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@@ -14,8 +14,9 @@ Prebuilt binaries for Linux, OS X and Windows are available
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```
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Usage: nmrpflash [OPTIONS...]
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-Options (-a, -i and -f and/or -c are mandatory):
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+Options (-i and -f and/or -c are mandatory):
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-a <ipaddr> IP address to assign to target device
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+ -A <ipaddr> IP address to assign to interface
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-c <command> Command to run before (or instead of) TFTP upload
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-f <firmware> Firmware file
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-F <filename> Remote filename to use during TFTP upload
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@@ -34,32 +35,27 @@ Options (-a, -i and -f and/or -c are mandatory):
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### Using nmrpflash
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-Connect your Netgear router to your computer using a network cable.
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-Assign a static IP address to the network adapter that's plugged into
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-the Netgear router.
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+Your Netgear router must be connected to your network using an
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+Ethernet cable. The device running `nmrpflash` must be connected
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+to the same network, using either Wi-Fi or Ethernet.
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-For this example, we'll assume that your network interface is `eth0`.
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-First, we have to assign a static IP address to our network interface.
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-In this example, we'll use `192.168.1.2`. All available network interfaces
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-can be listed using
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+All available network interfaces can be listed using
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```
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# nmrpflash -L
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eth0 192.168.1.2 f2:11:a1:02:03:b1
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```
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-Now we can flash the image. The argument for the `-a` option needs
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-to be a *free* IP address from the same subnet as the one used by your
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-network interface; we'll use `192.168.1.254`. Firmware images can usually
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-be downloaded directly from Netgear. For details on how to do this, see
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-[here](#obtaining-firmware-images). Power on your device immediately
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+Once you've determined the interface to use, we can flash the image. Firmware
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+images can usually be downloaded directly from Netgear. For details on how to
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+do this, see [here](#obtaining-firmware-images). Power on your device immediately
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after starting `nmrpflash`.
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```
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-# nmrpflash -i eth0 -a 192.168.1.254 -f EX2700-V1.0.1.8.img
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+# nmrpflash -i eth0 -f EX2700-V1.0.1.8.img
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Advertising NMRP server on eth0 ... /
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Received configuration request from a4:2b:8c:00:00:01.
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-Sending configuration: ip 192.168.1.254, mask 255.255.255.0.
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+Sending configuration: ip 10.11.12.252, mask 255.255.255.0.
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Received upload request: filename 'firmware'.
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Uploading EX2700-V1.0.1.8.img ... OK
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Waiting for remote to respond.
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@@ -100,11 +96,21 @@ MAC address. It's also possible that your device does not support the NMRP proto
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###### "Timeout while waiting for initial reply."
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-The device did not respond to `nmrpflash`'s TFTP upload request. This could indicate a bug
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-in the TFTP code; try using an external tftp client (busybox in this example), by specifying
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-the `-c` flag instead of the `-f` flag:
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+The device did not respond to `nmrpflash`'s TFTP upload request. By default,
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+`nmrpflash` will assign `10.11.12.252` to the target device, while adding `10.11.12.253`
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+to the network interface specified by the `-i` flag. You can use `-a` to change the IP
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+address assigned to the target (e.g. if your network is `192.168.1.0/24`, specify a *free*
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+IP address, such as `-a 192.168.1.252`), and `-A` to change the IP address used for the
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+network interface.
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-`# nmrpflash -i eth0 -a 192.168.1.254 -c "busybox tftp -p -l EX2700-V1.0.1.8.img 192.168.1.254"`
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+On Linux, `nmrpflash` uses interface alias `:42` by default, so if you specify `-i eth0`,
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+it will actually use `eth0:42`. To override this, manually specify an alias (e.g.
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+`-i eth0:43`).
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+
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+This error message could also indicate a bug in the TFTP code; try using an external tftp
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+client (busybox in this example), by specifying the `-c` flag instead of the `-f` flag:
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+
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+`# nmrpflash -i eth0 -c "busybox tftp -p -l EX2700-V1.0.1.8.img @IP@"`
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###### "Timeout while waiting for CLOSE_REQ."
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