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Update faq.md

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Paul Philippov 2022-11-25 05:41:00 -05:00 committed by GitHub
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@ -25,6 +25,21 @@ You don't see it because initially it is not there, but there is a shell command
If you need to know what's in the command, search for `ipctool` in `/etc/profile` file.
### How to dump full firmware to an NFS share
This could work if you are lucky, you gained access into Linux shell
on stock firmware, and it does support NFS mounting:
```
fw=$(mktemp)
nfs=$(dirname $fw)/nfs
mount -t nfs -o tcp,nolock 192.168.1.123:/path/to/nfs/share $nfs
cat /dev/mtd? > $fw
mv $fw ${nfs}/firmware_full.bin
```
Make sure to use your own IP address and path to the NFS share!
### How to find original MAC address in a firmware dump
```