Neighbor Discovery


nv show interface <interface-id> ip neighbor-discovery

Shows ND settings for an interface.

Command Syntax

SyntaxDescription
<interface-id>The interface name.

Version History

Introduced in Cumulus Linux 5.1.0

Example

cumulus@switch:~$ nv show interface swp1 ip neighbor-discovery

nv show interface <interface-id> ip neighbor-discovery dnssl

Shows the DNSSLdomain suffixes configured on the specified interface.

Command Syntax

SyntaxDescription
<interface-id>The interface name.

Version History

Introduced in Cumulus Linux 5.1.0

Example

cumulus@switch:~$ nv show interface swp1 ip neighbor-discovery dnssl

nv show interface <interface-id> ip neighbor-discovery dnssl <domain-name-id>

Shows configuration information for the specified DNSSLdomain suffix.

Command Syntax

SyntaxDescription
<interface-id>The interface name.
<domain-name-id>The domain portion of a hostname (RFC 1123) or an internationalized hostname (RFC 5890).

Version History

Introduced in Cumulus Linux 5.1.0

Example

cumulus@switch:~$ nv show interface swp1 ip neighbor-discovery dnssl accounting.nvidia.com

nv show interface <interface-id> ip neighbor-discovery home-agent

Shows Home Agent configuration for an interface, such as the maximum amount of time the router acts as a Home Agent and the router preference.

Command Syntax

SyntaxDescription
<interface-id>The interface name.

Version History

Introduced in Cumulus Linux 5.1.0

Example

cumulus@switch:~$ nv show interface swp1 ip neighbor-discovery home-agent

nv show interface <interface-id> ip neighbor-discovery prefix

Shows the ND prefixes for the specified interface.

Command Syntax

SyntaxDescription
<interface-id>The interface name.

Version History

Introduced in Cumulus Linux 5.1.0

Example

cumulus@switch:~$ nv show interface swp1 ip neighbor-discovery prefix

nv show interface <interface-id> ip neighbor-discovery prefix <ipv6-prefix-id>

Shows ND prefix configuration for the specified interface, such as the amount of time the prefix is valid for on-link determination, the amount of time that addresses generated from a prefix remain preferred, and if the specified prefix is configured to use IPv6 autoconfiguration.

Command Syntax

SyntaxDescription
<interface-id>The interface name.
<ipv6-address-id>The IPv6 address and route prefix.

Version History

Introduced in Cumulus Linux 5.1.0

Example

cumulus@switch:~$ nv show interface swp1 ip neighbor-discovery prefix 2001:db8:1::100/32

nv show interface <interface-id> ip neighbor-discovery rdnss

Shows the RDNSS configured on the specified interface.

Command Syntax

SyntaxDescription
<interface-id>The interface name.

Version History

Introduced in Cumulus Linux 5.1.0

Example

cumulus@switch:~$ nv show interface swp1 ip neighbor-discovery rdnss

nv show interface <interface-id> ip neighbor-discovery rdnss <ipv6-address-id>

Shows configuration for the specified RDNSS configured on the specified interface.

Command Syntax

SyntaxDescription
<interface-id>The interface name.
<ipv6-address-id>The IPv6 address of the RDNSS.

Version History

Introduced in Cumulus Linux 5.1.0

Example

cumulus@switch:~$ nv show interface swp1 ip neighbor-discovery rdnss 2001:db8:1::100

nv show interface <interface-id> ip neighbor-discovery router-advertisement

Shows router advertisement configuration for an interface, such as the hop limit value advertised in a router advertisement message, the maximum amount of time that router advertisement messages can exist on the route, the interval at which neighbor solicitation messages retransmit, and if fast transmit mode is on.

Command Syntax

SyntaxDescription
<interface-id>The interface name.

Version History

Introduced in Cumulus Linux 5.1.0

Example

cumulus@switch:~$ nv show interface swp1 ip neighbor-discovery router-advertisement