Network Service down
Issue
- We got service down alert. After we restarted network service was o.k.
-
the following alert message was informed at 22:16 by DBA-side.
ORA-03114: not connected to ORACLE -
This server uses only eth0 and i could not confirm the any trouble of network interface. before restart network service, i checked the following.
# netstat -r Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 172.19.112.0 * 255.255.255.0 U 0 0 0 eth0 169.254.0.0 * 255.255.0.0 U 0 0 0 eth0 -
To resolve this issue(not getting the default gateway), i restarted the network service.
# netstat -r Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 172.19.112.0 * 255.255.255.0 U 0 0 0 eth0 169.254.0.0 * 255.255.0.0 U 0 0 0 eth0 default 172.19.112.1 0.0.0.0 UG 0 0 0 eth0
Environment
- Red Hat Enterprise Linux 5.1
- kernel-2.6.18-53.el5-x86_64
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