ppp interruption
Brian Walker
bfwalker at gmail.com
Wed Feb 7 07:35:04 UTC 2007
Greetings all,
Problem with maintaining the internet connection: on startup I do:
# ppp -ddial internet
and all is well. It may be 2 days, it may be one hour later I fail to
connect to mail and internet. When I check the connection using:
$ bash-2.05b$ netstat -rn
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif Expire
default 202.64.10.27 UGS 0 18028 tun0
127.0.0.1 127.0.0.1 UH 0 441 lo0
202.64.10.27 210.17.143.28 UH 1 0 tun0
So all would still appear to be OK, but nevertheless I get no mail and no
connection to a web page. OK, I redo ppp -ddial internet, and I get the
following netstat -rn printout:
bash-2.05b$ netstat -rn
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif
Expire
default 202.64.10.32 UGS 0 18090 tun1
127.0.0.1 127.0.0.1 UH 0 441 lo0
202.64.10.27 210.17.143.28 UH 0 0 tun0
202.64.10.32 210.17.197.153 UH 1 0 tun1
And all works for a while, but ..... stops. So I reboot, and all works like
a charm.
Checking /var/log/ppp.log I see episodes of this:
Feb 7 12:18:17 ppp[9716]: Warning: iface add: ioctl(SIOCAIFADDR,
210.17.198.175 -> 202.64.10.32): File exists
Feb 7 12:18:17 ppp[9716]: Error: ipcp_InterfaceUp: unable to set ip
address
Feb 7 12:18:32 ppp[9716]: Phase: bundle: Terminate
Feb 7 12:18:32 ppp[9716]: Phase: deflink: open -> lcp
Feb 7 12:18:32 ppp[9716]: Phase: deflink: Disconnected!
Feb 7 12:18:32 ppp[9716]: Phase: deflink: lcp -> logout
Feb 7 12:18:32 ppp[9716]: Phase: deflink: logout -> hangup
Feb 7 12:18:32 ppp[9716]: Phase: deflink: Disconnected!
But reconnecting gives this output:
Feb 7 13:53:08 ppp[1292]: Phase: Using interface: tun1
Feb 7 13:53:08 ppp[1292]: Phase: deflink: Created in closed state
Feb 7 13:53:30 ppp[1357]: Phase: PPP Started (ddial mode).
Feb 7 13:53:30 ppp[1357]: Phase: bundle: Establish
Feb 7 13:53:30 ppp[1357]: Phase: deflink: closed -> opening
Feb 7 13:53:30 ppp[1357]: Phase: deflink: Connected!
Feb 7 13:53:30 ppp[1357]: Phase: deflink: opening -> dial
Feb 7 13:53:30 ppp[1357]: Phase: deflink: dial -> carrier
Feb 7 13:53:31 ppp[1357]: Phase: Received NGM_PPPOE_ACNAME (hook
"VTA23-1-RX")
Feb 7 13:53:31 ppp[1357]: Phase: Received NGM_PPPOE_SESSIONID
Feb 7 13:53:31 ppp[1357]: Phase: Received NGM_PPPOE_SUCCESS
Feb 7 13:53:31 ppp[1357]: Phase: deflink: carrier -> login
Feb 7 13:53:31 ppp[1357]: Phase: deflink: login -> lcp
Feb 7 13:53:32 ppp[1357]: Warning: deflink: Reducing configured MRU from
1500 to 1492
Feb 7 13:53:32 ppp[1357]: Phase: bundle: Authenticate
Feb 7 13:53:32 ppp[1357]: Phase: deflink: his = PAP, mine = none
Feb 7 13:53:32 ppp[1357]: Phase: Pap Output: myname at myisp ********
Feb 7 13:53:32 ppp[1357]: Phase: Pap Input: SUCCESS ()
Feb 7 13:53:32 ppp[1357]: Phase: deflink: lcp -> open
Feb 7 13:53:32 ppp[1357]: Phase: bundle: Network
Feb 7 13:53:32 ppp[1357]: Phase: deflink: IPV6CP protocol reject closes
IPV6CP !
1. What are the possible causes?
2. Why does the routing table still show an active connection?
3. What steps could I take in troubleshooting?
Sadly, the FreeBSD handbook and FreeBSD Unleashed do not have the answers,
and google is rather dry on the subject.
In hope
Brian
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