Load:
./xlb -i eth0 -v
Unload:
./xlb -i eth0 -r
Check to see the xdp binary is loaded
# ip link show dev eth0
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 xdp qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 52:54:00:11:00:1b brd ff:ff:ff:ff:ff:ff
prog/xdp id 94 tag e09d47c63a72ab36 jited
The line, "prog/xdp id 94 tag e09d47c63a72ab36 jited" indicate that the xdp byte code is correctly hooked to the eth0.
Basic usage of the xlb_cmdline
Usage: ./xlb_cmdline [...]
-i Interface name(eg. eth0)
-A ServiceIP(a.k.a. VIP)
-t (for TCP, optional, default)
-u (for UDP, optional)
-r WorkerIP
-v verbose
-L list lb table
-l list lbcache
-h Display this help
Create service
./xlb_cmdline -i eth0 -A 10.1.4.1 -p 80
Add real servers
./xlb_cmdline -i eth0 -a 10.1.4.1 -p 80 -r 10.0.0.24
./xlb_cmdline -i eth0 -a 10.1.4.1 -p 80 -r 10.0.0.23
./xlb_cmdline -i eth0 -a 10.1.4.1 -p 80 -r 10.0.0.22
Show registered services.
./xlb_cmdline -i eth0 -L
service: 10.1.4.1:80(6) {
src: 10.0.0.27, dst: 10.0.0.22 (52:54:0:11:0:16)
src: 10.0.0.27, dst: 10.0.0.23 (52:54:0:11:0:17)
src: 10.0.0.27, dst: 10.0.0.24 (52:54:0:11:0:18)
}
Delete real servers
./xlb_cmdline -i eth0 -d 10.1.4.1 -p 80 -r 10.0.0.22
./xlb_cmdline -i eth0 -d 10.1.4.1 -p 80 -r 10.0.0.23
./xlb_cmdline -i eth0 -d 10.1.4.1 -p 80 -r 10.0.0.24
Delete service
./xlb_cmdline -i eth0 -D 10.1.4.1 -p 80