---
name: "ip-ntable"
section: "8"
platform: "linux"
package: "iproute2"
version: "7.3.0-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/ip-ntable"
---

# ip-ntable(8)

neighbour table configuration

## NAME

ip-ntable - neighbour table configuration

## SYNOPSIS

**ip** \[ *OPTIONS* \] **ntable**  { *COMMAND* \|  **help** }

**ip ntable change name** *NAME* \[  **dev** *DEV* \] \[ **thresh1** *VAL* \] \[ **thresh2** *VAL* \] \[ **thresh3** *VAL* \] \[ **gc\_int** *MSEC* \] \[ **base\_reachable** *MSEC* \] \[ **retrans** *MSEC* \] \[ **gc\_stale** *MSEC* \] \[ **delay\_probe** *MSEC* \] \[ **queue** *LEN* \] \[ **app\_probes** *VAL* \] \[ **ucast\_probes** *VAL* \] \[ **mcast\_probes** *VAL* \] \[ **mcast\_reprobes** *VAL* \] \[ **anycast\_delay** *MSEC* \] \[ **proxy\_delay** *MSEC* \] \[ **proxy\_queue** *LEN* \] \[ **locktime** *MSEC* \]

**ip ntable show** \[  **dev** *DEV* \] \[  **name** *NAME* \]

## DESCRIPTION

*ip ntable* controls the parameters for the neighbour tables.

### ip ntable show - list the ip neighbour tables

This commands displays neighbour table parameters and statistics.

- **dev** *DEV*

  only list the table attached to this device.

- **name** *NAME*

  only lists the table with the given name.

### ip ntable change - modify table parameter

This command allows modifying table parameters such as timers and queue lengths.

- **name** *NAME*

  the name of the table to modify.

- **dev** *DEV*

  the name of the device to modify the table values.

## EXAMPLES

ip ntable show dev eth0

Shows the neighbour table (IPv4 ARP and IPv6 ndisc) parameters on device eth0.

ip ntable change name arp\_cache queue 8 dev eth0

Changes the number of packets queued while address is being resolved from the default value (3) to 8 packets.

## SEE ALSO

[**ip**(8)](/ip/8.md)

## AUTHOR

Manpage by Stephen Hemminger
