Cisco Explorer 4700 Installation Guide download pdf (Page 247)

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Device Manager Guide, Cisco ACE 4700 Series Application Control Engine Appliance

OL-26645-02

Chapter 6 Configuring Real Servers and Server Farms

Configuring Health Monitoring

More Settings (Not applicable for the VM probe type)

Pass Detect Count Enter the number of successful probe responses from the server before the server

is marked as passed. Valid entries are integers from 1 to 65535 with a default of 3.

Receive Timeout

(Seconds)

Enter the number of seconds the ACE is to wait for a response from a server that

has been probed before marking the server as failed. Valid entries are integers

from 1 to 65535 with a default of 10.

Destination

IPv4/IPv6

Address

By default, the probe uses the IP address from the real or virtual server

configuration for the destination IP address. To override the destination address

that the probe uses, enter the preferred destination IP address in this field.

Note The following probes support IPv6 destination addresses: DNS, HTTP,

HTTPS, ICMP, TCP, and UDP.

Note When you assign a probe to a real server, they must be configured with

the same IP address type (IPv6 or IPv4).

Is Routed

Check the check box to indicate that the destination IP address is routed according

to the ACE internal routing table. Clear the check box to indicate that the

destination IP address is not routed according to the ACE internal routing table.

Port By default, the precedence in which the probe inherits the port number is as

follows:

• The port number that you configure for the probe.

• The configured port number from the real server in server farm.

• The configured port number from the VIP in a Layer 3 and Layer 4 class map.

• The default port number. Table 6-11 lists the default port number for each

probe type.

If you explicitly configure a default port, the ACE always sends the probe to the

default port. The probe does not dynamically inherit the port number from the real

server in a server farm or from the VIP specified in the class map.

1. The Dest IP Address field is not applicable to the Scripted probe type.

2. The Is Routed field is not applicable to the RTSP, Scripted, SIP-TCP, and SIP-UDP probe types.

Table 6-11 Default Port Numbers for Probe Types

Probe Type Default Port Number

DNS 53

Echo 7

Finger 79

FTP 21

HTTP 80

Table 6-10 Health Monitoring General Attributes (continued)

Field Action

1 ... 246 247 248 ... 648

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