Re: code+run (SG Cluster)

Subject: Re: code+run
Author: Ilker G	June 5, 2001 at 00:41:09
in reply to: Re: code+run* posted by tung on May 30, 2001 at 16:58:16*

> Sorry, I don't understand what the ip 200.200.200.30 and
> interface2 means. You didn't mention them before.
>
> The whole picture should be like this
>
> xxx ---> [SG:137,214] ---> [S1:192.168.1.1],
> [S2:192.168.1.2]....
>
> The sgclutser owns both publicip(137) and groupip(214) on
> the public interface and you have to test it from outside
> sgcluster. eg: xxx (machines owns public ip other than 137,
> 214)
>
> When you connect from xxx to groupip (214), you will be
> redirect to one of the backend servers(192.168.1.1,
> 192.168.1.2)
>
> > Internet Address Physical Address Type
> > 200.200.200.137 00-a0-c9-6e-ae-26 dynamic
> > 200.200.200.214 00-a0-c9-6e-ae-26 dynamic
>
> You will see this on the arp table of machine XXX.
>
> > 200.200.200.214 -> public ip 200.200.200.137 -> group ip
>
> What does this mean? I assume both 214 and 137 are ips on
> the sgcluster machine.
>
> > I think, i should see backend server's MAC address instead
> > of public interface MAC for 200.200.200.137. What about it?
>
> No. You will see MAC of the public interface of SG, not the
> MAC of the backend servers.
>
> ps: Your init_command should use 200.200.200.137:0 instead
> of 200.200.200.137:80 since your sg is working under
> redirect_address mode.

Hmm... Ok. I have changed..

client1 (200.200.200.30) ---> sgcluster machine (group
ip:200.200.200.137) --> backend web server (ip:192.168.1.1)

When client1 wants a HTTP request to 200.200.200.137, i
cant get any response from backend server.

Some clues: 1 - sgcluster machine can ping to backend
server. 2 - client1 can ping to sgcluster's public ip
(200.200.200.214). 3 - client1 can NOT ping to sgcluster's
group ip (137).

My sg.conf:

temporary_ip="10.0.0.1" # ip before start sg
temporary_gw="10.0.0.253" # gateway before start sg

public_interface="fxp0" private_interface="xl0"

public_ip="200.200.200.214" default_gw="200.200.200.253"
private_ip="192.168.1.253"

group_ip="200.200.200.137"

# map real servers to server group natd_parameter="

-redirect_address 192.168.1.1 200.200.200.137
-redirect_address 192.168.1.2 200.200.200.137

" # init command sent to sgctrld init_command=" set g
200.200.200.137:0 s 192.168.1.1:0 weight 10 set g
200.200.200.137:0 s 192.168.1.2:0 weight 5

"

Best regards, Ilker G.

Follow Ups:

Re: code+run tung 01:46:03 6/5/2001 (1)
- Re: code+run Ilker G 16:00:41 6/5/2001 (0)

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> > Sorry, I don't understand what the ip 200.200.200.30 and > > interface2 means. You didn't mention them before. > > > > The whole picture should be like this > > > > xxx ---> [SG:137,214] ---> [S1:192.168.1.1], > > [S2:192.168.1.2].... > > > > The sgclutser owns both publicip(137) and groupip(214) on > > the public interface and you have to test it from outside > > sgcluster. eg: xxx (machines owns public ip other than 137, > > 214) > > > > When you connect from xxx to groupip (214), you will be > > redirect to one of the backend servers(192.168.1.1, > > 192.168.1.2) > > > > > Internet Address Physical Address Type > > > 200.200.200.137 00-a0-c9-6e-ae-26 dynamic > > > 200.200.200.214 00-a0-c9-6e-ae-26 dynamic > > > > You will see this on the arp table of machine XXX. > > > > > 200.200.200.214 -> public ip 200.200.200.137 -> group ip > > > > What does this mean? I assume both 214 and 137 are ips on > > the sgcluster machine. > > > > > I think, i should see backend server's MAC address instead > > > of public interface MAC for 200.200.200.137. What about it? > > > > No. You will see MAC of the public interface of SG, not the > > MAC of the backend servers. > > > > ps: Your init_command should use 200.200.200.137:0 instead > > of 200.200.200.137:80 since your sg is working under > > redirect_address mode. > > Hmm... Ok. I have changed.. > > client1 (200.200.200.30) ---> sgcluster machine (group > ip:200.200.200.137) --> backend web server (ip:192.168.1.1) > > When client1 wants a HTTP request to 200.200.200.137, i > cant get any response from backend server. > > Some clues: 1 - sgcluster machine can ping to backend > server. 2 - client1 can ping to sgcluster's public ip > (200.200.200.214). 3 - client1 can NOT ping to sgcluster's > group ip (137). > > My sg.conf: > > temporary_ip="10.0.0.1" # ip before start sg > temporary_gw="10.0.0.253" # gateway before start sg > > public_interface="fxp0" private_interface="xl0" > > public_ip="200.200.200.214" default_gw="200.200.200.253" > private_ip="192.168.1.253" > > group_ip="200.200.200.137" > > # map real servers to server group natd_parameter=" > > -redirect_address 192.168.1.1 200.200.200.137 > -redirect_address 192.168.1.2 200.200.200.137 > > " # init command sent to sgctrld init_command=" set g > 200.200.200.137:0 s 192.168.1.1:0 weight 10 set g > 200.200.200.137:0 s 192.168.1.2:0 weight 5 > > " > > Best regards, Ilker G.
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