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[ns] NSE failes to foward packet to second NIC card while running pingdemo under Linux 2.2

To: "'ns-users@isi.edu'" <ns-users@ISI.EDU>
Subject: [ns] NSE failes to foward packet to second NIC card while running pingdemo under Linux 2.2
From: Swigert Scott S Contr AFRL/HEA <Scott.Swigert@williams.af.mil>
Date: Thu, 1 Mar 2001 06:27:10 -0700
Sender: owner-ns-users@ISI.EDU

To All NSE Users,

I have a new problem running nse from ns-2-snapshot-20010223 on Linux 2.2
Kernel 2.2.5.  While running your pingdemo test script I get this warning
and packets do not get sent on second NIC card:

TapAgent(_o14): sendpkt (0x856e568,64) Transport endpoint is not connected

I have also written my own simple script using the bpf network to read from
one Ethernet card and an IP/UDP network to write out to another Ethernet
card.  The result is the bpf network is reading packets forwarding them to
the IP/UDP node but dose not get sent on the second Ethernet card.  The
warning I get is 

TapAgent(_o14): sendpkt (0x8563558,46) Transport endpoint is not connected
UDPIPNetwork(_o12) send failed: Transport endpoint is not connected

Got any suggestion or help.

Thanks,
Scott Swigert
System/Software Engineer
L-3 Communication Link Simulation & Training
scott.swigert@williams.af.mil

Follow-Ups:
- Re: [ns] NSE failes to foward packet to second NIC card while running ping demo under Linux 2.2
  - From: John Heidemann <johnh@ISI.EDU>

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