Coyote Point Systems Equalizer Especificações descarregar pdf (Página 251)

l You do

not

need to configure Equalizer as the gateway for the servers if you have

disabled

the IP spoof flag

for the cluster.

Header Limit

l Server responses (and client requests) must contain 64 or fewer headers; any packet that contains more

than 64 headers is dropped by Equalizer (along with the connection), and a message like the following is

printed to Equalizer’s event log:

Warning: Dropping connection from ip-address -- too many headers

Make sure that your server software is configured to return 64 headers or less in any response it sends back

through Equalizer. Be aware, however, that this has no effect on the client side; any packets from the client with

more than 64 headers will still be dropped by Equalizer (and a warning appended to the event log). In most cases,

client requests do not include that many headers.

Adding a Server to a Cluster

To add a server to a virtual cluster, follow these steps:

1. Log into the GUI using a login that has add/del access for the cluster (see “Logging In” on page 52).

2. In the left frame, right-click the name of the cluster to be configured and select the Add Server command

from the menu.

3. Enter the following information:

l Server Name - The logical name for the server, or accept Equalizer’s default. Each server must have a

unique name in the cluster that begins with an alphabetical character (for example,

CPImages)

l Server IP Address - Enter the dotted decimal IP address of the server. This is the address Equalizer uses

to communicate with the server.

l Server Port - Enter the numeric port number on the Equalizer to be used for traffic between Equalizer and

the server. For Layer 7 clusters, the default server port is 80.

Note - In

Layer 7 HTTPS

clusters, Equalizer performs all the SSL encryption and decryption and forwards traffic to the

servers using the HTTP protocol. This is why when you add servers to an HTTPS cluster, the default server port is 80

(and should always be a port other than port 443).

For L4 UDP and L4 TCP protocol clusters, a cluster

port range

can be defined. These are the ports on the

Equalizer to be used to send traffic to the server pool in the cluster. Port ranges allow Equalizer users to create a

single cluster to control the traffic for multiple, contiguous ports. The Server Port defined for a

server

in the cluster

for which a port range is defined indicates the port on the server that starts the range of ports to be opened (see

below).

l Associate with Virtual Machine - When enabled, this option leads you through the process of associating

this server with a VMware Virtual Machine. This option is disabled by default.

l Quiesce on creation - When enabled (the default), this option prevents any traffic from being routed to the

server by enabling the quiesce option on the server. Once the server is functional, you can disable the

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