Linux隧道简单互联网传输(sit )，配置环境如下：
|-----------------||| ens 33 ens 33||--------------------客户端
# iplinkadddevbr0type bridge # iplinksetbr0up # ipadd radd 3000336033601/64查看dev br 0接口地址和隧道配置：
# IP addr show 15: sit1@ none : pointopoint，NOARP，UP， lower _ up MTU 1480 qdiscnoqueuestateunknowngroupdefaultqlen 1000 link/sit0.0.0peer 192.168.20.5inet6Fe 33603360000 64 scopeglobalvalid _ lftforeverpreferred _ lftforeverinet6Fe 803360360 c 0000 64 scopelinkvalid _ lftforeverpreferer iptunnelshowsit 1: ipv6/IP remote 192.168.20.5 localanyttlinherit6rd-prefix 20020 IP address add 110 24 devens 33 # # iptunneladdsit1modesitremote 192.168.20.5 # iplinksetsit 1up # ipaddremote 198.20.1 local
# IP addr show 12: sit1@ none : pointopoint，NOARP，UP， lower _ up MTU 1480 qdiscnoqueuestateunknowngroupdefaultqlen 1000 link/sit 192.168.20.5 peer 192.168.20.1 I net63 FFE 336000 128 scopeglobalvalid _ lftforeverpreferred _ lftforeverinet6Fe 8036536506 64 scopelinkvalid _ lftforeverpreference iptunnelshowsit 1: ipv6/IP remote 192.168.20.1 local 192.168.20.5 TTL inherinheriritl
$ ping3FFE :33601-C1 ping3FFE :33601 (3FFE :33601 ) )。 56数据字节64字节自rom3FFE 336033601: icmp _ seq=1TTL=64 time=0.265 ms---3 FFE 3360:1 ping statistics--1PAC cs 1 time0msrt tmin/avg/max/mdev=0.265/0.265/0.265/0.000 ms $ $ ping 3000336033601-C1 ping 3000:1 (30003:1 ) 000333:0 56 data bytes 64 bytes from 3000336033603601:6 30003360:1 ping statistics--1PAC cs1received，0% packet loss，time0msrt tmin/avg/max/mdev=0.281/0.281/0.000 msrt