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Date:      Sun, 24 Aug 1997 11:52:12 +0100
From:      Brian Somers <brian@awfulhak.org>
To:        The Hermit Hacker <scrappy@hub.org>
Cc:        hackers@FreeBSD.ORG
Subject:   Re: PPP 'Bursts' with newest 3.0-CURRENT... 
Message-ID:  <199708241052.LAA19878@awfulhak.org>
In-Reply-To: Your message of "Sat, 23 Aug 1997 22:18:49 -0300." <Pine.NEB.3.96.970823221441.229A-100000@thelab.hub.org> 

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> 
> Hi...
> 	
> 	I'm really curious as to whether anyone has experience with this.  I'm 
> running 3.0-CURRENT, and have just upgraded to the newest source tree (as of
> today) in the hopes of reducing/eliminating the following 'hills and
> valleys':
> 
> =================
> # netstat -nr
> Routing tables
> 
> Internet:
> Destination        Gateway            Flags     Refs     Use     Netif Expire
> default            127.2.2.2          UGSc       12        0      tun0
> 127.0.0.1          127.0.0.1          UH          1       44       lo0
> 206.231.247.114    206.231.248.173    UH          0        0      tun0

Let me guess that your ppp.conf contains:

 set ifaddr x.x.x.x 127.2.2.2
 add 0 0 127.2.2.2

And your ppp.linkup *doesn't* contain

 delete all
 add 0 0 hisaddr

If this is the case, I'd add the linkup lines.  They'll remove the 
above default and add the correct one.  Also, if it's any help, the 
-current ppp allows you to use hisaddr in ppp.conf too.

> # ping 206.231.247.114
> PING 206.231.247.114 (206.231.247.114): 56 data bytes
> 64 bytes from 206.231.247.114: icmp_seq=0 ttl=64 time=244.708 ms
> 64 bytes from 206.231.247.114: icmp_seq=1 ttl=64 time=260.234 ms
> 64 bytes from 206.231.247.114: icmp_seq=2 ttl=64 time=2310.207 ms
> 64 bytes from 206.231.247.114: icmp_seq=3 ttl=64 time=1320.183 ms
> 64 bytes from 206.231.247.114: icmp_seq=4 ttl=64 time=1730.196 ms
> 64 bytes from 206.231.247.114: icmp_seq=5 ttl=64 time=2390.181 ms
> 64 bytes from 206.231.247.114: icmp_seq=6 ttl=64 time=1390.230 ms
> 64 bytes from 206.231.247.114: icmp_seq=7 ttl=64 time=490.176 ms
> 64 bytes from 206.231.247.114: icmp_seq=8 ttl=64 time=240.180 ms
> 64 bytes from 206.231.247.114: icmp_seq=9 ttl=64 time=2100.158 ms
> =================
> 
> 	This is just me talking to the other end of my PPP link, with the only
> load on the link being the ping session.  No ftp, no telnet, no nothing.
> 
> 	Now, the other end of the link is:
> 
> ============
> Aug 23 22:13:15 thelab ppp[181]: Phase: PapInput: ACK 
> Aug 23 22:13:15 thelab ppp[181]: Phase: Received PAP_ACK (Welcome to NetBlazer) ============
> 
> 	A NetBlazer.
> 
> 	Has anyone ever noticed this when talking to a Netblazer?   I remember back
> in the UUCP days that talking ??->Telebit would give bad 'interactive' response
> times, but still?

What sort of sustained throughput do you get with ftp ?  That's 
usually a good indication of how the line's really behaving.  I'm no 
expert on this though.  My ISP is drifting into another phase of 
lousy service (doing big commits scares me 'cos I don't know if I'm 
going to lose the line due to a 300 second timeout).

> Thanks...
> 
> Marc G. Fournier                                
> Systems Administrator @ hub.org 
> primary: scrappy@hub.org           secondary: scrappy@{freebsd|postgresql}.org 
> 

-- 
Brian <brian@awfulhak.org>, <brian@freebsd.org>
      <http://www.awfulhak.org>;
Don't _EVER_ lose your sense of humour....





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