Dear Friends, I am working on FC4, AMD processor, Duel boot with win 98, onboard VIA network adapter. Problem : I have configured lan to be active on boot, but when I check network i found it inactive, on activation it became active for 20-30 sec but again inactive automatic, during this active period i can ping to other PCs on network. can any body help me to keep active my lan card Content of my /var/log/message , ifconfig and /etc/modprobe.conf is along with this regards Arun /var/log/message Nov 5 10:52:47 localhost fstab-sync[2232]: removed all generated mount points Nov 5 10:52:48 localhost fstab-sync[2243]: added mount point /media/usbdisk for /dev/sda1 Nov 5 10:52:51 localhost NetworkManager: dhcp_interface_init: MAC address = 00:11:5b:d5:55:75 Nov 5 10:52:51 localhost NetworkManager: Broadcasting DHCP_DISCOVER Nov 5 10:52:51 localhost NetworkManager: DHCP: Starting request loop, overall start_time = {1131168171s, 624447us} Nov 5 10:52:51 localhost NetworkManager: DHCP: Request sent, waiting for reply... Nov 5 10:52:51 localhost NetworkManager: DHCP: Got some data of length 1514. Nov 5 10:52:51 localhost NetworkManager: DHCP: Reply message had mismatch in length (IP header said 2772, packet was really 1514), won't use it. Nov 5 10:52:51 localhost NetworkManager: DHCP: Got some data of length 52. Nov 5 10:52:51 localhost NetworkManager: DHCP: Reply message was not UDP (ip_hdr->protocol = 6, IPPROTO_UDP = 17), won't use it. Nov 5 10:52:51 localhost NetworkManager: DHCP: Got some data of length 1514. Nov 5 10:52:51 localhost NetworkManager: DHCP: Reply message had mismatch in length (IP header said 2772, packet was really 1514), won't use it. Nov 5 10:52:51 localhost NetworkManager: DHCP: Got some data of length 52. Nov 5 10:52:51 localhost NetworkManager: DHCP: Reply message was not UDP (ip_hdr->protocol = 6, IPPROTO_UDP = 17), won't use it. Nov 5 10:52:51 localhost NetworkManager: DHCP: Got some data of length 1514. Nov 5 10:52:51 localhost NetworkManager: DHCP: Reply message had mismatch in length (IP header said 2772, packet was really 1514), won't use it. Nov 5 10:52:51 localhost NetworkManager: DHCP: Got some data of length 52. Nov 5 10:52:51 localhost NetworkManager: DHCP: Reply message was not UDP (ip_hdr->protocol = 6, IPPROTO_UDP = 17), won't use it. Nov 5 10:52:51 localhost NetworkManager: DHCP: Got some data of length 1514. Nov 5 10:52:51 localhost NetworkManager: DHCP: Reply message had mismatch in length (IP header said 2772, packet was really 1514), won't use it. Nov 5 10:52:51 localhost NetworkManager: DHCP: Got some data of length 52. Nov 5 10:52:51 localhost NetworkManager: DHCP: Reply message was not UDP (ip_hdr->protocol = 6, IPPROTO_UDP = 17), won't use it. Nov 5 10:52:51 localhost NetworkManager: DHCP: Got some data of length 1514. Nov 5 10:52:51 localhost NetworkManager: DHCP: Reply message had mismatch in length (IP header said 2772, packet was really 1514), won't use it. Nov 5 10:52:52 localhost NetworkManager: DHCP: Got some data of length 52. Nov 5 10:52:52 localhost NetworkManager: DHCP: Reply message was not UDP (ip_hdr->protocol = 6, IPPROTO_UDP = 17), won't use it. Nov 5 10:52:52 localhost NetworkManager: DHCP: Got some data of length 1514. Nov 5 10:52:52 localhost NetworkManager: DHCP: Reply message had mismatch in length (IP header said 2772, packet was really 1514), won't use it. Nov 5 10:52:52 localhost named[2509]: starting BIND 9.3.1 -f -u named -c /var/named/data/NetworkManager-named.conf Nov 5 10:52:52 localhost NetworkManager: DHCP: Got some data of length 52. Nov 5 10:52:52 