ppp interruption

[Peter]

Le Mercredi 7 Février 2007 02:10, Brian Walker a écrit :
> 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?

You know the drill.  Give us something to work with (hint: ppp.conf).

PM