Yocto ifconfig在ifdown后不干净-a

问题描述：

我在具有loopback和eth0网络接口的目标上创建了Yocto映像。Yocto ifconfig在ifdown后不干净-a

当我使用静态IP配置/ etc/network/interface时，网络关闭命令起作用。在命令ifdown之后 - ifconfig不返回任何内容。

在静态模式下我的/ etc /网络/接口：

# /etc/network/interfaces -- configuration file for ifup(8), ifdown(8)   

# The loopback interface               
auto lo                   
iface lo inet loopback               

# Main wired interface  
auto eth0              
iface eth0 inet static               
    address 192.168.1.10              
    netmask 255.255.255.0              
    gateway 192.168.1.1               
    dns-nameservers 192.168.1.1

我的问题就来了，如果我在配置DHCP模式下的eth0：

# /etc/network/interfaces -- configuration file for ifup(8), ifdown(8)   

# The loopback interface               
auto lo                   
iface lo inet loopback               

# Main wired interface 
auto eth0               
iface eth0 inet dhcp

一个了ifup -a命令后，使用ifconfig回报即：

eth0  Link encap:Ethernet HWaddr XX:XX:XX:XX:XX:XX       
      inet addr:192.168.1.133 Bcast:192.168.1.255 Mask:255.255.255.0  
      inet6 addr: <ipv6 address> Scope:Link     
      inet6 addr: <ipv6 address> Scope:Global 
      UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1      
      RX packets:553 errors:0 dropped:106 overruns:0 frame:0     
      TX packets:98 errors:0 dropped:0 overruns:0 carrier:0     
      collisions:0 txqueuelen:1000           
      RX bytes:70121 (68.4 KiB) TX bytes:11022 (10.7 KiB)     
      Interrupt:33               

lo  Link encap:Local Loopback            
      inet addr:127.0.0.1 Mask:255.0.0.0         
      inet6 addr: ::1/128 Scope:Host           
      UP LOOPBACK RUNNING MTU:65536 Metric:1        
      RX packets:2 errors:0 dropped:0 overruns:0 frame:0      
      TX packets:2 errors:0 dropped:0 overruns:0 carrier:0     
      collisions:0 txqueuelen:1            
      RX bytes:140 (140.0 B) TX bytes:140 (140.0 B)

然而，经过ifdown你-a -v

run-parts /etc/network/if-down.d             
ifconfig lo 127.0.0.1 down              
run-parts /etc/network/if-post-down.d           

run-parts /etc/network/if-down.d             
kill `cat /var/run/udhcpc.eth0.pid` 2>/dev/null         
ifconfig eth0 down                
run-parts /etc/network/if-post-down.d

使用ifconfig返回如下：

eth0  Link encap:Ethernet HWaddr fc:c2:3d:0d:bb:93       
      inet6 addr: fe80::fec2:3dff:fe0d:bb93/64 Scope:Link     
      inet6 addr: 2a02:1205:c69a:b970:fec2:3dff:fe0d:bb93/64 Scope:Global 
      UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1      
      RX packets:1304 errors:0 dropped:272 overruns:0 frame:0    
      TX packets:158 errors:0 dropped:0 overruns:0 carrier:0     
      collisions:0 txqueuelen:1000           
      RX bytes:148500 (145.0 KiB) TX bytes:16490 (16.1 KiB)     
      Interrupt:33

eth0接口不彻底清洗，这是我的问题，因为我用它的状态来管理我的系统其他的东西。

我精确我使用的添加ifdown你的脚本（在DHCP的情况下不使用）

猫/etc/network/if-down.d/resolvconf包需要resolvconf：

#!/bin/sh                  
#                    
# ifdown hook script for resolvconf            
#                    
# This file is part of the resolvconf package.         
#                    

[ -x /sbin/resolvconf ] || exit 0            

case "$ADDRFAM" in                
    inet|inet6) :  ;;               
    *)   exit 0 ;;               
esac                    

/sbin/resolvconf -d "${IFACE}.${ADDRFAM}" || :

有你有什么错误的想法？

答

好的我终于找到其可通过将线

/sbin/resolvconf -d "${IFACE}.udhcpc" || :

在文件/etc/network/if-down.d/resolvconf的端部正确地清洁由所创建的参数是固定的问题使用udhcpc。

Yocto ifconfig在ifdown后不干净-a

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