Service Manual

Command Modes EXEC Privilege
Command History
This guide is platform-specific. For command information about other platforms,
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.8(0.0) Introduced on the S3048–ON and S4048–ON.
9.7(0.0) Introduced on the S4810, S4820T, S6000 and Z-Series.
Example
Dell#show ipv6 dhcp snooping
IPv6 DHCP Snooping : Enabled.
IPv6 DHCP Snooping Mac Verification : Disabled.
Database write-delay (In minutes) : 5
DHCP packets information
Snooping packets : 0
Snooping packets processed on L2 vlans : 0
DHCP Binding File Details
Invalid File : 0
Invalid Binding Entry : 0
Binding Entry lease expired : 0
Dell#
Commands to Configure DNS
To configure the Domain Names Systems (DNS) on the system, use the following commands:
ip name-server
Configures the name server IP addresses for VRF. Using this command, you can configure up to a
maximum of six IP addresses per VRF.
Syntax
ip name-server [vrf vrf-name] ip-address [ip-address2] [ip-
address3] [ip-address4] [ip-address5] [ip-address6]
To undo the name server ip address configuration for VRF, use the no ip name-
server [vrf vrf-name] ip-address command.
Parameters
vrf vrf-name (Optional) Enter the key word vrf and then the name of the
VRF to configure the name server IP addresses for that VRF.
ip-address [ip-
address2] [ip-
Enter the IP address of the name server in dotted decimal
format.
Dynamic Host Configuration Protocol (DHCP)
669