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Connectivity Guide

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Table Of Contents
Configuring a DHCP relay agent on an non-default VRF instance
To configure DHCP relay agent on an interface corresponding to a non-default VRF instance:
1. Enter the INTERFACE CONFIGURATION mode.
CONFIGURATION
OS10(config)#interface interface-name
interface 2/1/1
2. Configure the DHCP relay agent on the interface that is part of the non-default VRF instance. Specify the name of the
non-default VRF instance on which you want to run the relay agent.
INTERFACE CONFIGURATION
OS10(config-inf)#ip helper-address ip-address vrf-name
ip helper-address 20.1.1.1 vrf-test
OS10(config)#interface 2/1/1
OS10(config-2/1/1)#ip helper-address 20.1.1.1 vrf-test
View DHCP Information
Use the show ip dhcp binding command to view the DHCP binding table entries.
View DHCP Binding Table
OS10# show ip dhcp binding
IP Address Hardware address Lease expiration Hostname
+--------------------------------------------------------------------------
11.1.1.254 00:00:12:12:12:12 Jan 27 2016 06:23:45
Total Number of Entries in the Table = 1
System domain name and list
If you enter a partial domain, the system searches different domains to finish or fully qualify that partial domain. A fully qualified
domain name (FQDN) is any name that terminates with a period or dot.
OS10 searches the host table first to resolve the partial domain. The host table contains both statically configured and
dynamically learned host and IP addresses. If OS10 cannot resolve the domain, it tries the domain name assigned to the local
system. If that does not resolve the partial domain, the system searches the list of domains configured.
You can configure the ip domain-list command up to five times to enter a list of possible domain names. The system
searches the domain names in the order they were configured until a match is found or the list is exhausted.
1. Enter a domain name in CONFIGURATION mode (up to 64 alphanumeric characters).
ip domain-name name
2. Add names to complete unqualified host names in CONFIGURATION mode.
ip domain-list name
You can configure a domain name and list corresponding to a non-default VRF instance.
1. Enter a domain name corresponding to a non-default VRF instance in the CONFIGURATION mode.
ip domain-name vrf vrf-name server-name
System management
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