LOAD BALANCER

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This topic contains 4 replies, has 0 voices, and was last updated by  micampo 8 years ago.

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  • #42991

    micampo
    Member

    LOAD BALANCER WITH 6 LINES
    SOMEONE HAS BEEN TESTED?

    GREETINGS

    #51759

    atheling
    Member

    I don’t recall seeing a post with positive confirmation that load balancing with 6 gateway links works… It would be nice if anyone who has such a setup would report back.

    #51760

    netman
    Member

    Working fine in two “Hardware – Network Scenarios”.
    With 10 Upstreams / xDSL ISPs

    The Hard One Scenario (It may look like a more elegant but it’s not worth it).

    ZS 1.0.12 with atheling’s Patch QoS + Load balancing.

    MoBo: http://www.asrock.com/mb/overview.asp?Model=AM2NF3-VSTA

    5 x PC NICs: Interface Masters Dual Port Gigabit Network Card N2265

    CPU: AMD Athlon 64 X2 Dual-Core 3800+
    RAM: 1GB

    Each Port of each of the Dual Port NIC(s), direct Connects to a xDSL Modem/Router.

    The OnBoard Nic connects to 3560Cisco L2/3 Switch that acts as the LAN GW.The Cisco SW also does PBR Load balancing between 2 ZS Boxes, 1 with 10 Upstreams + 1 with 2 Upstreams.
    There is No QoS for Outgoing Traffic to the Upstreams (I’m doing this in the 3d ZS Box, “within” the LAN … read hereafter) but there is QoS on the OnBoard NIC: 7 Classes + 171 QoS “Rules”, 21 of the 171 “rules” are L7 Filters (!!!).

    There’s also another ZS box “within” the LAN (Version 1.0.14b) in Bridged mode for “1st level” QoS-Traffic Shapping.

    Small LAN -> 40 Work Stations
    MAX Concurrent Sessions: ~12K-13K
    CPU Load: 54-60% … no Drops No “Lag” on Streaming Videos and/or VoIP (Skype / MSN Messenger), during the “peak” hours … with ~50Mbit of P2P file transfers and plenty – 10MBit – of HTTP Browsing (Mostly Watching Videos)

    As I said before, it’s working but it’s NOT worth it.

    – The easy Scenario The PREFERRED ONE :

    Hardware as Above (Removed 4 of the 5 Dual NICs).
    The OnBoard NIC … again is facing the 3560SW
    The Second NIC is using just the 1 of the 2 ports that connects to a cheap Level One 8 Port GigaBit SW (GSW-0807).
    Small LAN -> 40Work Stations
    MAX Concurrent Sessions: ~12K-13K
    CPU Load: 48-56% … no Drops No “Lag” on Streaming Videos and/or VoIP (Skype / MSN Messenger).

    Now … that Scenario worth to implement it 😉

    BTW … THANKS to Fulvio for this piece of Software and also Thanks to atheling for his patch.

    YES … I MUST write a document for all this … I will write a “draft” soon.

    Ciao

    #51761

    micampo
    Member

    Hello

    interesting to see a document with pictures of these implementations

    Greetings

    network would improve if I use the network card 10/100/1000 and 10/100/1000 switches for WAN?

    #51762

    netman
    Member

    @micampo wrote:

    Hello

    interesting to see a document with pictures of these implementations

    Greetings

    network would improve if I use the network card 10/100/1000 and 10/100/1000 switches for WAN?

    You may read the “draft” document published at the documentation section (Writer: Steve. Title:Zeroshell implementation scenarios (QoS and Load Balancing) ) here.

    In the next days I’ll send to Fulvio the Second Part that shows the the Implementation that fully utilizes ZS Capabilities regarding Load Balancing and QoS/traffic Shaping. (10 Upstreams-ISPs, with LB and QoS/Traffic Shaping on every “Link”).

    Now, regarding your question: ” … network would improve if I use the network card 10/100/1000 and 10/100/1000 switches for WAN?”

    No … unless your Total-aggregated (From all your ISPs) DownStream Bandwidth is more than 90Mb. So, why I put a Gig Switch in my implementations?! Because that’s what I had “in hands” / spare :D.

    Also, keep in mind that most (If not all) of the aDSL Router/Modems, have Feth Infs, not Gig … so the Gig Switch between the ZS and the Upstream Routers/modems might look like an “over kill”.But again, that’s what I had for “spare”.

    The general answer to your question is: First Know your needs and your capabilities …

    Regards
    Steve

    #51763

    DrmCa
    Participant

    netman,

    What kind of xfer rate are you getting on 10x way load balancer?

    I have 2x way balancer and speed equals approximately 1.6x that of single line on multy-stream xfer. I was expecting almost 2x times, something in the range of 1.8-1.9 would be satisfactory.

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