidus1983 wrote:
Yeah i know it works in GUI, however i perfer CLI so trying to do it in cli.
Other useful values and commands:
Code:
~# nvram show | grep -i -E 'wan_i[fp]'
size: 35013 bytes (30523 left)
wan_ifname2=vlan2
wan_ifnames=vlan2
wan_iface=vlan2
wan_ipaddr=111.222.33.44
wan_ifname=vlan2
ddns_wan_ip=1

~# ifconfig $(nvram get wan_iface)
vlan2     Link encap:Ethernet  HWaddr 2E:x4:xx:xx:xx:A4
          inet addr:111.222.33.44  Bcast:110.235.7.255  Mask:255.255.254.0
          ....

~# ifconfig eth1 down
~# ifconfig eth1 new_ip_addr netmask 255.255.255.0
~# ifconfig eth1 up


Another thread that might interest you:

DD-WRT :: View topic - Script to set a random MAC address for WAN when booting?
https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=268272&start=15
_________________
Router: Asus RT-N18U (rev. A1)

Drink, Blink, Stretch! Live long and prosper! May the Force and farces be with you!

Facebook: https://www.facebook.com/changmanwai
Website: https://sites.google.com/site/changmw
SETI@Home profile: http://setiathome.berkeley.edu/view_profile.php?userid=211832
GitHub: https://github.com/changmw/changmw
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