Date: Mon, 26 Aug 2002 16:02:48 +0100 From: "Jamie Heckford" <jamie@jamiesdomain.org.uk> To: "Fabrizio Ravazzini" <freefabri@yahoo.it>, <freebsd-isp@FreeBSD.ORG> Subject: Re: ppp -auto -nat Gateway routing problem Message-ID: <009401c24d11$a7850290$82bf83d5@kandy> References: <20020826145143.80770.qmail@web20110.mail.yahoo.com>
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Possibly a DNS issue? Try running tcpdump to see what traffic is triggering
the
dialup.
Maybe try banging your own IP addresses into /etc/hosts to speed things up a
bit.
Jamie
----- Original Message -----
From: "Fabrizio Ravazzini" <freefabri@yahoo.it>
To: <freebsd-isp@FreeBSD.ORG>
Sent: Monday, August 26, 2002 3:51 PM
Subject: ppp -auto -nat Gateway routing problem
> Hello all. I've done a Gateway on FreeBSD4.5 for a
> small lan, connecting to Internet with a 56K modem.
> On this gateway I've installed also qmail,pop3 and
> courier imap for send and receive(fetchmail) mails
> from internet.
> This the scheme: ed0
> Internet----56Kmodem--Fbsdbox---------------LAN
> 192.168.0.1 192.168.0/24
>
> The problem is that when the modem is disconnected, if
> I try for example to "telnet 192.168.0.1 25" from a
> machine on the Lan to test q-mail, the q-mail server
> takes a very very long time to respond me.
> And if the modem is also light-up, he attempt to
> connect to internet.
> When the modem is connected to internet all works
> well.
> I use user-ppp in this way:
> ppp -auto -nat provider (or with flags in rc.conf)
>
> Looking at the routing tables I see that the default
> route is the 10.0.0.2, right because of the ppp.
> If I delete the default route ("route delete default")
> the q-mail daemon responds ok and also pop and imap,
> but the ppp doesn't work because I deleted the default
> route.
> This is the output of "netstat -rn":
>
> Routing tables
>
> Internet:
> Destination Gateway Flags Refs Use Netif Expire
> default 10.0.0.2 UGSc 0 0 tun0
> 10/24 link#1 UC 0 0 dc0
> 10.0.0.2 10.0.0.1 UH 1 0 tun0
> 127.0.0.1 127.0.0.1 UH 0 0 lo0
> 192.168.0 link#3 UC 0 0 ed0
>
> ~snip IPV6
>
>
> And this is the /etc/rc.conf:
> gateway_enable="YES"
> firewall_enable="YES"
> firewall_type="OPEN"
> hostname="Walrus.Gsg"
> ppp_enable="YES"
> ppp_mode="auto"
> ppp_nat="YES"
> ppp_profile="provider"
> inetd_enable="YES"
> kern_securelevel_enable="NO"
> keymap="it.iso"
> linux_enable="YES"
> moused_enable="NO"
> moused_type="NO"
> nfs_reserved_port_only="NO"
> sendmail_enable="NO"
> sshd_enable="YES"
> ifconfig_dc0="inet 10.0.0.1 netmask 255.255.255.0"
> ifconfig_ed0="inet 192.168.0.1 netmask 255.255.255.0"
>
>
> Anybody knows what do I have to do to make the qmail
> and other servers have a faster response and Internet
> connection working?
>
> Thanks all
>
>
>
>
>
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