Use of LVS command tools

Install the command line tool: Yum install ipvsadm

Lvsadm:

1. Manage cluster services

Add:-A-T | u | f service-add [-s scheduling algorithm]

-T: TCP Cluster

-U: UDP Cluster

Server-Address: IP: Port

-F: firewallmark

Server-Address: Mark Number

Modify:-e

Delete:-D-T | u | L server-address

For example, add cluster service: ipvsadm-a-t 172.16.100.1: 80-s rr

2. Manage the RS in the cluster service:

Add:-A-T | u | f service-add-r server-add [-G | L | M] [-w-weight]

-T | u | f service-add to implement a defined Cluster Service

-R server-add an RS address. In the NAT model, IP: port can be used to implement port ing [-G | L | M]: LVS model.

-G: Dr

-I: Tun

-M: Nat

Modify:-e

Delete:-d

For example, add RS: ipvsadm-a-t 172.16.100.1: 80-r 192.168.10.10-M.

Ipvsadm-a-t 172.16.100.1: 80-r 192.168.10.11-m

3. View

-L | L

-N: the host address and port number are displayed.

-- Stats: Statistical data

-- Rate: Display rate

-- Timeout: display the Session Timeout of TCP. tcpfin

-C: displays the current s connection status.

4. Delete all cluster services:

-C: Clear ipvs rules

5. Save the rule:

-S ipvsadm-S>/root/filename

6. Load previous rules:

-R ipvsadm-r </root/filename

Use of LVS command tools