Do you really want to write to it (y/n)?y
"/proc/sys/net/ipv4/ip_forward" E667: Fsync failed
Hit ENTER or type command to continue
編輯/etc/sysctl.conf
把
net.ipv4.ip_forward = 0
改成
net.ipv4.ip_forward = 1
如果此文件中沒有這個選項則將其添加上就行。
然后執行命令:#sysctl -p
使其生效。
[root@IBM-007 sudo]# sysctl -p
net.ipv4.ip_forward = 1
net.ipv4.conf.default.rp_filter = 2
net.ipv4.conf.default.accept_source_route = 0
kernel.sysrq = 0
kernel.core_uses_pid = 1
net.ipv4.tcp_syncookies = 1
kernel.msgmnb = 65536
kernel.msgmax = 65536
kernel.shmmax = 68719476736
kernel.shmall = 4294967296
vm.min_free_kbytes = 65536
kernel.panic_on_oops = 1
kernel.panic = 60
[root@IBM-007 sudo]#
[root@IBM-007 sudo]#
[root@IBM-007 sudo]# ll /
[root@IBM-007 sudo]#
再一次的查看
再一次的查看
[root@IBM-007 sudo]# cat /proc/sys/net/ipv4/ip_forward
1
可以發現其原來的0就變成了1.