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тАО09-04-2008 09:53 PM
тАО09-04-2008 09:53 PM
We have a DL 380 G5 Server running RHEL 4 AS U5 2 NIC are Teamed .
I have tried configuring it for Active Backup as well as Load Balaning .
The issues is i get lots of packet losss when i do a continous ping ,
1) Ist NIC is Configured as Broadcom
2) 2Nd NIC is Configured as e1000 Driver .
both the interface are 1000 MBps Full Duplex .
Testing
If i bring down one interface i dont see any packet loss .
PLs let me know how can i fix this issue .
Karthik
Solved! Go to Solution.
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тАО09-05-2008 05:45 AM
тАО09-05-2008 05:45 AM
Re: Bonding issues with RHEL 4 AS U5
I think your problem is bonding is really designed for two NIC cards of the same variety.
The Intel Card is more capable of bonding configuration than the broadcom.
As a matter of fact I don't think the broadcom can do anything other than active-passive. Paired with an Intel card that might not even be possible.
Now pair a couple of Intel NIC cards and you can load balance.
SEP
Owner of ISN Corporation
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тАО09-05-2008 08:27 AM
тАО09-05-2008 08:27 AM
Re: Bonding issues with RHEL 4 AS U5
-2. What type of cards will work with it?
-
- Any Ethernet type cards (you can even mix cards - a Intel
- EtherExpress PRO/100 and a 3com 3c905b, for example).
- You can even bond together Gigabit Ethernet cards!
I am not discounting SEP's reply, but you may have other issues.
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тАО09-05-2008 09:07 AM
тАО09-05-2008 09:07 AM
Re: Bonding issues with RHEL 4 AS U5
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тАО09-05-2008 09:56 PM
тАО09-05-2008 09:56 PM
Re: Bonding issues with RHEL 4 AS U5
Thanks fr u r replies .
my ifcfg-eth0 and ifcfg-eth2 is as follows
COnfig of eth0 - Broadcom NIC
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=none
MASTER=bond0
SLAVE=yes
USRCTL=no
Config of ifcfg-eth2 - Intel Pro 1000
DEVICE=eth2
ONBOOT=yes
BOOTPROTO=none
MASTER=bond0
SLAVE=yes
USRCTL=no
Config of Bonding
DEVICE=bond0
IPADDR=XX.XX.XX.XX
NETMASK=255.255.255.0
NETWORK=XX.XX.XX.XX
BROADCAST=XX.XX.XX.XX
ONBOOT=yes
BOOTPROTO=none
USERCTL=no
Config of modprobe.conf
alias eth0 bnx2
alias eth1 bnx2
alias eth2 e1000
alias eth3 e1000
alias bond0 bonding
I noticed a strange behaviour when we start the applications like tibco
We notice lots of packet loss
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тАО09-08-2008 05:23 AM
тАО09-08-2008 05:23 AM
Solutionoptions bond0 mode=0 miimon=100
By default miimon is 0 so it is off. miimon is used to verify that the nic's are active. This might not fix your issue, but you might consider the change.
>> If i bring down one interface i dont see any packet loss .
When you do this are you trying it with each nic, or just one? Have you tried changing cables?
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тАО09-08-2008 06:25 AM
тАО09-08-2008 06:25 AM
Re: Bonding issues with RHEL 4 AS U5
options bond0 mode=0 miimon=100
By default miimon is 0 so it is off. miimon is used to verify that the nic's are active. This might not fix your issue, but you might consider the change.
>> If i bring down one interface i dont see any packet loss .
When you do this are you trying it with each nic, or just one? Have you tried changing cables?
Hi
Thanks for u reply
I had tried with bringing down one interface at a time and checked .
There was not packet loss
So now i tried with active backup instead of round robin
options mode=1 miimon=100 and the issues seems to be fixed now
Karthik