On Wed, 16 Aug 2023 13:04:07 +0930 Tim via users wrote:

> On Tue, 2023-08-15 at 22:02 +0100, Barry wrote:
>> Better these days to replace ifconfig with:

>>      ip addr

> I'm not so sure I agree with that, there's some useful info provided by
> ifconf that ip addr doesn't supply.  For example:

>         RX packets 24927062  bytes 16569920396 (15.4 GiB)
>         RX errors 0  dropped 0  overruns 0  frame 0
>         TX packets 8396381  bytes 1513217283 (1.4 GiB)
>         TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

Add the -s (-stats) option to the ip command.

Example: a can be used as a shortcut of addr show.

ip -s a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group 
default qlen 1000
<snip>

2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP 
group default qlen 1000
    link/ether f8:b1:56:cd:32:b6 brd ff:ff:ff:ff:ff:ff
    altname enp0s25
    inet <snip>
    RX:  bytes packets errors dropped  missed   mcast           
      10695641   36120      0       3       0     175 
    TX:  bytes packets errors dropped carrier collsns           
       2616615   14078      0       0       0       0 

One can really forget ifconfig. For example, ifconfig do not output the
permanent mac addresses of the wifi interfaces.

Example: see the permaddr below:

ifconfig -a
<snip>
wlan0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500
        ether e2:71:46:a6:ee:81  txqueuelen 1000  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

ip a
<snip>
3: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN 
group default qlen 1000
    link/ether e2:71:46:a6:ee:81 brd ff:ff:ff:ff:ff:ff permaddr 
00:24:d7:0f:d4:2c
    altname wlp3s0


-- 
francis
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