NVIDIA UFM-SDN Appliance Command Reference Guide v4.18.0
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Network to Media Resolution (ARP & NDP)

IPv4 network use Address Resolution Protocol (ARP) to resolve IP address to MAC address.

arp

arp <ip-address> <mac-address>

no arp <ip-address> <mac-address>

Sets a static ARP entry.

The no form of the command deletes the static ARP.

Syntax Description

ip-address

IPv4 address

mac-address

MAC address

Default

N/A

Configuration Mode

config

History

1.5

Example
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ufmapl [ mgmt-sa ] (config) # arp 172.30.0.1 00:00:5E:00:01:01

Related Commands

show ip arp

Notes

show arp

show arp [static]

Displays the ARP table.

Syntax Description

N/A

Default

N/A

Configuration Mode

Any configuration mode

History

1.5

Example
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ufmapl [ mgmt-sa ] (config) # show arp
ARP cache contents 
IP 172.30.0.1 maps to MAC 00:00:5E:00:01:01 (interface eth0)
 
ufmapl [ mgmt-sa ] (config) # show arp static
Static ARP entries 
IP 1.1.1.1 maps to MAC 00:01:02:03:04:05

Related Commands

arp

Notes

ipv6 neighbor

ipv6 neighbor <ipv6-address> <ifname> <mac-address>

no ipv6 neighbor <ipv6-address> <ifname> <mac-address>

Adds a static neighbor entry.

The no form of the command deletes the static entry.

Syntax Description

ipv6-address

IPv6 address

ifname

Management interface (i.e. eth0, eth1)

mac-address

MAC address

Default

N/A

Configuration Mode

config

History

4.1.0

Example
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ufmapl [ mgmt-sa ] (config) # ipv6 neighbor 2001:db8:701f::8f9 eth0
00:11:22:33:44:55

Related Commands

show ipv6 neighbor

ipv6 route

arp

clear ipv6 neighbors

Notes

  • ARP is used only with IPv4. In IPv6 networks, Neighbor Discovery Protocol (NDP) is used similarly.

  • Use The no form of the command to remove static entries. Dynamic entries can be cleared via the “clear ipv6 neighbors” command.

clear ipv6 neighbors

clear ipv6 neighbors

Clears the dynamic neighbors cache.

Syntax Description

N/A

Default

N/A

Configuration Mode

config

History

4.1.0

Example
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ufmapl [ mgmt-sa ] (config) # clear ipv6 neighbors

Related Commands

ipv6 neighbor

show ipv6 neighbor

arp

Notes

  • Clearing Neighbor Discovery Protocol (NDP) cache removes only the dynamic entries learned and not the static entries configured

  • Use the no form of the command to remove static entries

show ipv6 neighbors

show ipv6 neighbors [static]

Displays the Neighbor Discovery Protocol (NDP) table.

Syntax Description

static

Filters only the table of the static entries

Default

N/A

Configuration Mode

Any configuration mode

History

4.1.0

Example
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ufmapl [ mgmt-sa ] (config) # show ipv6 neighbors
IPv6 Address                             Age      MAC Address          State         Interf
-------------------------------------    -----    -----------------    ----------    ------
2001::2                                  9428     AA:AA:AA:AA:AA:AA    permanent     eth0

Related Commands

ipv6 neighbor

clear ipv6 neighbor

show ipv6

Notes

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