RHEL 3 ES EtherChannel Bonding Problem

  • frankcheong
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  • frankcheong
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Post 3+ Months Ago

I have problem with EtherChannel Bonding. Where I have no problem in
setting it up (according to the procedure given in the SAG) and it
works fine under light load. However, I have the following two
findings.


1. The throughput is much slower than using single NIC.
2. I have checked the ethereal log that there are a lot of ACK and even
Segment lost. In addition, there are a lot of DUP ACK also.


I have tried to connect my server onto two different switch (planet and
cisco 2970) which is a hundred and giga switch but unfortunately I got
problem with both switch.


I have tried to change the setting (mode=1 and mode=5 or mode=6) but
without luck, the same thing happened.


please find below the setting of /etc/modules.conf


alias bond0 bonding
options bonding miimon=100 mode=1 updelay=5000 arp_interval=1000
arp_ip_target=10.1.1.1 use_carrier


where 10.1.1.1 is the other host and it is also a RHEL ES 3 while it
just has a single leg and I am trying this test on a separated
environment.
  • Anonymous
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Post 3+ Months Ago

  • Daemonguy
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Post 3+ Months Ago

Out of curiosity, what filesystem you using? GPFS by any chance?
  • frankcheong
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  • frankcheong
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Post 3+ Months Ago

I wanted to, but not yet installed. For now it is only EXT3. Any diff ?

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