Dell SmartFabric OS10 User Guide Release 10.5.3

Usecase - Example for source-interface command for IPv4

In the following example, the DHCP client is connected on Eth 1/1/1.

Loopback 0 is used as the relay source-interface for the default VRF clients.

Gi addr ( source-interface) - 3.1.1.1

Client(conf-if-eth1/1/1)# show configuration
!
interface ethernet1/1/1
no shutdown
no switchport
ip address dhcp
flowcontrol receive off
Client(conf-if-eth1/1/1)#

OS10(config)# ip dhcp server
OS10(config-dhcp)# pool dell_1
OS10(config-dhcp-dell_1)# network 1.1.1.0/24
OS10(config-dhcp-dell_1)# range 1.1.1.2 1.1.1.10
Server(config-dhcp-dell_1)# show configuration
!
pool dell_1
network 1.1.1.0/24
range 1.1.1.2 1.1.1.10
Server(config-dhcp-dell_1)#

Server(conf-if-eth1/1/2)# show configuration
!
interface ethernet1/1/2
no shutdown
no switchport
ip address 20.1.1.2/24
flowcontrol receive off
Server(conf-if-eth1/1/2)#

Relay(config)# interface loopback 0
Relay(conf-if-lo-0)# show configuration
!
interface loopback0
no shutdown
Relay(conf-if-lo-0)# ip address 3.1.1.1/32
Relay(conf-if-lo-0)# show configuration
!
interface loopback0
no shutdown
ip address 3.1.1.1/32
Relay(conf-if-lo-0)#

Relay(conf-if-eth1/1/1)# show configuration
!
interface ethernet1/1/1
no shutdown
no switchport
ip address 1.1.1.1/24
flowcontrol receive off
ip helper-address 20.1.1.2
ip dhcp-relay source-interface loopback1

Relay(conf-if-eth1/1/2)# show configuration
!
interface ethernet1/1/2
no shutdown
no switchport
ip address 20.1.1.1/24
flowcontrol receive off
Relay(conf-if-eth1/1/2)#