localhost named[2509]: found 1 CPU, using 1 worker thread Nov 5 10:52:52 localhost NetworkManager: DHCP: Reply message was not UDP (ip_hdr->protocol = 6, IPPROTO_UDP = 17), won't use it. Nov 5 10:52:52 localhost NetworkManager: DHCP: Got some data of length 1514. Nov 5 10:52:52 localhost NetworkManager: DHCP: Reply message had mismatch in length (IP header said 2772, packet was really 1514), won't use it. Nov 5 10:52:52 localhost named[2509]: loading configuration from '/var/named/data/NetworkManager-named.conf' Nov 5 10:52:52 localhost named[2509]: listening on IPv4 interface lo, 127.0.0.1#53 Nov 5 10:52:52 localhost named[2509]: /var/named/data/NetworkManager-named.conf:7: no forwarders seen; disabling forwarding Nov 5 10:52:52 localhost named[2509]: /var/named/data/NetworkManager-named.conf:7: no forwarders seen; disabling forwarding Nov 5 10:52:52 localhost named[2509]: running Nov 5 10:52:52 localhost NetworkManager: DHCP: Got some data of length 52. Nov 5 10:52:52 localhost NetworkManager: DHCP: Reply message was not UDP (ip_hdr->protocol = 6, IPPROTO_UDP = 17), won't use it. Nov 5 10:52:52 localhost NetworkManager: DHCP: Got some data of length 1514. Nov 5 10:52:52 localhost NetworkManager: DHCP: Reply message had mismatch in length (IP header said 2772, packet was really 1514), won't use it. Nov 5 10:52:52 localhost NetworkManager: DHCP: Got some data of length 52. Nov 5 10:52:52 localhost NetworkManager: DHCP: Reply message was not UDP (ip_hdr->protocol = 6, IPPROTO_UDP = 17), won't use it. Nov 5 10:52:52 localhost NetworkManager: DHCP: Got some data of length 1514. Nov 5 10:52:52 localhost NetworkManager: DHCP: Reply message had mismatch in length (IP header said 2772, packet was really 1514), won't use it. Nov 5 10:52:52 localhost NetworkManager: DHCP: Got some data of length 52. Nov 5 10:52:52 localhost NetworkManager: DHCP: Reply message was not UDP (ip_hdr->protocol = 6, IPPROTO_UDP = 17), won't use it. Nov 5 10:52:52 localhost NetworkManager: DHCP: Got some data of length 78. Nov 5 10:52:52 localhost NetworkManager: DHCP: Reply message's source port (137) was not the DHCP server port number (67), won't use it. Nov 5 10:52:52 localhost NetworkManager: DHCP: Got some data of length 1514. Nov 5 10:52:52 localhost NetworkManager: DHCP: Reply message had mismatch in length (IP header said 2772, packet was really 1514), won't use it. Nov 5 10:52:52 localhost NetworkManager: DHCP: Got some data of length 52. Nov 5 10:52:52 localhost NetworkManager: DHCP: Reply message was not UDP (ip_hdr->protocol = 6, IPPROTO_UDP = 17), won't use it. [root@localhost ~]# ifconfig eth0 Link encap:Ethernet HWaddr 00:11:5B:D5:55:75 UP BROADCAST NOTRAILERS RUNNING MULTICAST MTU:1500 Metric:1 RX packets:48 errors:0 dropped:0 overruns:0 frame:0 TX packets:35 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:4307 (4.2 KiB) TX bytes:7609 (7.4 KiB) Interrupt:11 Base address:0xc000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:1184 errors:0 dropped:0 overruns:0 frame:0 TX packets:1184 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1609017 (1.5 MiB) TX bytes:1609017 (1.5 MiB) [root@localhost ~]# [root@localhost ~]# content of /etc/modprobe.conf is as follows : alias eth0 via-rhine #option eth0 speed_duplex=2 alias snd-card-0 snd-via82xx options snd-card-0 index=0 options snd-via82xx index=0 remove snd-via82xx { /usr/sbin/alsactl store 0 >/dev/null 2>&1 || : ; }; /sbin/modprobe -r --ignore-remove snd-via82xx alias usb-controller ehci-hcd alias usb-controller1 uhci-hcd Arun Shrimali M-9414239074 arunudr@xxxxxxxxxxxxx