Rrc: /* ip neigh */

2017-01-21T21:19:09Z

‎ip neigh

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__NOTOC__
* [[:#ip addr | ip addr]]
* [[:#ip link | ip link]]
* [[:#ip route | ip route]]
* [[:#ip maddr | ip maddr]]
* [[:#ip neigh | ip neigh]]
* [[:#ip help | ip help]]
* [[:#ip addr add| ip addr add]]
* [[:#ip addr del | ip addr del]]
* [[:#ip link set | ip link set]]

== IP ==
=== ip addr ===

<syntaxhighlight lang="bash">
[root@pwyr ~]# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp63s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether 00:22:64:b5:1b:31 brd ff:ff:ff:ff:ff:ff
inet 192.168.51.51/24 brd 192.168.51.255 scope global enp63s0
valid_lft forever preferred_lft forever
inet6 fe80::222:64ff:feb5:1b31/64 scope link
valid_lft forever preferred_lft forever

[root@pwyr ~]# ip addr show dev enp63s0
2: enp63s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether 00:22:64:b5:1b:31 brd ff:ff:ff:ff:ff:ff
inet 192.168.51.51/24 brd 192.168.51.255 scope global enp63s0
valid_lft forever preferred_lft forever
inet6 fe80::222:64ff:feb5:1b31/64 scope link
valid_lft forever preferred_lft forever
</syntaxhighlight>

=== ip link ===

<syntaxhighlight lang="bash">
[root@pwyr ~]# ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: enp63s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 00:22:64:b5:1b:31 brd ff:ff:ff:ff:ff:ff

[root@pwyr ~]# ip link show dev enp63s0
2: enp63s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 00:22:64:b5:1b:31 brd ff:ff:ff:ff:ff:ff

# Mostrar estadísticas
[root@pwyr ~]# ip -s link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
RX: bytes packets errors dropped overrun mcast
3068 50 0 0 0 0
TX: bytes packets errors dropped carrier collsns
3068 50 0 0 0 0
2: enp63s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 00:22:64:b5:1b:31 brd ff:ff:ff:ff:ff:ff
RX: bytes packets errors dropped overrun mcast
726964638 807366 0 0 0 101778
TX: bytes packets errors dropped carrier collsns
24196212 306168 0 0 0 0
</syntaxhighlight>

=== ip route ===

<syntaxhighlight lang="bash">
[root@pwyr ~]# ip route
default via 192.168.51.1 dev enp63s0 metric 10
169.254.0.0/16 dev enp63s0 scope link metric 10
192.168.51.0/24 dev enp63s0 proto kernel scope link src 192.168.51.51 metric 10
</syntaxhighlight>

=== ip maddr ===

<syntaxhighlight lang="bash">
# Mostrar Multicast IPs
[root@pwyr ~]# ip maddr
1: lo
inet 224.0.0.1
inet6 ff02::1
inet6 ff01::1
2: enp63s0
link 33:33:00:00:00:01
link 01:00:5e:00:00:01
link 33:33:ff:b5:1b:31
link 33:33:00:01:00:03
link 01:00:5e:00:00:fc
link 33:33:00:00:02:02
inet 224.0.0.252
inet 224.0.0.1
inet6 ff02::202
inet6 ff02::1:3
inet6 ff02::1:ffb5:1b31
inet6 ff02::1
inet6 ff01::1

[root@pwyr ~]# ip maddr show dev enp63s0
2: enp63s0
link 33:33:00:00:00:01
link 01:00:5e:00:00:01
link 33:33:ff:b5:1b:31
link 33:33:00:01:00:03
link 01:00:5e:00:00:fc
link 33:33:00:00:02:02
inet 224.0.0.252
inet 224.0.0.1
inet6 ff02::202
inet6 ff02::1:3
inet6 ff02::1:ffb5:1b31
inet6 ff02::1
inet6 ff01::1
</syntaxhighlight>

=== ip neigh ===

<syntaxhighlight lang="bash">
[root@pwyr ~]# ip neigh
192.168.51.1 dev enp63s0 lladdr c4:6e:1f:56:7c:09 STALE
192.168.51.53 dev enp63s0 lladdr d0:53:49:30:5c:10 DELAY
fe80::88f8:afff:feea:376 dev enp63s0 lladdr c4:6e:1f:56:7c:09 router STALE

