|
link
|
For IDSLB group only, checks status of port for each server.
|
arp
|
For Layer 2 health checking, sends an ARP request.
|
icmp
|
For Layer 3 health checking, pings the server.
|
tcp
|
For TCP service, open and close a TCP/IP connection to the server.
|
http
|
For HTTP service, use HTTP 1.1 GETS when a HOST: header is required to check that the URL content is specified in content command. Otherwise, an HTTP/1.0 GET occurs.
If content is not specified in the Health Check Content field, the health check will revert to TCP on the port that is being load balanced.
|
dns
|
For Domain Name Service, check that the domain name specified in content can be resolved by the server.
|
pop3
|
For user mail service, check that the user:password account specified in content exists on the server.
|
smtp
|
For mail-server services, check that the user specified in content is accessible on the server.
|
nntp
|
For news group services, check that the news group name specified in content is accessible on the server.
|
ftp
|
For FTP services, check that the filename specified in content is accessible on the server through anonymous login.
|
imap
|
For user mail service, check that the user:password value specified in content exists on the server.
|
radius
|
For RADIUS remote access server authentication, check that the user:password value specified in content exists on the WSM and the server. To perform application health checking to a RADIUS server, you must also configure the Secret field on the SLB General tab.
|
sslh
|
Query the health of the SSL servers by sending an SSL client Hello packet and then verifying the contents of the server's Hello response. During the handshake, the user and server exchange security certificates, negotiate an encryption and compression method, and establish a session ID for each session.
|
script
|
Check for application and content availability using one of 16 script-based health checks in send/expect format. <n> denotes the health script number (1-16). The script is configured in the CLI, and can be enabled in JDM for a real server group.
|
wsp
|
Health checks on connectionless WSP content for WAP gateways. The content must also be configured. For more information, see Configuring WAP SLB using RADIUS snooping.
|
udpdns
|
Allows the user to perform health checking using UDP DNS queries.
|
wtls
|
Provides Wireless Transport Layer Security (WTLS) Hello-based health check for encrypted and connection-oriented WTLS traffic on port 9203.
|
ldap
|
Sets the health check type to LDAP.
|
