Internetcameras -
Bob Goodwin
bobgoodwin at wildblue.net
Thu Feb 18 18:47:29 UTC 2010
On 18/02/10 12:54, Bill Davidsen wrote:
> Bob Goodwin wrote:
>
>> I bought a Zonet ZVC7611W "IP Camera" Newegg had on sale with the
>> intention of watching an area I can't see from the window near my desk.
>> They work ok with the Windows software, I can view the video images.
>>
>> I can access it over our wireless LAN with Firefox from this F-12
>> computer and set all the configuration parameters without a problem and
>> in fact did so. But I don't know how to go about viewing the pictures.
>>
>> Video applications such as VLC and Totem don't respond to the IP address
>> assigned via dhcp at the the wireless router, 192.168.1.51. Those
>> programs seem to want a file rather than an URL?
>>
>>
> First, I would use tcpdump to see what it actually is using, but I suspect you
> need some form of the "UCP://" address, to capture and display streaming video.
>
>
Where do I tell tcpdump to look. tcpdump -eth0 just displays a help
file. I don't know how to use it. Ok, the man page helps.
tcpdump -i eth0 displays a lot of data as below:
On 18/02/10 12:54, Bill Davidsen wrote:
> Bob Goodwin wrote:
>
>> I bought a Zonet ZVC7611W "IP Camera" Newegg had on sale with the
>> intention of watching an area I can't see from the window near my desk.
>> They work ok with the Windows software, I can view the video images.
>>
>> I can access it over our wireless LAN with Firefox from this F-12
>> computer and set all the configuration parameters without a problem and
>> in fact did so. But I don't know how to go about viewing the pictures.
>>
>> Video applications such as VLC and Totem don't respond to the IP address
>> assigned via dhcp at the the wireless router, 192.168.1.51. Those
>> programs seem to want a file rather than an URL?
>>
>>
> First, I would use tcpdump to see what it actually is using, but I suspect you
> need some form of the "UCP://" address, to capture and display streaming video.
>
>
Where do I tell tcpdump to look. tcpdump -eth0 just displays a
help file. I don't know how to use it. Ok, the man page helps.
tcpdump -i eth0 displays a lot of stuff but nothing I can
identify as coming from the camera. Everything comes to this
computer as Ethernet via a wireless bridge and a router
downstairs. I see stuff like below:
13:23:28.349991 IP 192.168.1.6.32874 >
yw-in-f109.1e100.net.pop3s: Flags [P.], seq 1:311, ack 1, win
46, options [nop,nop,TS val 36385575 ecr 58139355], length 310
13:23:28.410430 IP yw-in-f109.1e100.net.pop3s >
192.168.1.6.32874: Flags [.], ack 311, win 4096, options
[nop,nop,TS val 58139362 ecr 36385575], length 0
13:23:29.294222 IP 192.168.1.6.58964 >
resolver2.opendns.com.domain: 57578+ PTR?
6.1.168.192.in-addr.arpa. (42)
13:23:29.784862 IP yw-in-f109.1e100.net.pop3s >
192.168.1.6.32874: Flags [P.], seq 1:123, ack 311, win 4096,
options [nop,nop,TS val 58139499 ecr 36385575], length 122
13:23:29.784907 IP 192.168.1.6.32874 >
yw-in-f109.1e100.net.pop3s: Flags [.], ack 123, win 46, options
[nop,nop,TS val 36387009 ecr 58139499], length 0
13:23:29.785550 IP 192.168.1.6.32874 >
yw-in-f109.1e100.net.pop3s: Flags [P.], seq 311:354, ack 123,
win 46, options [nop,nop,TS val 36387010 ecr 58139499], length 43
13:23:29.840444 IP yw-in-f109.1e100.net.pop3s >
192.168.1.6.32874: Flags [.], ack 354, win 4096, options
[nop,nop,TS val 58139505 ecr 36387010], length 0
None of which I recognize as coming from the camera which should
be 192.168.1.51.
This computer is 192.168.1.6.
Bob
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