Hi all!

after having tried a lot of os's (sveasoft, dd-wrt and others) i want to setup a clean OpenWrt system on my WRT54GS and start from scratch. I'm afraid that after all the nvram may be "dirty" and may cause unpredictable results. "nvram show | wc -l" counts more than 900 lines ....

It's anyway a good idea to start from scratch - its a good opportunity to catch on all the correlations in OpenWrt.

After having read lots of faqs and forum-messsages i'm finally somewhat confused how to start.

First question:  How to start from scratch. Is it enough to load OpenWrt and make a 'firstboot' ? Whats about "boot wait" in that case - has it to be set before a 'firstboot' or afterwards? Before rebooting or after rebooting? Is a telnet-capability a build-in in the OpenWrt-baseimage? I don't want to brick my box ....

Second question: i want to separate the WAN/LAN/WIFI-networks. WAN goes dsl, LAN will be the inhouse-network (192.168.22) and WIFI shall have a 10.64.40 segment. How can i set up such a configuration?

Third question: which nvram-variables have to be set AT LEAST?

All these postings and documentation spreaded over the internet -sometimes contradictory-  was simply to much for me ...

Your help is very much appreciated!
Edgar

(Last edited by emax on 28 Apr 2005, 10:38)

Hi,

mtd erase nvram
reboot

will erase the complete nvram - and all important variables are rebuilt with default values (192.168.1.1, etc.) when booting OpenWRT again.

Has worked for me (2x WRT54GSv1.1) - but don't blame me, when you brick your WRT.

HTH and Bye
Daniel

Thanks so far!

That  means: after flashing openwrt, i do not need to worry about boot=wait etc. Just rebooting will do everything necessary?

Could anybody confirm this?

Ok i tried this, and everything is fine.
Did set boot_wait=on after reboot.

I'm still hoping for some help with my

Second question: i want to separate the WAN/LAN/WIFI-networks. WAN goes dsl, LAN will be the inhouse-network (192.168.22) and WIFI shall have a 10.64.40 segment. How can i set up such a configuration?

My guess for the lan-side:

nvram set ....

lan_ipaddr=192.168.22.1
lan_netmask=255.255.255.0
lan_proto=dhcp                              # is that right if i want to dhcp all lan-clients?

lan_ifname= ???
lan_gateway=  ???                        # isnt the router his own gateway: 192.168.22.1 ?
lan_hwnames= ???

Need some help for the '???' - lines ...

(Last edited by emax on 28 Apr 2005, 18:43)

you need to "break the bridge". it's documented in the wiki. break the bridge, then set wifi_ vars for the wireless interface.

in wiki, look in "faq" and "openwrtnvram"

Thanks, i read the faq, but this not clear to me:

@OpenWrt:# nvram set wan_ifname=vlan1
@OpenWrt:# nvram set wan_ipaddr=192.168.0.99
@OpenWrt:# nvram set wan_netmask=255.255.255.0
@OpenWrt:# nvram set wan_proto=static

Why this? Isnt the WAN interface for my dsl-connection? I guess it should be dhcp?

Is there nobody out there who can help me a little?

Breaking the bridge is documented in the faq, yes. But whats about the "wan"-parameters? Am i wrong with my assumption, that these should be used to configure my dsl-connection? When they are set as described in "breaking the bridge", there is nothing that has to do with this ...

after breaking the bridge (either by brctl, or if you want it to be permanent, setting lan_ifname and lan_ifnames) you just have to configure your interfaces.

http://openwrt.org/OpenWrtNVRAM section explains how.

Ok, i followed your advice. Here is my configuration. Can somebody tell me, wether i missed something?

nvram in sorted order: