Network Error Issues faced

Hi All,
I am not able to ping to my local network in ubuntu 9.04 mii-tools commonds showing link is ok only self ping and loop back is working but not ping to other machine which is in lan.
here my logs file.

Oct  1 03:39:06 escon-333 kernel: [    9.134075] type=1505 audit(1285884545.560:8): operation="profile_load" name="/usr/sbin/cupsd" name2="default" pid=1924
Oct  1 03:39:06 escon-333 kernel: [    9.159001] type=1505 audit(1285884545.584:9): operation="profile_load" name="/usr/sbin/tcpdump" name2="default" pid=1928
Oct  1 03:39:06 escon-333 kernel: [    9.366191] r8169: eth0: link up
Oct  1 03:39:06 escon-333 kernel: [    9.366198] r8169: eth0: link up
Oct  1 03:39:08 escon-333 kernel: [   11.627143] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
Oct  1 03:39:08 escon-333 kernel: [   11.627146] Bluetooth: BNEP filters: protocol multicast
Oct  1 03:39:08 escon-333 kernel: [   11.635528] Bridge firewalling registered
Oct  1 03:39:09 escon-333 kernel: [   12.889729] [drm] Initialized drm 1.1.0 20060810
Oct  1 03:39:09 escon-333 kernel: [   12.897602] pci 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
Oct  1 03:39:09 escon-333 kernel: [   12.897752] [drm] Initialized i915 1.6.0 20080730 on minor 0


Solution

As per my knowledge you cannot ping your gateway also.

when you start or restart your network service what is the error showing?

or can u paste here your network configuration in /etc/network/interfaces.

or also check u r iptables rules in your machine.