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Package: ifupdown
Version: 0.7.54
Severity: wishlist
If /etc/network/interfaces defines 2 protocols for one interface,
then a tiny problem for one protocol can affect both. Sample config
to show:
auto eth0
iface eth0 inet6 static
address 2001:db8::ae
netmask 64
gateway 2001:db8::1
up false
# this is done on purpose, just to show
iface eth0 inet static
address 192.168.1.174
netmask 255.255.255.0
gateway 192.168.1.1
Result:
# ip a s eth0
14: eth0@if15: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
pfifo_fast state UP group default qlen 1000
link/ether 00:16:8e:2e:a7:4f brd ff:ff:ff:ff:ff:ff link-netnsid 0
inet6 2001:db8::ae/64 scope global
valid_lft forever preferred_lft forever
inet6 fe80::216:8eff:fe2e:a74f/64 scope link
valid_lft forever preferred_lft forever
The "inet" part is missing. If I swap IPv4 and IPv6, then I get a
similar result.
IMU a config problem for one protocol should not affect the others by
default.
I know the man page can be read like that. Nevertheless, it is still
unexpected, especially since the config file syntax seems to indicate
separate configuration items.
Regards
Harri
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