[rbak-nsp] SE400 link aggregation problem with load balancing

[Elma K.]

Unfortunately, there are no commands for lacp protocol under link group... Possible because old SEOS version.

Subject: Re: [rbak-nsp] SE400 link aggregation problem with load balancing
From: ripleydotnet at gmail.com
Date: Wed, 20 Jan 2010 12:12:44 -0700
CC: tanan.satayapiwat at ericsson.com; frans at falco-networks.com; redback-nsp at puck.nether.net
To: elmicak at hotmail.com



make sure you enable lacp active in the link-group.
On 2010-01-20, at 8:53 AM, Elma K. wrote:Source IPs on SE400 side are from the pool configured on that device, and destination IPs are various (Internet traffic for our pppoe subscribers)...
Link IPs should not have meaning in this case, because link is just for transit traffic. Also, source and destination IPs should be different, because
it is the most unlikely that this traffic is from just one subscriber sending to just one IP...


From: tanan.satayapiwat at ericsson.com
To: elmicak at hotmail.com; frans at falco-networks.com; redback-nsp at puck.nether.net
Date: Wed, 20 Jan 2010 10:13:52 -0500
Subject: RE: [rbak-nsp] SE400 link aggregation problem with load balancing

Frans mean the source and destination IP of the packets traveling through the link. It does not have to be IP address of the link itself since the traffic can be transit traffic. Tanan
From: redback-nsp-bounces at puck.nether.net [mailto:redback-nsp-bounces at puck.nether.net] On Behalf Of Elma K.
Sent: Wednesday, January 20, 2010 4:10 PM
To: frans at falco-networks.com; redback-nsp at puck.nether.net
Subject: Re: [rbak-nsp] SE400 link aggregation problem with load balancing

The link is with /30 mask, so I can not take just 1 higher IP... Maybe I can change both IPs on this link, 
but I have to check this with a coleague that works on the other device, to see if this is possible for him.

I will let You know when I get this info. In the meantime, if there is any other idea, I would appreciate it.

Regards
Elma



Date: Wed, 20 Jan 2010 16:03:25 +0100
Subject: Re: [rbak-nsp] SE400 link aggregation problem with load balancing
From: frans at falco-networks.com
To: elmicak at hotmail.com; redback-nsp at puck.nether.net

Hi Elma,

Do you by any change use the same IP address as destination and/or source?
The way the balancing works is based on something like source IP plus destination IP plus destination port, that will stick to the same physical link.
I ran into this problem once, solved the test by adding another source 1 IP address higher and that took another link. 

I don’t know if you have the same kind of trouble there.

Kind regards,


Frans.


From: "Elma K." <elmicak at hotmail.com>
Date: Wed, 20 Jan 2010 14:57:15 +0000
To: <redback-nsp at puck.nether.net>
Subject: [rbak-nsp] SE400 link aggregation problem with load balancing

Hello.

I have SE400 connected to other device, and I have configured link aggregation on SE400, 
everything works fine except load-balancing from Redback's side... 
Traffic that is going from redback is not balanced on link group members, it is gong only on one port.

I guess there must be some configuration to change the way the device is doing this load balancing
between group members.

My device is with SEOS-2.6.7 (no chance for upgrade, unfortunately)
and the config is like this:

link-group hsiUplink-2PCh ether
 bind interface uplink-2 hsi

port ethernet 1/5
 link-group hsiUplink-2PCh
!
port ethernet 1/7
 link-group hsiUplink-2Ch
!
port ethernet 3/12
 link-group hsiUplink-2PCh
!

Could anyone help me, please?

Best Regards.
Elma
       
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