[root@pwyr ~]# ip neigh show dev enp63s0
192.168.51.1 lladdr c4:6e:1f:56:7c:09 STALE
192.168.51.53 lladdr d0:53:49:30:5c:10 REACHABLE
fe80::88f8:afff:feea:376 lladdr c4:6e:1f:56:7c:09 router STALE

[root@pwyr ~]# ping 192.168.51.30
PING 192.168.51.30 (192.168.51.30) 56(84) bytes of data.
From 192.168.51.51 icmp_seq=1 Destination Host Unreachable
^C
--- 192.168.51.30 ping statistics ---
6 packets transmitted, 0 received, +4 errors, 100% packet loss, time 5000ms
pipe 4
[root@pwyr ~]# ping 192.168.51.2
PING 192.168.51.2 (192.168.51.2) 56(84) bytes of data.
64 bytes from 192.168.51.2: icmp_seq=1 ttl=64 time=0.461 ms
64 bytes from 192.168.51.2: icmp_seq=2 ttl=64 time=0.228 ms
^C
--- 192.168.51.2 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1000ms
rtt min/avg/max/mdev = 0.228/0.344/0.461/0.117 ms
[root@pwyr ~]# ping 192.168.51.53
PING 192.168.51.53 (192.168.51.53) 56(84) bytes of data.
64 bytes from 192.168.51.53: icmp_seq=1 ttl=64 time=36.2 ms
64 bytes from 192.168.51.53: icmp_seq=2 ttl=64 time=1.40 ms
^C
--- 192.168.51.53 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 1.408/13.324/36.223/16.196 ms
[root@pwyr ~]# ip neigh
192.168.51.30 dev enp63s0 FAILED
192.168.51.1 dev enp63s0 lladdr c4:6e:1f:56:7c:09 STALE
192.168.51.50 dev enp63s0 lladdr 48:13:7e:f9:66:15 STALE
192.168.51.53 dev enp63s0 lladdr d0:53:49:30:5c:10 REACHABLE
192.168.51.2 dev enp63s0 lladdr 00:21:5e:67:c7:d1 REACHABLE
fe80::88f8:afff:feea:376 dev enp63s0 lladdr c4:6e:1f:56:7c:09 router STALE
</syntaxhighlight>

=== ip help ===

<syntaxhighlight lang="bash">
[root@pwyr ~]# ip help
Usage: ip [ OPTIONS ] OBJECT { COMMAND | help }
ip [ -force ] -batch filename
where OBJECT := { link | address | addrlabel | route | rule | neighbor | ntable |
tunnel | tuntap | maddress | mroute | mrule | monitor | xfrm |
netns | l2tp | fou | tcp_metrics | token | netconf }
OPTIONS := { -V[ersion] | -s[tatistics] | -d[etails] | -r[esolve] |
-h[uman-readable] | -iec |
-f[amily] { inet | inet6 | ipx | dnet | mpls | bridge | link } |
-4 | -6 | -I | -D | -B | -0 |
-l[oops] { maximum-addr-flush-attempts } | -br[ief] |
-o[neline] | -t[imestamp] | -ts[hort] | -b[atch] [filename] |
-rc[vbuf] [size] | -n[etns] name | -a[ll] | -c[olor]}

[root@pwyr ~]# ip addr help
Usage: ip address {add|change|replace} IFADDR dev IFNAME [ LIFETIME ]
[ CONFFLAG-LIST ]
ip address del IFADDR dev IFNAME [mngtmpaddr]
ip address {show|save|flush} [ dev IFNAME ] [ scope SCOPE-ID ]
[ to PREFIX ] [ FLAG-LIST ] [ label LABEL ] [up]
ip address {showdump|restore}
IFADDR := PREFIX | ADDR peer PREFIX
[ broadcast ADDR ] [ anycast ADDR ]
[ label IFNAME ] [ scope SCOPE-ID ]
SCOPE-ID := [ host | link | global | NUMBER ]
FLAG-LIST := [ FLAG-LIST ] FLAG
FLAG := [ permanent | dynamic | secondary | primary |
[-]tentative | [-]deprecated | [-]dadfailed | temporary |
CONFFLAG-LIST ]
CONFFLAG-LIST := [ CONFFLAG-LIST ] CONFFLAG
CONFFLAG := [ home | nodad | mngtmpaddr | noprefixroute | autojoin ]
LIFETIME := [ valid_lft LFT ] [ preferred_lft LFT ]
LFT := forever | SECONDS

