Justin McZeal wrote: > and /sbin/ip -o link show eth0:1: to both come up without a > hitch. The ones without the colon have been tested to fully work on > a stock Debian 8 (jessie) image, not Debian 9 (stretch).
I cannot reproduce this on stock Jessie 8.4. It needs "eth0" not "eth0:1". Note that eth0:1 is not an interface but simply a label so that older tools such as 'ifconfig' that don't understand the new feature can interface to them. For me: # ip -o link show eth0:1 RTNETLINK answers: No such device Cannot send link get request: No such device It was created this way and displays on this Jessie 8.4 VM image: ip addr add 192.168.1.115/24 dev eth0 label eth0:1 # ip -o addr show eth0 2: eth0 inet 192.168.230.123/24 brd 192.168.230.255 scope global eth0\ valid_lft forever preferred_lft forever 2: eth0 inet 192.168.1.115/24 scope global eth0:1\ valid_lft forever preferred_lft forever 2: eth0 inet6 fe80::5054:ff:fe97:fb1d/64 scope link \ valid_lft forever preferred_lft forever And therefore I wonder how this is working for you on your Jessie 8 system? Also testing on my up to date Sid system produced the same behavior. (I also looked at one of my Linodes and it was the same there on Jessie 8 too.) Also you showed a lot of config dumps (good) but didn't show the obvious one that I would like to see. Could you please? ip -o addr show eth0 > root@sandbox:~# /sbin/ip -o link show eth0 > 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP > mode DEFAULT group default qlen 1000\ link/ether f2:3c:91:70:98:9d brd > ff:ff:ff:ff:ff:ff What does an ethernet device know of IP addresses? I think 'link' is not the right thing to use here. 'address' is better for looking at IP addresses. Bob
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