[Virtual Server 2 132 mh-sctp Service Menu] name - Set descriptive virtual service name group - Set real server group number rport - Set real port hname - Set hostname thash - Set hash parameter tmout - Set minutes inactive connection remains open srvdown - Set connection handling on service down mirror - Enable/disable session mirroring sesslog - Enable/disable session logging applicid - Set virtual service applic name adv - Service Report Menu del - Delete virtual service cur - Display current virtual service configuration |
Command Syntax and Usage | |
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name | |
Sets a description of up to 32 characters for the virtual service. | |
group <real server group ID> | |
Sets the real server group for this service. Default: 1 | |
rport <real server port (0, 1, 5-65534)> | |
Specifies the Layer 4 TCP or UDP port on which the real servers listen for this service. This parameter must be specified only when all real servers listen for the service on a port that is different from the service port. For all other cases it should be left empty (0). The real server port can alternatively be defined at real server level, allowing for different listening ports per server. Values: 0, 1, 5 – 65534 Default: 0. Alteon uses the port defined at /cfg/slb/virt/service<virtual port>. | |
hname <hostname>|none | |
Sets the hostname for the virtual service. Alteon uses this together with the domain name configured at virtual server level to create a fully qualified domain name for the virtual service. For example, to add a host name for Web services, you could specify “www” as the host name. If “foocorp.com” is defined as the domain name, “http://www.foocorp.com” would be the full host or domain name for the virtual service. The domain and host name are used for global server load balancing as well as for HTTP/S health checking when the health check hname command is defined as inherit. Maximum characters: 34 | |
thash sip|sip+sport | |
Specifies the parameters for computing the hash value used by the hash, phash, and minmisses SLB metrics. Tunable hash lets the user select different parameters for computing the hash value used by the hash, phash, and minmisses SLB metrics. For example, the source IP address, or both source IP address and source port. If you do not select any hash parameter, Alteon uses the default sip hash parameter. Default: sip | |
tmout <even number of minutes (0-32768)> | |
Specifies the length of time, in minutes, that an inactive session remains in the session table. Every client-to-server session being load balanced is recorded in the session table. When the client ends the session, the session table entry is removed. In certain circumstances, such as when a client application is abnormally terminated by the client’s system, TCP and UDP connections remain registered in the session table. In order to prevent table overflow, these orphaned entries must be aged out of the session table. Values: ![]() ![]() Default: 0 | |
srvdown drop|rst | |
Specifies how Alteon handles new connections when a TCP service is unavailable. This command can be used only when dbind is disabled. Values: ![]() ![]() Default: dropDrop Note: When this command is set to send rst, the VIP address remains in L2/L3 tables even if no services are available on it, to allow new requests to reach Alteon from clients. | |
mirror disable|enable | |
Specifies whether to enable or disable session mirroring on the selected virtual service. Session mirroring synchronizes the state of active connections with the standby Alteon to prevent service interruptions in case of failover. Session mirroring is recommended for long-lived TCP connections, such as FTP, SSH, and Telnet connections. Session mirroring for protocols characterized by short-lived connections such as UDP and in many cases HTTP, is not necessary. Radware recommends that you use session mirroring only when you need to maintain the state of a long connection. When implementing session mirroring, note the following: ![]() ![]() ![]() — SIP — FTP — NAT filters — Layer 4 SLB with delayed binding ![]() — Active-active VRRP — RTSP — Layer 7 SLB — Allow, deny, redir filters ![]() ![]() Default: disable | |
sesslog disable|enable | |
Specifies whether to enable or disable session logging. Session logs are sent to the syslog servers via the data port when the sessions are deleted or aged out. The Alteon switch processor sends the buffered session logging data to the syslog server at regular intervals (every 30 seconds) if the buffer is not completely filled. There will be no session syslog if no sessions have aged out during this duration of 30 seconds. Note: Syslog servers configured on Alteon must be accessible via the data ports. Default: disable | |
applicid | |
Specifies the name used to combine several services into a single application in the virtual service report. Maximum characters: 261 (64 in Alteon version 32.6.0.0 and earlier) | |
adv | |
Displays the Service Advanced Menu menu. To view this menu, see /cfg/slb/virt/service/mh-sctp/adv Service Advanced Menu | |
del | |
Removes this virtual service from operation and deletes it from the Layer 4 switching software configuration. Note: Use this command with caution, as it will delete the options that have been set for this virtual service. | |
cur | |
Displays the current configuration of services on the specified virtual server. |