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Chapter 10 IP interface configuration
Chapter contents
Introduction........................................................................................................................................................121
IP interface configuration task list........................................................................................................................121
Creating an IP interface ................................................................................................................................121
Deleting an IP interface ................................................................................................................................122
Setting the IP address and netmask ...............................................................................................................123
Configuring a NAPT DMZ interface ............................................................................................................123
ICMP message processing .............................................................................................................................124
ICMP redirect messages ................................................................................................................................124
Router advertisement broadcast message .......................................................................................................124
Defining the MTU and MSS of the interface ................................................................................................125
Configuring an interface as a point-to-point link ..........................................................................................126
Displaying IP interface information ..............................................................................................................126
Displaying dynamic ARP entries ...................................................................................................................127
Flushing dynamic ARP entries ......................................................................................................................127
Processing gratuitous ARP requests ...............................................................................................................127
Testing connections with the ping command ................................................................................................127
IP link supervision ........................................................................................................................................128
Check connectivity of an IP link .............................................................................................................129
Show IP link status ..................................................................................................................................129
Debug connectivity .................................................................................................................................129
Debug ARP ...................................................................................................................................................129
Traceroute ....................................................................................................................................................130
Configuring the IGMP Proxy..............................................................................................................................131