Clearing nvram = default settings?

[wfleck]

Has anyone a backup of the original nvram settings and could post it here? I added and altered some variables to make OpenWRT work and now I would like to know what I have changed :)

Werner

[Oleg]

They're embedded to pmon at offset 1k. Mine are as follows:


boardtype=bcm94710dev
boardnum=asusX
clkfreq=125
sdram_init=0x0419
sdram_config=0x0000
sdram_refresh=0x8040
et0macaddr=00:0C:6E:9A:xx:xx
et0phyaddr=30
et0mdcport=0
et1macaddr=00:0C:6E:9A:xx:xx
et1phyaddr=0
et1mdcport=1
dl_ram_addr=a0001000
os_ram_addr=80001000
os_flash_addr=bfc40000
lan_ipaddr=192.168.1.1
lan_netmask=255.255.255.0
scratch=a0180000
boot_wait=on
watchdog=3000
hardware_version=WL500-02-02-01-00
regulation_domain=0X30DE

[Spot]

Well, I've read some threads speeking about how to resurect dead units... and the use of wl500g-clear-nvram.trx file!

... and I'm staying in a confuse state!!! :D

So, could you please give me some clarifying answers?

1. Does this file really erase the nvram values or just perform a restoration to default values? Is it necessary to flash new fw after flashing wl500g-clear-nvram.trx?

2. Do hardware reset and/or software factory defaults operations have the same effect than flashing wl500g-clear-nvram.trx?

3. Does restoring a firmware (without applying wl500g-clear-nvram.trx before) also affect nvram content and overwrite it to default values?

4. And finaly, how to be sure that nvram content is not corrupted and doesn't affect incorrect firmware behaviour?

Thanks in advance...

[gwl]

I have similar questions regarding this subject.
If someone knows the answers to the above questions, please share them.

thank you.

[Oleg]

1. Does this file really erase the nvram values or just perform a restoration to default values? Is it necessary to flash new fw after flashing wl500g-clear-nvram.trx?

It's completely clears nvram, which is then would be filled with defaults with bootloader and firmware. You will need to reflash your real firmware after using this one.



2. Do hardware reset and/or software factory defaults operations have the same effect than flashing wl500g-clear-nvram.trx?

There is no hardware reset, everything is done in software. Yes, the results are the same.



3. Does restoring a firmware (without applying wl500g-clear-nvram.trx before) also affect nvram content and overwrite it to default values?

No.



4. And finaly, how to be sure that nvram content is not corrupted and doesn't affect incorrect firmware behaviour?

Reset to defaults using RESTORE button or type these in the telnet session


erase /dev/mtd/3
reboot

[gwl]

thanks. :)

[Spot]

Big thanks!!! :)

[Skyboat]

I'm having the same problem, it's rather annoying since I want to forward a port that has already been defined but since the changes don't get saved on reboot it's pointless. I'd also prefer to find a solution that doesn't include a messy-workaround with post-firewall scripts.

[zerocrash]

Any news on this? Or are we going to update the FW to make a complete reset of the iptables to get rid of the old entries that's not valid anymore?

[purpleray]

just to Flush all rules out of CHAIN "VSERVER" by below :

iptables -F VSERVER -t nat

good luck!

[onewiki]

but the entries are restored after a reboot, how to remove them permanently? Thanks.