Date: Wed, 27 Jan 1999 18:56:47 +0000 From: Chris Stenton <jacs@gnome.co.uk> To: stabel@FreeBSD.ORG Cc: freebsd-questions@FreeBSD.ORG Subject: strange routing problem with 3.0-stable Message-ID: <199901271856.SAA03584@hawk.gnome.co.uk>
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I have just come across a strange routing problem on 3.0-stable. I have just
changed
my box into a ppp gateway to the outside world and use "pppd defaultroute" to
set
the default route out. I have used the same script that worked fine on 2.2.8.
here is the netstat on the interfaces
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
xl0 1500 <Link> 00.10.5a.4c.b2.31 220366 3 62749 0 10250
xl0 1500 193.243.228.1 193.243.228.142 220366 3 62749 0 10250
lp0* 1500 <Link> 0 0 0 0 0
tun0* 1500 <Link> 0 0 0 0 0
sl0* 552 <Link> 0 0 0 0 0
ppp0 1500 <Link> 1053 0 1055 0 0
ppp0 1500 193.243.224.2 193.243.224.22 1053 0 1055 0 0
lo0 16384 <Link> 552 0 552 0 0
lo0 16384 127 127.0.0.1 552 0 552 0 0
Here is the routing info
hawk: {12} netstat -rn
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif Expire
default 193.243.224.21 UGSc 20 309 ppp0
127.0.0.1 127.0.0.1 UH 1 51 lo0
193.243.224.21 193.243.224.22 UH 20 0 ppp0
193.243.228.128/28 link#1 UC 0 0 xl0
193.243.228.132 0:0:a4:10:6:e5 UHLW 1 41 xl0 1186
193.243.228.133 0:80:c8:27:f8:b7 UHLW 1 39 xl0 1109
193.243.228.135 0:80:c8:27:f4:e8 UHLW 1 62629 xl0 1039
193.243.228.142 0:10:5a:4c:b2:31 UHLW 3 503 lo0
193.243.228.143 ff:ff:ff:ff:ff:ff UHLWb 3 34 xl0
Now if I do a traceroute to the xl0 interface I get
traceroute to 193.243.228.142 (193.243.228.142), 30 hops max, 40 byte packets
1 hawk (193.243.228.142) 0.122 ms 0.062 ms 0.051 ms
as expected. However, if I do the same to ppp0
traceroute to 193.243.224.22 (193.243.224.22), 30 hops max, 40 byte packets
1 gnome-port.gw.cerbernet.co.uk (193.243.224.21) 130.645 ms 135.934 ms
134.268 ms
2 gnome.gw.cerbernet.co.uk (193.243.224.22) 294.829 ms 293.293 ms 292.661
ms
It goes down the line and then back again! This makes some of my progs run
REALLY slowly as the data goes down the modem line and then back up!
Any ideas.
Chris
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