pat 无法ping通外网排查思路ip netns

admin

pat ping 相关地址：
sudo ip netns exec pat ping 114.114.114.114
connect: Network is unreachable
! E8 B" ?; R# P: |6 S检查ns服务状态：
( T* x4 @* w. Q( a! v; J/ S; wsudo systemctl status ns.service
( c. F: A4 |5 I" |% u3 v- E鈼[0m ns.service - NS Service
, u& o! B+ [+ g  p   Loaded: loaded (/usr/lib/systemd/system/ns.service; enabled; vendor preset: disabled)
   Active: active (running) since Thu 2019-01-31 14:46:14 CST; 2 months 11 days ago
2 z! C5 ?2 x) o4 z3 N9 v* e Main PID: 2860 (sh)
   CGroup: /system.slice/ns.service
           鈹溾攢2860 sh /opt/ns_check.sh
/ _) ~3 C( Z/ M( C4 K  s           鈹斺攢9579 sleep 30

' y+ l) ~- m$ l: P# `Jan 31 14:46:15 SV743 sh[2858]: RTNETLINK answers: Network is unreachable
4 Z. W3 Z3 S" O. BJan 31 14:46:14 SV743 systemd[1]: Starting NS Service...
Jan 31 14:46:14 SV743 systemd[1]: Started NS Service.

1 B9 V* v" [; w0 U/ @. p重启ns服务：
* U4 B% ~( c' M( r3 V# K, K! esudo systemctl restart ns.service
3 i% S4 O, l, z" Z0 T

admin

1. 暂停服务
1.1 不影响在途业务
> disable service 192.168.2.10:8480 graceFul yes
1 y, L8 X* }+ ^, \2 H; j- B. c　Done
$ E( E4 d- {. z+ {
1.2 强制停止服务
8 J( v6 j7 f$ H1 ^1 m> disable service 192.168.2.10:8480 graceFul no
　Done

2. 开启服务
> enable service 192.168.2.10:8480
( h" [' D2 I/ z, m# B　Done

3. 检查服务状态
3.1 服务已停止
; j2 q" o: W% J/ ~+ F4 z  c& s& m; U> show service 192.168.2.10:8480
! Q& T2 S% I' ^% `$ }* V        192.168.2.10:8480 (192.168.2.10:8480) - HTTP
        State: OUT OF SERVICE
6 V$ E: ^2 O* @) |! o4 n
3.2 服务正在停止
> show service 192.168.2.10:8480
        192.168.2.10:8480 (192.168.2.10:8480) - HTTP
' ~( F4 O1 W8 h1 }, k. x; _        State: GOING OUT OF SERVICE (Graceful, Out Of Service in 8 seconds)

0 i: t# d7 z3 A6 r. ]+ i- Z3 [3.3 服务正常
> show service 192.168.2.10:8480
        192.168.2.10:8280 (192.168.2.10:8480) - HTTP
5 ?& ^2 ^7 b; H/ v$ b( z# B        State: UP
9 L# T  {  p; d8 L2 X! ?1 b
3.4 服务未启动
> show service 192.168.2.10:8480
$ w' D/ @% d$ K- m1 {        192.168.2.10:8480 (192.168.2.10:8480) - HTTP
* U  R0 K- E/ S- |        State: DOWN

admin

#在这里快速回复#ip netns exec spat_ns ip a