Users Guide

Command History
This guide is platform-specic. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S4810, S4820T, S6000, S6000-ON, 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 Congure DNS
To congure the Domain Names Systems (DNS) on the system, use the following commands:
ip name-server
Congures one or more name server (DNS) IP addresses. You can congure up to six IP addresses.
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 conguration 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 congure the name
server IP addresses for that VRF.
ip-address [ip-
address2] [ip-
address3] [ip-
address4] [ip-
address5] [ip-
address6]
Enter the IP address of the name server in dotted decimal format.
NOTE: Use the additional ip-address parameters (ip-address2 to ip-
address6) in a sequential order to specify up to a maximum of six IP
addresses per VRF.
Defaults None
Dynamic Host Conguration Protocol (DHCP) 539