I run Fedora 7 Linux and use Verizon DSL. My modem is a Westell 6100-E90 modem/router. My DSL connection usually runs well. However, about once a week or so I lose my Internet connection. I originally thought this was due to DSL loss-of-sync. (My telephone line isn't that great. When I used to use dial-up, I got lots of disconnections and retrains.) However, I'm now not sure. When I lose my connection, the DSL LED on my modem remains a solid green. I tried accessing the modem to view the diagnostic log and the modem could not be accessed. I would think that even if I lost sync, I should still be able to access the modem. Following is the result of ifconfig and ping following a connection loss. (When my connection is up, ping 192.168.1.1 works fine.) /var/log/messages does not shed any light on this problem.
Is this a loss of sync, or some other failure? If it is a loss of sync, why can't I access the modem?
I can restore my Internet connection by first power-cycling the modem and after waiting for several minutes, then rebooting. I've not been able restore my connection without a reboot (e.g. service network restart ).[root@localhost ~]# ifconfig eth0 Link encap:Ethernet HWaddr 00:07:E9:01:B2:09 inet addr:192.168.1.47 Bcast:255.255.255.255 Mask:255.255.255.0 inet6 addr: fe80::207:e9ff:fe01:b209/64 Scope:Link UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:184694 errors:0 dropped:0 overruns:0 frame:0 TX packets:135087 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:268419465 (255.9 MiB) TX bytes:7410331 (7.0 MiB) [root@localhost ~]# ping 192.168.1.1 PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data. From 192.168.1.47 icmp_seq=2 Destination Host Unreachable From 192.168.1.47 icmp_seq=3 Destination Host Unreachable From 192.168.1.47 icmp_seq=4 Destination Host Unreachable From 192.168.1.47 icmp_seq=6 Destination Host Unreachable From 192.168.1.47 icmp_seq=7 Destination Host Unreachable From 192.168.1.47 icmp_seq=8 Destination Host Unreachable