[ns] PATCH: nse on Linux routing Bug/Problem

["Schramp, R." <R.Schramp@kpn.com>]

Excuses if you receive this email twice, I get the impression the first
version did not reach the mailing list. 

If it did..... I am very sorry,

Ruud Schramp

> -----Original Message-----
> From:	Schramp, R. 
> Sent:	vrijdag 26 januari 2001 17:49
> To:	'ns-users@isi.edu'
> Subject:	PATCH: nse on Linux routing Bug/Problem
> 
> Hello All,
> 
> I had some problems getting the packets sent by the nse.
> 
> Using the pingdemo script, I found that the packets were captured by pcap,
> but didn't get sent by the raw socket: For some reason the packets were
> sent to the loopback device and never got to the Ethernet LAN. Altering
> settings like ip_forwarding didn't matter, also the routing table looked
> OK.
> 
> I finaly got things working by using the "sendto" funtion instead of the
> "send" function. Now the packets are sent to the ethernet port. I only
> patched the portions of ip, not for udp or tcp.
> 
> There still is a problem that linux now sends the packets to the default
> gateway (ethernet hardware address) althoug the destination IP number is
> in the local segment. This unfortunatly leads to ICMP_REDIRECTS on the
> local segment. I would hope the routing kernel of linux to put in the
> right hardware adress.
> 
> Questions to the group/author of the nse portion. Is it feasible to roll a
> complete patch as described into the source (so there must still be some
> work for the other net_ip classes)
> Does someone have any suggestions on how to het on with this
> ICMP_REDIRECTS.
> 
> Greetings,
> 
> Ruud Schramp
> 
>  <<diff>> 
> 
> Log og the pings:
> Reply from 139.63.197.188: bytes=32 time=10ms TTL=31
> Reply from 139.63.197.188: bytes=32 time=10ms TTL=31
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