I would say yes, as only the L4 farm are using eth1. TCP farms are using eth0 only.
When persistence is enabled protocol is TCP, and when persistance is not enabled, protocol is ALL
Thanks On 19/12/2014 11:56, Laura Garcia wrote:
and the latency is only shown for the 3 l4 farms? I forgot to ask you about the protocol configured.El 19/12/2014 11:41, "tibz" <ti...@tibir.net <mailto:ti...@tibir.net>> escribió:Hello Laura, I've forwarded you off list the message log file. The only strange thing I see is in message.2.gz, at Dec 1 18:36:28 (all dropped packets you will see are because we use customer firewall rules to block access to a farm) The algorithm used is Weight. The type is DNAT. IP Persistence is used in 2 farms. The 3rd farms is not using it. Thanks On 19/12/2014 11:25, Laura Garcia wrote:Hi Tibz, could you attach the /var/log/messages log file? Which kind of algorithm are you using? What about the NAT type? And finally, are you using IP persistence? Thanks! On Fri, Dec 19, 2014 at 11:07 AM, tibz <ti...@tibir.net <mailto:ti...@tibir.net>> wrote: Extra info before someone asks: Load is very low: root@VMWZLB003:~# free -m total used free shared buffers cachedMem: 1010 455 554 0 268 70-/+ buffers/cache: 116 893 Swap: 258 0 258 root@VMWZLB003:~# uptime 11:06:40 up 60 days, 16:47, 2 users, load average: 0.01, 0.01, 0.00 VMtools are installed and running. Network card used in vmware are E1000 Thanks tibz On 19/12/2014 11:01, tibz wrote: > Hello, > > I've a very strange problem with my ZLB cluster running v3.03 in VMWare. > This problem affect only L4 farms. > > Eth0 from where client are coming is 192.168.135.X > Eth1 where the backend servers are is 192.168.118.X > > At the beginning, when from a client I ping 192.168.135.X ou > 192.168.118.X it works with low latency ~1ms (LAN) > However after some times (cluster is up for 60 days), there is an extra > lantency apparently added by ZLB > I've heard issue appeared about 15 days ago, so at uptime around 45 days. > > ## Ping from client > ZLB IP client side: Reply from 192.168.135.231 <http://192.168.135.231>: bytes=32 time<1ms TTL=63 > ZLB IP backend side: Reply from 192.168.118.254 <http://192.168.118.254>: bytes=32 time<1ms TTL=63 > ZLB L4 VIP: Reply from 192.168.135.4 <http://192.168.135.4>: bytes=32 time=72ms TTL=126 > Backend IP: Reply from 192.168.118.1 <http://192.168.118.1>: bytes=32 time=77ms TTL=126 > > ## Ping from ZLB itself > Backend server: 64 bytes from 192.168.118.1 <http://192.168.118.1>: icmp_req=1 ttl=128 time=74.6 ms > A client IP: 64 bytes from 192.168.162.5 <http://192.168.162.5>: icmp_req=1 ttl=127 time=0.367 ms > > ## Ping from Backend > To ZLB: Reply from 192.168.118.254 <http://192.168.118.254>: bytes=32 time=72ms TTL=63 > To another backend: Reply from 192.168.118.2 <http://192.168.118.2>: bytes=32 time<1ms TTL=63 > > So it seems the latency is added somehow between Eth1 and the Backend. > The strange thing is that this was running OK for several weeks, with no > extra latency, it just happened "all of a sudden". > > i've tried to vmotion the ZLB to another host and datastore, but it does > not help. > The other cluster member does NOT have this problem. > I've cloned the problematic ZLB, but the clone does NOT have the > problem, eventhough it's on the same host and datastore. (that would be > normal if the problem happens only after a while) > > Anyone has an idea what could be causing this? > > Thanks > tibz > > ------------------------------------------------------------------------------ > Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server > from Actuate! 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