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[suse-oracle] re: How to test the interconnect with jumbo frames and RAC

Peter Santos

2006-08-07

Replies:

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Folks,
 I'm wondering if anyone knows the proper procedure for
 testing jumbo frame functionality with 10gR2 RAC on SuSe 9 En x86_64bit.

 In my small test environment of 2 nodes, both nodes have 2 nics(eth0,eth1).
 "eth1" on both nodes is configured for the interconnect. As far as I can tell they
 can support GigE transfers... this is from dmesg.

 "e1000: eth1: e1000_watchdog: NIC Link is Up 1000 Mbps Full Duplex"

 I also have a DellPowerConnect 2700 switch that support Jumbo Frames .. up to
 9000 bytes.

 When I do an "ifconfig eth1 mtu 9000" on both machines and restart the cluster,
 the 2 nodes don't seem to talk via the interconnect.

 Is there a more appropriate way to set this up and how do I test it?

TIA
- -peter
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