Hi All, Here's a strange one for you... I have a Linux box with a PCMCIA adapter PCI card in it. Plugged into said card is a cellular modem card. I can configure wvdial and dial the modem card perfectly. My ppp0 interface comes up and I can ping everything. I also have a network card on the motherboard. Once again, by itself the network card works correctly. That is with the modem NOT dialed up. Here's where things get interesting... If I flush the firewall rules: iptables -F Bring down the eth0 interface: ifconfig eth0 down Connect with the modem: wvdial & Bring up the interface: ifconfig eth0 192.168.7.1 At this point the ppp0 interface drops off and redials. It is no longer able to maintain a stable connection. ppp0 and eth0 do not use the same IP range. Thoughts? Shawn
>-----Original Message----- >From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On BehalfOf>Shawn Everett >Sent: Wednesday, July 30, 2008 4:07 PM >To: CentOS mailing list >Subject: [CentOS] Modem network card conflict > >If I flush the firewall rules: iptables -F >Bring down the eth0 interface: ifconfig eth0 down >Connect with the modem: wvdial & >Bring up the interface: ifconfig eth0 192.168.7.1 > >At this point the ppp0 interface drops off and redials. It is no longer >able to maintain a stable connection. ppp0 and eth0 do not use the same >IP range.Maybe IRQ-conflicts? A long-shot but look into the hwconfig and see if there's something fishy. -------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/x-pkcs7-signature Size: 5118 bytes Desc: not available URL: <http://lists.centos.org/pipermail/centos/attachments/20080730/2d52e89d/attachment-0001.bin>