other versions
- wheezy 20120521-3+b3
- wheezy-backports 3.16.0-2~bpo70+1
- jessie 3.16.0-2
- testing 4.9.0-1
- unstable 4.9.0-1
IP-NEIGHBOUR(8) | Linux | IP-NEIGHBOUR(8) |
NAME¶
ip-neighbour - neighbour/arp tables management.SYNOPSIS¶
ip [ OPTIONS ] neigh { COMMAND | help }
DESCRIPTION¶
The ip neigh command manipulates neighbour objects that establish bindings between protocol addresses and link layer addresses for hosts sharing the same link. Neighbour entries are organized into tables. The IPv4 neighbour table is known by another name - the ARP table.ip neighbour add - add a new neighbour entry¶
ip neighbour change - change an existing entry¶
ip neighbour replace - add a new entry or change an existing one¶
These commands create new neighbour records or update existing ones.- to ADDRESS (default)
- the protocol address of the neighbour. It is either an IPv4
or IPv6 address.
- dev NAME
- the interface to which this neighbour is attached.
- lladdr LLADDRESS
- the link layer address of the neighbour. LLADDRESS
can also be null.
- nud NUD_STATE
- the state of the neighbour entry. nud is an
abbreviation for 'Neighbour Unreachability Detection'. The state can take
one of the following values:
permanent - the neighbour entry is valid forever and can be only be removed administratively.
ip neighbour delete - delete a neighbour entry¶
This command invalidates a neighbour entry.ip neighbour show - list neighbour entries¶
This commands displays neighbour tables.- to ADDRESS (default)
- the prefix selecting the neighbours to list.
- dev NAME
- only list the neighbours attached to this device.
- proxy
- list neighbour proxies.
- unused
- only list neighbours which are not currently in use.
- nud NUD_STATE
- only list neighbour entries in this state. NUD_STATE
takes values listed below or the special value all which means all
states. This option may occur more than once. If this option is absent,
ip lists all entries except for none and noarp.
ip neighbour flush - flush neighbour entries¶
This command flushes neighbour tables, selecting entries to flush by some criteria.EXAMPLES¶
ip neighbourShows the current neighbour table in
kernel.
ip neigh flush dev eth0
Removes entries in the neighbour table on
device eth0.
SEE ALSO¶
ip(8)AUTHOR¶
Original Manpage by Michail Litvak <mci@owl.openwall.com>20 Dec 2011 | iproute2 |