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ALB load balancing broadcast/flood all ports?
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10-25-2011 09:25 AM - edited 10-25-2011 10:13 AM
10-25-2011 09:25 AM - edited 10-25-2011 10:13 AM
ALB load balancing broadcast/flood all ports?
ALB load balancing broadcast/flood all ports?
We have 2*E2510-24G with a few VLANs and port 1+2 is configured as Trk1 with all the VLANs. We notice when we have a Linux server connected to a port on each switch and bond the NICs using ALB (Adaptive Load Balancing) that during traffic load, the switch seems to broadcast/flood all the ports with the traffic. If we configure it using Active/Passive instead, the problem goes away.
We notice this because we SNMP monitor traffic on all ports and during copying of large files to/from this server, even ports where VERY low-traffic servers are connected, receive 100+ Mbit traffic.
We have seen some discussions where ALB can behave strange when connected to different switches.
Is this normal behaviour? Comments?
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09-27-2017 08:22 AM
09-27-2017 08:22 AM
Re: ALB load balancing broadcast/flood all ports?
Re: ALB load balancing broadcast/flood all ports?
Hello,
We got the same issue but we are using Lefthand 12.6.
JonB, what switch are you using ?
Regards
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10-01-2017 12:57 PM
10-01-2017 12:57 PM
Re: ALB load balancing broadcast/flood all ports?
Re: ALB load balancing broadcast/flood all ports?
> We got the same issue but we are using Lefthand 12.6.
FYI: This is the StoreVirtual OS.
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10-01-2017 09:07 PM
10-01-2017 09:07 PM
Re: ALB load balancing broadcast/flood all ports?
Re: ALB load balancing broadcast/flood all ports?
I'm not really sure since this was 6 years ago but looking back at my emails we contacted HP support. What we did in the end was to update the network switches (to W.14.65?) . We might also been doing some configuration on the flow control.
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10-02-2017 02:10 AM
10-02-2017 02:10 AM
Re: ALB load balancing broadcast/flood all ports?
Re: ALB load balancing broadcast/flood all ports?
This series is retired now, but you should contact HP support with this strange behavior.
Be sure to be on the latest firmware version before contacting support.
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