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Will winpcap & tracetcp cause any problem to Netbackup & Win 2008

Posted on 2013-01-14
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Last Modified: 2013-01-25
http://tracetcp.sourceforge.net/

I'm contemplating to install tracetcp on our Netbackup NBU 7.1
media server but tracetcp requires winpcap.

As it's a production media server (& I can't have a laptop or
test server on this LAN switch anymore), any concern that
winpcap or tracetcp will cause a problem to the NIC/OS/
backup jobs?

We have been facing intermittent ftp job failures between
2 separate sites that goes through WAN & there's at least
9 hops between the ftp client & server.

'ping -r .....' uses icmp which may not show the hop where
the problem lies & I thought of using tracetcp to simulate
tcp21 (ie as closely as possible to ftp)
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Question by:sunhux
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6 Comments
 
LVL 83

Accepted Solution

by:
David Johnson, CD, MVP earned 1500 total points
ID: 38777300
instead of ping -r try tracert
0
 

Author Comment

by:sunhux
ID: 38777907
Wouldn't  it be better to do:
  tracetcp  destination_IP:ftp
to simulate a true ftp packet ?
0
 

Author Comment

by:sunhux
ID: 38777913
I also find 'tracert destination_IP" is rather slow,
instead "tracert -d ..." is much faster
0
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Author Comment

by:sunhux
ID: 38796311
Not quite answered
0
 

Author Comment

by:sunhux
ID: 38796313
When the ftp got disconnected, the 'tracert -d ..." & ping (a script
that pings every single hop on the MetroWAN), did not show any
problem/timeout at all.

Now I found I can't do 'tracetcp ...' on the network as SYN packets
are blocked on the MetroWAN

Is there any freeware ftp client which could do a 'low-bandwidth'
ftp to simulate & capture a full trace so that we could narrow
down if this is a Telco, the remote end ftp or the switches/router/
firewalls in between that's causing the occasional disconnects?
0
 

Author Closing Comment

by:sunhux
ID: 38818166
not quite answered
0

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