I did a wireshark capture on the interface connected to  my wrt54g v4 router, running bleeding edge r31158,
rebooted it, and got this packet just before shutdown:


Internet Protocol Version 4, Src: 192.168.1.1 (192.168.1.1), Dst: 192.168.1.255 (192.168.1.255)
    Version: 4
    Header length: 20 bytes
    Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport))
        0000 00.. = Differentiated Services Codepoint: Default (0x00)
        .... ..00 = Explicit Congestion Notification: Not-ECT (Not ECN-Capable Transport) (0x00)
    Total Length: 1029
    Identification: 0x0000 (0)
    Flags: 0x02 (Don't Fragment)
        0... .... = Reserved bit: Not set
        .1.. .... = Don't fragment: Set
        ..0. .... = More fragments: Not set
    Fragment offset: 0
    Time to live: 64
    Protocol: UDP (17)
    Header checksum: 0xb297 [correct]
        [Good: True]
        [Bad: False]
    Source: 192.168.1.1 (192.168.1.1)
    Destination: 192.168.1.255 (192.168.1.255)
User Datagram Protocol, Src Port: 45766 (45766), Dst Port: 4919 (4919)
    Source port: 45766 (45766)
    Destination port: 4919 (4919)
    Length: 1009
    Checksum: 0xa5dc [validation disabled]
        [Good Checksum: False]
        [Bad Checksum: False]
Data (1001 bytes)

0000  de ad 50 6c 65 61 73 65 00 00 00 00 00 00 00 00   ..Please........
0010  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00   ................
0020  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00   ................
...

03b0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00   ................
03c0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00   ................
03d0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00   ................
03e0  00 00 00 00 00 00 00 00 00                        .........
    Data: dead506c6561736500000000000000000000000000000000...
    [Length: 1001]


The "dead" Please caught my eye (and gave me a chuckle)

Is this developer humor at its finest ?
Am I correct that its a "notice" for those who are looking ?

BTW, I added some prose here, anything to add or subtract ?

http://wiki.openwrt.org/inbox/netboot#prerequisites

(Last edited by yoduh on 29 May 2012, 08:03)