[root@pwyr ~]# ip link help
Usage: ip link add [link DEV] [ name ] NAME
[ txqueuelen PACKETS ]
[ address LLADDR ]
[ broadcast LLADDR ]
[ mtu MTU ] [index IDX ]
[ numtxqueues QUEUE_COUNT ]
[ numrxqueues QUEUE_COUNT ]
type TYPE [ ARGS ]
ip link delete { DEVICE | dev DEVICE | group DEVGROUP } type TYPE [ ARGS ]

ip link set { DEVICE | dev DEVICE | group DEVGROUP } [ { up | down } ]
[ arp { on | off } ]
[ dynamic { on | off } ]
[ multicast { on | off } ]
[ allmulticast { on | off } ]
[ promisc { on | off } ]
[ trailers { on | off } ]
[ txqueuelen PACKETS ]
[ name NEWNAME ]
[ address LLADDR ]
[ broadcast LLADDR ]
[ mtu MTU ]
[ netns PID ]
[ netns NAME ]
[ link-netnsid ID ]
[ alias NAME ]
[ vf NUM [ mac LLADDR ]
[ vlan VLANID [ qos VLAN-QOS ] ]
[ rate TXRATE ] ]
[ spoofchk { on | off} ] ]
[ query_rss { on | off} ] ]
[ state { auto | enable | disable} ] ]
[ master DEVICE ]
[ nomaster ]
[ addrgenmode { eui64 | none } ]
[ protodown { on | off } ]
ip link show [ DEVICE | group GROUP ] [up] [master DEV] [type TYPE]
ip link help [ TYPE ]

TYPE := { vlan | veth | vcan | dummy | ifb | macvlan | macvtap |
bridge | bond | ipoib | ip6tnl | ipip | sit | vxlan |
gre | gretap | ip6gre | ip6gretap | vti | nlmon |
bond_slave | ipvlan | geneve | bridge_slave | vrf }

[root@pwyr ~]# ip neigh help
Usage: ip neigh { add | del | change | replace } { ADDR [ lladdr LLADDR ]
[ nud { permanent | noarp | stale | reachable } ]
| proxy ADDR } [ dev DEV ]
ip neigh {show|flush} [ to PREFIX ] [ dev DEV ] [ nud STATE ]
</syntaxhighlight>

=== ip addr add ===

<syntaxhighlight lang="bash">
[root@pwyr ~]# ip addr add 10.51.1.1/24 dev enp63s0
[root@pwyr ~]# ip addr show dev enp63s0
2: enp63s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether 00:22:64:b5:1b:31 brd ff:ff:ff:ff:ff:ff
inet 192.168.51.51/24 brd 192.168.51.255 scope global enp63s0
valid_lft forever preferred_lft forever
inet 10.51.1.1/24 scope global enp63s0
valid_lft forever preferred_lft forever
inet6 fe80::222:64ff:feb5:1b31/64 scope link
valid_lft forever preferred_lft forever
</syntaxhighlight>

=== ip addr del ===

<syntaxhighlight lang="bash">
[root@pwyr ~]# ip addr del 10.51.1.1/24 dev enp63s0
[root@pwyr ~]# ip addr show dev enp63s0
2: enp63s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether 00:22:64:b5:1b:31 brd ff:ff:ff:ff:ff:ff
inet 192.168.51.51/24 brd 192.168.51.255 scope global enp63s0
valid_lft forever preferred_lft forever
inet6 fe80::222:64ff:feb5:1b31/64 scope link
valid_lft forever preferred_lft forever
</syntaxhighlight>

=== ip link set ===
<syntaxhighlight lang="bash">
[root@pwyr ~]# ip link set enp63s0 down
[root@pwyr ~]# ip link show dev enp63s0
2: enp63s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000
link/ether 00:22:64:b5:1b:31 brd ff:ff:ff:ff:ff:ff

[root@pwyr ~]# ip link set enp63s0 uo
[root@pwyr ~]# ip link show dev enp63s0
2: enp63s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 00:22:64:b5:1b:31 brd ff:ff:ff:ff:ff:ff

[root@pwyr ~]# ip link set enp63s0 promisc on
[root@pwyr ~]# ip link show dev enp63s0
2: enp63s0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 00:22:64:b5:1b:31 brd ff:ff:ff:ff:ff:ff

[root@pwyr ~]# ip link set enp63s0 promisc off
[root@pwyr ~]# ip link show dev enp63s0
2: enp63s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 00:22:64:b5:1b:31 brd ff:ff:ff:ff:ff:ff

</syntaxhighlight>

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Rrc: /* ip neigh */