Notes
How to dump full firmware to an NFS share
On device:
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 ${nfs}/firmware_full.bin
On device:
fw=$(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