NelsonChung's blog: 架設gre 在ubuntu 13.10

2014年9月5日星期五

架設gre 在ubuntu 13.10

安裝Dhcp Server

sudo apt-get install isc-dhcp-server

設定dhcp interface

sudo vim /etc/default/isc-dhcp-server

增加interface name

INTERFACE="gre2"

設定Dhcp range

sudo vim /etc/dhcp/dhcpd.conf

subnet 10.118.251.0 netmask 255.255.255.0 {
range dynamic-bootp 10.118.251.100 10.118.251.250;
option routers 10.118.251.163;
}

Restart Dhcp Server

sudo service isc-dhcp-server restart

(Bruce有發現這個指令，啟動後都要放到最後執行）

設定gre

#Ubuntu side and do following command for GRE
sudo ip link add gre2 type gretap remote 172.16.95.33(CM side ip addr) local 172.16.1.118(gre server(local) side ip addr)
sudo ifconfig gre2 10.118.251.163(refrence by /etc/dhcp/dhcpd.conf)
sudo ifconfig gre2 up
sudo ifconfig gre2 down
sudo ip link del gre6

sudo service isc-dhcp-server restart(Bruce發現這個指令，啟動後都要放到最後執行）

gre server side: eth0 ip address is 172.16.1.118