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тАО07-19-2010 07:10 AM
тАО07-19-2010 07:10 AM
3 NICs
root@pigpen:/> netstat -rn
Routing tables
Destination Gateway Flags Refs Interface Pmtu
127.0.0.1 127.0.0.1 UH 0 lo0 4136
172.20.20.67 172.20.20.67 UH 0 lan900 4136
172.18.1.73 172.18.1.73 UH 0 lan0 4136
172.18.1.0 172.18.1.73 U 2 lan0 1500
172.20.20.0 172.20.20.67 U 2 lan900 1500
127.0.0.0 127.0.0.1 U 0 lo0 0
default 172.20.20.250 UG 0 lan900 0
root@pigpen:/> lanadmin -x -v 900
Link Aggregate PPA # : 900
Number of Ports : 2
Ports PPA : 2 1
Link Aggregation State : LINKAGG MANUAL
Group Capability : 5
Load Balance Mode : MAC Address based (LB_MAC)
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тАО07-19-2010 07:42 AM
тАО07-19-2010 07:42 AM
Re: 3 NICs
lan0 is probably defined as the default gateway on your system. That is why some traffic goes on it, in spite of your APA configuration.
Take a look at nwmgr output for more data here.
A good way to get all traffic to go over your aggregate LAN is to build an aggregate including all interfaces.
Right now you are not really load balancing. To support LB_MAC load balancing, you will need to have your switch configuration adjusted to accommodate this.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО07-19-2010 08:03 AM
тАО07-19-2010 08:03 AM
Re: 3 NICs
Can you help me dig a bit deeper into lan0. I would like to unplug it but that results in some networks being unreachable.
Mike
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тАО07-19-2010 08:47 AM
тАО07-19-2010 08:47 AM
Re: 3 NICs
No, do not unplug lan0.
Go through the APA configuration guide and set up an Aggregate network that includes lan0.
Then lan0 traffic will be lan900 traffic, even in manual mode.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО07-19-2010 09:23 AM
тАО07-19-2010 09:23 AM
Re: 3 NICs
I would like to disable/remove the lan0 connection. The APA has 2 links now. We really dont need the 3rd. So I would like unplug and have all traffic route thru the APA but when we unplug it we loose some connectivity. I would like to figure out why this lan0 has any traffic at all and config it out of any use.
Mike
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тАО07-20-2010 09:37 AM
тАО07-20-2010 09:37 AM
Re: 3 NICs
If you simply unplug lan0 and do not bring it down and/or unplumb it, it could be that the routing code takes a while to decide that route is no good. Assuming that 172.20.20.250 knows how to reach the 172.18.1 subnet, if you ifconfig lan0 0.0.0.0 traffic should start flowing via your lan900 interface.