RE: [load balancing] Alteon 2424 config

From: Wei Keong (chooweikeongIZZATpacific.net.sg)
Date: Wed Sep 17 2003 - 22:09:32 EDT

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    Hi Scott,

    Thanks for the info. Actually, I have no problem with WebOS, and my AD3 is
    currently running L4/L7 half NAT.

    However, somehow could not get it works in AlteonOS. Is there any sample
    config for AlteonOS?

    Thanks,
    Wei Keong

    On Wed, 17 Sep 2003, Giles Scott wrote:

    > Hi,
    >
    > This is called half NAT;
    >
    > See;
    > http://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?BV_SessionID=IZZATIZZATIZZATIZZAT
    > 0617963826.1063806333IZZATIZZATIZZATIZZAT&BV_EngineID=cadcifflkmkkbhkcginchgcgio.0&level=6&c
    > ategory=8&subcategory=6&subtype=&DocumentOID=59675&RenditionID=REND29670
    >
    > and
    >
    > http://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?BV_SessionID=IZZATIZZATIZZATIZZAT
    > 0617963826.1063806333IZZATIZZATIZZATIZZAT&BV_EngineID=cadcifflkmkkbhkcginchgcgio.0&level=6&c
    > ategory=8&subcategory=6&subtype=&DocumentOID=59674&RenditionID=REND29669
    >
    > The documents talk about configuring this in WebOS, but its the same for
    > AlteonOS.
    >
    > Cheers
    >
    > Giles Scott
    > Alteon NTS, EMEA
    > Nortel Networks
    >
    >
    > -----Original Message-----
    > From: Wei Keong [mailto:chooweikeongIZZATpacific.net.sg]
    > Sent: Wednesday, September 17, 2003 10:30 AM
    > To: lb-lIZZATvegan.net
    > Subject: [load balancing] Alteon 2424 config
    >
    >
    > Hi all,
    >
    > I am exploring the use of Alteon 2424 to redirect and load balance tcp 80
    > traffic.
    >
    > For the load balance algo, I have managed to run L7 hashing host header
    > (filt 2), which will NAT the CIP -> DIP to CIP -> RIP, before redirecting
    > to the real server.
    >
    > However, when I try to do L4 hashing (filt 1), I observe the traffic
    > CIP -> DIP is not NATed, before redirecting to the real server.
    >
    > Has anyone tried running L4 hash & L7 hash together in Alteon 2424? Can
    > show me how to configure?
    >
    > Thanks,
    > Wei Keong
    >
    >
    > /c/slb
    > on
    > /c/slb/adv
    > direct ena
    >
    > /c/slb/real 1
    > ena
    > rip x.x.x.1
    > /c/slb/real 2
    > ena
    > rip x.x.x.2
    >
    > /c/slb/group 1
    > metric hash
    > viphl dis
    > add 1
    > /c/slb/group 2
    > metric hash
    > viphl dis
    > add 2
    >
    > /c/slb/pip/pip1 x.x.x.1
    > /c/slb/pip/pip2 x.x.x.2
    > /c/slb/pip/pip3 x.x.x.3
    > /c/slb/pip/pip4 x.x.x.4
    > /c/slb/adv/synatk
    > thrshld 1000
    > /c/slb/layer7
    > dbindtm 10
    > /c/slb/layer7/redir
    > urlal dis
    > nocache dis
    > header en host
    > /c/slb/layer7/slb
    >
    >
    > /c/slb/filt 1
    > dis
    > action redir
    > sip x.x.x.4
    > smask 255.255.255.255
    > proto tcp
    > dport http
    > group 1
    > rport 80
    > vlan any
    > /c/slb/filt 1/adv
    > thash dip
    > /c/slb/filt 1/adv/layer7
    > l7lkup dis
    > parseall dis
    >
    > /c/slb/filt 2
    > ena
    > action redir
    > proto tcp
    > dport http
    > group 2
    > rport 80
    > vlan any
    > /c/slb/filt 2/adv
    > dbind ena
    > thash dip
    > /c/slb/filt 2/adv/layer7
    > l7lkup ena
    > parseall dis
    >
    >
    > /c/slb/port 1
    > filt ena
    > add 1-2
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