Date: Thu, 29 Jun 2000 21:42:06 -0700 (PDT) From: pstern@ptialaska.net To: freebsd-gnats-submit@FreeBSD.org Subject: i386/19593: on ppp connection the default route is lost at random intervals Message-ID: <20000630044206.01A1237B5B5@hub.freebsd.org>
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>Number: 19593
>Category: i386
>Synopsis: on ppp connection the default route is lost at random intervals
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Jun 29 21:50:01 PDT 2000
>Closed-Date:
>Last-Modified:
>Originator: peter stern
>Release: 4.0-RELEASE F4.0
>Organization:
>Environment:
FreeBSD jago.65north.com 4.0-RELEASE FreeBSD 4.0-RELEASE #0: Mon Mar 20 22:50:22 GMT 2000 root@monster.cdrom.com:/usr/src/sys/compile/GENERIC i386
>Description:
At random intervals, sometimes after only 5 minutes, sometimes up to several hours after the dial up connection is established,
the default route disappears and must be added manually. It happens whether
I am using nat or not or if filters are being used or not. It occurs
while connections are actively moving data.
Modem connection is via a Courier v.90 connecting to ISP running USR Total control or Cisco AS5200 servers.
Sameple entry from ppp.conf
PAP:
set phone 5555555
set login
set authname XXXXX
set authkey XXXXX
set timeout 12000
set filter in 0 permit tcp dst eq 113
set filter out 0 permit tcp src eq 113
set filter in 1 permit tcp src eq telnet estab
set filter out 1 permit tcp dst eq telnet
set filter in 2 permit tcp src eq ftp estab
set filter out 2 permit tcp dst eq ftp
set filter in 3 permit tcp src eq ftp-data dst gt 1023
set filter out 3 permit tcp dst eq ftp-data
set filter in 4 permit tcp src eq 43
set filter out 4 permit tcp dst eq 43
set filter in 5 permit udp src eq 43
set filter out 5 permit udp dst eq 43
set filter in 6 permit udp src eq 53
set filter out 6 permit udp dst eq 53
set filter in 7 permit udp src eq 407
set filter out 7 permit udp dst eq 407
set filter in 8 permit icmp
set filter out 8 permit icmp
set filter in 9 permit udp dst gt 33433
set filter out 9 permit udp dst gt 33433
set filter in 10 permit tcp src eq 22 estab
set filter out 11 permit tcp dst eq 22
set filter in 12 permit tcp src eq 25
set filter out 12 permit tcp dst eq 25
set filter in 13 permit tcp src eq 80 estab
set filter out 13 permit tcp dst eq 80
set filter in 14 permit tcp src eq 143 estab
set filter out 14 permit tcp dst eq 143
set filter in 15 permit tcp src eq 443 estab
set filter out 15 permit tcp dst eq 443
set filter in 16 permit tcp src eq 407
set filter out 16 permit tcp dst eq 407
set filter in 17 permit tcp src eq 1417 dst lt 1421
set filter out 17 permit tcp dst gt 1416
set filter in 18 permit 0/0 209.193.8.96/27
set filter out 18 permit 209.193.8.96/27 0/0
set filter in 19 permit tcp src eq 5998
set filter out 19 permit tcp dst eq 5998
set filter in 20 permit tcp src eq 5999
set filter out 20 permit tcp dst eq 5999
Sample ppp.linkup
# Otherwise, simply add peer as default gateway.
#
MYADDR:
# delete 0
add 0 0 HISADDR
I have a static IP assigned via radius upon connecting. The route appears to be fine upon initial connection.
output of inet rnf inet
ROOT:jago:/etc/ppp >netstat -rnf inet
Routing tables
Internet:
Destination Gateway Flags Netif Expire
default 208.151.118.1 UGSc tun0
127.0.0.1 127.0.0.1 UH lo0
208.151.118.1 208.151.111.225 UH tun0
209.193.8.96/27 link#1 UC fxp0 =>
209.193.8.97 0:a0:c9:5b:6:9d UHLW lo0
209.193.8.99 0:90:27:62:2:27 UHLW fxp0 839
209.193.8.111 0:a0:c9:73:e3:20 UHLW fxp0 1042
When it drops, the default entry disappears. The tun0 entry with my static ip and the gateway ip remains.
This is getting to be very frustating. The problem began with FreeBSD 3.5 and has gotten worse with 4.0
Thanks
peter
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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