pat 无法ping通外网排查思路ip netns

admin

pat ping 相关地址：
0 A6 r. Y8 I4 |7 fsudo ip netns exec pat ping 114.114.114.114
connect: Network is unreachable
检查ns服务状态：
sudo systemctl status ns.service
鈼[0m ns.service - NS Service
   Loaded: loaded (/usr/lib/systemd/system/ns.service; enabled; vendor preset: disabled)
: L3 D2 n+ W9 P# {: c/ m6 T   Active: active (running) since Thu 2019-01-31 14:46:14 CST; 2 months 11 days ago
Main PID: 2860 (sh)
   CGroup: /system.slice/ns.service
' l; v! _  Q6 m9 w4 w           鈹溾攢2860 sh /opt/ns_check.sh
& M2 ]6 g% r- }           鈹斺攢9579 sleep 30
5 f/ W: V9 E7 U3 E, {; J$ f( U
+ X! {, t8 s$ [Jan 31 14:46:15 SV743 sh[2858]: RTNETLINK answers: Network is unreachable
Jan 31 14:46:14 SV743 systemd[1]: Starting NS Service...
) [' ~* Q, E* ], l2 q& G! c+ m# AJan 31 14:46:14 SV743 systemd[1]: Started NS Service.
# w5 E5 u6 M; l, ]/ B) p! u8 t+ l
$ F# ~9 U/ m2 ]: Y重启ns服务：
1 H3 L# g% R% ^1 b$ d+ Msudo systemctl restart ns.service
! U0 W+ u1 L4 F4 p! Z3 ^
3 q1 S2 K& [1 b# ]

admin

1. 暂停服务
1.1 不影响在途业务
9 y7 y  c2 a% k$ V> disable service 192.168.2.10:8480 graceFul yes
; i' d! F2 W; W1 H9 o) m/ H% m　Done

1.2 强制停止服务
> disable service 192.168.2.10:8480 graceFul no
　Done
" g8 }) V  @2 N1 o: }4 X
2. 开启服务
> enable service 192.168.2.10:8480
6 N6 ~! I9 l5 a; n　Done

3. 检查服务状态
3.1 服务已停止
> show service 192.168.2.10:8480
        192.168.2.10:8480 (192.168.2.10:8480) - HTTP
        State: OUT OF SERVICE
: i2 w* z. x+ T" F% Q6 O4 [  L5 l
3.2 服务正在停止
  e/ {: H+ A5 f6 T4 H> show service 192.168.2.10:8480
        192.168.2.10:8480 (192.168.2.10:8480) - HTTP
        State: GOING OUT OF SERVICE (Graceful, Out Of Service in 8 seconds)

3.3 服务正常
8 F) K  s  F9 k: L5 d8 F/ j> show service 192.168.2.10:8480
* c6 d! [* ?" L2 u" I: o. s! H        192.168.2.10:8280 (192.168.2.10:8480) - HTTP
        State: UP
! g$ E- G7 ~' v
3.4 服务未启动
( v3 {. _8 U! s9 T> show service 192.168.2.10:8480
        192.168.2.10:8480 (192.168.2.10:8480) - HTTP
- H% z* X8 T  c# j6 ?        State: DOWN

admin

#在这里快速回复#ip netns exec spat_ns ip a