Hi,
I have Solaris-10 server and link aggregation is configured on this in below way
There will be switch replacement, so one by one, link will go down from one side. Before that activity, is there any way to check/test, if server will work fine, if one side goes down ? In same way, as used to check by if_mpadm -d in ipmp.
The only way I know of to properly test it is to either physically pull a cable (logically if it's a virtual server) or to down the network interface card. Obviously you would down the physical card that supports one path or the aggregated link. You should be able to get statistics about the aggregated link to show you what is in use. A path should die and then recover when you turn it back on.
Of course, this introduces risk if it doesn't work, so always make sure you have a way to re-enable it all quickly.
Check correct "speed" and "duplex mode" and there should be "link up".
If you use LACP (I think you must use LACP - everything else I have seen being faulty), then check with
The output of a working LACP looks like this:
In Solaris 10 the timer defaults to "short", you should change it to "long" unless told otherwise by the vendor of the connected LAN switches.
"passive" or "active" does not mattter (the connected LAN switch must be "active").
"policy" does not matter.
The "sync" "coll" and "dist" must all be "yes" (otherwise it does not cooperate with the connected LAN switch).
That's all theory.
The practise is: pull a cable and check connectivity.
Ask your LAN switch vendor!
Most vendors support "short" if both NICs are connected to one LAN switch, but not if connected to two different LAN switches.
In the worst case a fail-over does not work. Do the "pull the cable" test at least!
Thanks.
I was able to find a server, on which I can do "pull the cable test".
From below output, it shows that bnx1 cable was pulled out. since aggr is configured igb2 took the traffic and all link sustained. But first line shows "address: 3c:d9:2b:f9:20:5e (auto)" and this MAC address is for bnx1.
Since igb2 took all the traffic now and its mac is f4:ce:46:a7:df:ba , should it not show in auto ? Sorry, I am confused in understanding this.
Hi
ihave three link of internet and iwant to put one linux front of a firewall that this three linux speard firewall such az load balance and fialover but dont close any port and protocol and only firewall have been internet what way can i use for it ?
are there any script and services do that... (0 Replies)
I have setup link aggregation with 3 interfaces on my solaris 10 system.
All looks good but my problem is that the traffic is only going out bge0 and not the other 2 links.
bash-4.3# dladm show-aggr -s
key:33 ipackets rbytes opackets obytes %ipkts %opkts
... (3 Replies)
Hi,
I'm not from the Solaris world and some of these things are new to me. Can someone tell me if it is possible to configure link aggregation without using LACP?
I am told etherchannel was setup without LACP. (3 Replies)
Hi,
I want to Break the Link Aggregation. My aggregation are lan0+lan1 = lan900.
Now I want to break this and put the IP in lan0. But i have cluster environment and this is the main database server.
So It need to change in cluster script.
But I dont know where I have to change it.
Please... (1 Reply)
Me again :)
I'm trying to find a page describing the L2, L3 und L4 modes of dladm.
It's nice to read "hashed by ip header", but how should I use that?
On the file-server it's ok to have the six interfaces serving six clients each on it's own. But an rsync connection via switch between two... (8 Replies)
Hi,
Hoping someone can offer some advice on something i have not dealt with before.
We have a server that seems to have some very strange configuration done on it. It has 2 physical NIC's and rather than both be aggregated into LAN900 we have 1 in LAN900 and 1 in LAN901? (See Below)... (2 Replies)
Hi,
I need to setup a hacmp cluster (my first one, we usually use VCS on AIX), but I require more network bandwith than a normal gigabit etherchannel setup can provide, so I am thinking about using linkaggregation - 2 active adapters to one switch and a single backup adapter to another switch... (4 Replies)
I have some linux machines that I am trying to increase the throughput to on a single connection. They connect to a switch with two 1GbE lines and the switch does not have Link Aggregation support for these machines. I have tried bonding with balance-rr, balance-alb, but the machines can only... (4 Replies)
Hi there
I have a requirement to provide failover to our customer boxes in case of interface / switch failure, I have been looking at Solaris Link Aggregation with LACP and I wanted to ask a question
Ive seen multiple websites that say the following
Does this also mean that if the... (1 Reply)
Hi there
I have a requirement to provide failover to our customer boxes in case of interface / switch failure, I have been looking at Solaris Link Aggregation with LACP and I wanted to ask a question
Ive seen multiple websites that say the following
Does this also mean that if the... (2 Replies)