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тАО07-04-2011 06:28 AM
тАО07-04-2011 06:28 AM
Hi,
I am running RH Linux 5.4 and I am unable to ping the gateway or any other server on its vlan despite the fact that the ethernet links are being detected by 'ethtool'.
The gateway is configured correctly in the routing table.
I have checked the ethernet settings (ifcfg-bond0/eth0/eth4) and everything appears to be correct.
I have restarted the network and the ports shutdown and restart without any errors.
I can ping my host IP so ICMP is enabled. I suspect an issue with the switch port but this is a remote server and I only have visibility via the ILO which again does not show any errors.
Also when I run a 'watch ifconfig bond0' I can see packet passing through the NIC.
I have also configured /etc/modprobe.conf тАУ тАЬalias bond0 bondingтАЭ
# modprobe --list | grep bonding
/lib/modules/2.6.18-164.el5PAE/kernel/drivers/net/bonding/bonding.ko
Any ideas?
R,
D
Solved! Go to Solution.
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тАО07-04-2011 06:35 AM
тАО07-04-2011 06:35 AM
Re: RH Networking
Hi,
How about
#netstat -rn output?
are this server run under virtual server?
BR
Naj
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тАО07-04-2011 07:15 AM
тАО07-04-2011 07:15 AM
Re: RH Networking
Hi,
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 bond1
192.168.235.0 0.0.0.0 255.255.255.0 U 0 0 0 bond0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 bond1
0.0.0.0 192.168.235.1 0.0.0.0 UG 0 0 0 bond0
R,
D
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тАО07-04-2011 07:26 AM
тАО07-04-2011 07:26 AM
Re: RH Networking
Your routing table looks ok.If you running under virtual machine, it probably issue with VC which is need to be restart.
Run tcpdump to check packet go through and you may get some hints to start troubleshoot.
Thanks
BR
Naj
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тАО07-04-2011 08:10 AM
тАО07-04-2011 08:10 AM
Re: RH Networking
Hi,
My tcpdump output shows successful Tx & Rx of packets with no errors.
The output of "watch ifconfig bond0" also shows packets getting transmitted & recieved with no errors.
R,
D.
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тАО07-04-2011 09:52 AM
тАО07-04-2011 09:52 AM
Re: RH Networking
......still unable to ping the gateway or any other server on the vlan though???
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тАО07-05-2011 04:03 AM