linux 按mac排序分配网卡名称

需求:设备有6个千电口,2个万兆光口。 需要按类型和接口顺序排列后为它们分配网卡名称(请注意不是mac顺序,而是busid号)。

    例如:

      00-10-f3-ff-ff-80-d1-35  --eth0
      00-10-f3-ff-ff-80-d1-36  --eth1
      00-10-f3-ff-ff-80-d1-37  --eth2
      00-10-f3-ff-ff-80-d1-38  --eth3
      00-10-f3-ff-ff-80-d1-39  --eth4
      00-10-f3-ff-ff-80-d1-3a  --eth5

      00-10-f3-ff-ff-77-2b-97  --fb10
      00-10-f3-ff-ff-77-2b-97  --fb11

linux版本:centos6.2 32位

起初我是想通过python3的 psutil 模块 可以获得mac地址,然后将mac地址转换成十进制进行排序后对 /etc/udev/rules.d/70-persistent-net.rules 文件修改来实现。也考虑过mac地址不能代表io顺序的问题,最后发现linux命令lspci可以获取对应关系从而放弃这个思路。

#-*-coding:utf8-*-

macs=[]
interface={}

from psutil import net_if_addrs
for k, v in net_if_addrs().items():
    for item in v:
        address = item[1]
        if ":" in address and len(address) == 17:
            idkey = address.replace(':', '')
            interface.update({address:(int(address.replace(':', ''), 16))})
        elif "-" in address and len(address) == 17:
            idkey = address.replace('-', '')
            interface.update({address:(int(address.replace('-', ''), 16))})


for k in sorted(interface,key=interface.__getitem__):
    print(k,interface[k])

  

lspci -D -n -v |egrep "0200|Device Serial Number"

这里是两个过滤条件,0200代表网卡,包含Device Serial Number行会显示mac地址 。
我的想法是通过busid顺序修改 “/etc/udev/rules.d/70-persistent-net.rules”文件的命名顺序

[root@new-b3 ~]# lspci -D -n -v |egrep "0200|Number"
0000:02:00.0 0200: 8086:150c
        Capabilities: [140] Device Serial Number 00-10-f3-ff-ff-80-d1-35
0000:03:00.0 0200: 8086:150c
        Capabilities: [140] Device Serial Number 00-10-f3-ff-ff-80-d1-36
0000:04:00.0 0200: 8086:150c
        Capabilities: [140] Device Serial Number 00-10-f3-ff-ff-80-d1-37
0000:05:00.0 0200: 8086:150c
        Capabilities: [140] Device Serial Number 00-10-f3-ff-ff-80-d1-38
0000:06:00.0 0200: 8086:150c
        Capabilities: [140] Device Serial Number 00-10-f3-ff-ff-80-d1-39
0000:07:00.0 0200: 8086:150c
        Capabilities: [140] Device Serial Number 00-10-f3-ff-ff-80-d1-3a
0000:09:00.0 0200: 8086:10fb (rev 01)
        Capabilities: [140] Device Serial Number 00-10-f3-ff-ff-77-2b-97
0000:09:00.1 0200: 8086:10fb (rev 01)
        Capabilities: [140] Device Serial Number 00-10-f3-ff-ff-77-2b-97

  

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转载自www.cnblogs.com/bcode/p/10595521.html
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