IP Addressing Commands
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CLI\files\IP_Addressing.fm
D E L L CO N F I D E N T I A L – P R E L I MI N A RY 5/ 1 5 /1 2 - F O R PR O O F O N LY
Example
The following example displays the IP helper addresses configuration on the
system.
source-precedence
Use the
source-precedence
IP Interface Configuration mode command to
define a preference for an IP address as a source IP address for DHCP relayed
messages on an interface. Use the
no
form of this command to restore the
default configuration.
Syntax
source-precedence
no source-precedence
Default Configuration
Source precedence is not defined for the address.
Command Mode
IP Interface Configuration mode
User Guidelines
For relayed DHCP messages, the source IP address selected is:
1.
The lowest of the IP addresses defined as source-precedence IP addresses.
2.
The lowest of the IP addresses if there are no source-precedence IP
addresses.
Console#
show ip helper-address
Interface
------------
192.168.1.1
192.168.2.1
Helper Address
--------------
172.16.8.8
172.16.9.9
Udp ports
------------------------
37, 42, 49, 53, 137, 138
37, 49