Re: ifdown. is it really down?

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Bruno Wolff III wrote:
I think you misunderstood. I was suggesting that normally ifdown won't turn
a device off, so it will still see ethernet traffic sent to it.

clearer.

my understanding was that 'ifdown' _stopped_ traffic thru port interface.

i am not sure of modem led, will check manual again after sending this.

active i see is i do believe from within, as it occurs when i start tbird
or firefox

This makes it sound like the interface is still active. You can use the ip
command to get more information about your network devices. ip link will
show you the status of each link and ip addr will show you the addresses
bound to each link. That might help diagnose what's going on.

with 'ifdown eth0'
[geo@argosyiayia ~]$ ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:07:95:2b:26:23 brd ff:ff:ff:ff:ff:ff
[geo@argosyiayia ~]$ ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:07:95:2b:26:23 brd ff:ff:ff:ff:ff:ff

with 'ifup eth0'
[geo@argosyiayia ~]$ ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:07:95:2b:26:23 brd ff:ff:ff:ff:ff:ff
[geo@argosyiayia ~]$ ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:07:95:2b:26:23 brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.97/24 brd 192.168.1.255 scope global eth0
    inet6 fe80::207:95ff:fe2b:2623/64 scope link
       valid_lft forever preferred_lft forever
[geo@argosyiayia ~]$

will do a 'find' on manual. back in a short.


--

tc,hago.

g
.

in a free world without fences, who needs gates.

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