Interfaces I don't recognize?
These are all the weird ones I have present:
2: dummy0: <broadcast,noarp>mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 16:a4:95:28:e6:dc brd ff:ff:ff:ff:ff:ff
4: teql0: <noarp>mtu 1500 qdisc noop state DOWN group default qlen 100
link/void
5: tunl0@NONE: <noarp>mtu 1480 qdisc noop state DOWN group default qlen 1000
link/ipip 0.0.0.0 brd 0.0.0.0
6: gre0@NONE: <noarp>mtu 1476 qdisc noop state DOWN group default qlen 1000
link/gre 0.0.0.0 brd 0.0.0.0
7: gretap0@NONE: <broadcast,multicast>mtu 1462 qdisc noop state DOWN group default qlen 1000
link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
8: erspan0@NONE: <broadcast,multicast>mtu 1450 qdisc noop state DOWN group default qlen 1000
link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
9: ip_vti0@NONE: <noarp>mtu 1428 qdisc noop state DOWN group default qlen 1000
link/ipip 0.0.0.0 brd 0.0.0.0
10: ip6_vti0@NONE: <noarp>mtu 1500 qdisc noop state DOWN group default qlen 1000
link/tunnel6 :: brd ::
11: sit0@NONE: <noarp>mtu 1480 qdisc noop state DOWN group default qlen 1000
link/sit 0.0.0.0 brd 0.0.0.0
12: ip6tnl0@NONE: <noarp>mtu 1452 qdisc noop state DOWN group default qlen 1000
link/tunnel6 :: brd ::
13: ip6gre0@NONE: <noarp>mtu 1448 qdisc noop state DOWN group default qlen 1000
link/gre6 00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00 brd 00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00</noarp></noarp></noarp></noarp></noarp></broadcast,multicast></broadcast,multicast></noarp></noarp></noarp></broadcast,noarp>
2 Replies
I noticed the same thing. Is this linode normal?
These are virtual interfaces and are typically loaded as kernel modules. You can remove them individually with modprobe if you're using a distro / custom kernel. They aren't really doing anything by default, though.