Contents
Displaying OSFPF Redistribution Filter (restrict)
Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-64
Displaying OSPF Virtual Neighbor Information . . . . . . . . . . . . . 11-65
Displaying OSPF Virtual Link Information . . . . . . . . . . . . . . . . . 11-66
Displaying OSPF Route Information . . . . . . . . . . . . . . . . . . . . . . 11-68
Configuring IRDP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-70
Enabling IRDP Globally . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-71
Enabling IRDP on an Individual VLAN Interface . . . . . . . . . . . . . . . 11-71
Displaying IRDP Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-72
Configuring DHCP Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-73
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-73
DHCP Packet Forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-73
Unicast Forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-73
Broadcast Forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-73
Minimum Requirements for DHCP Relay Operation . . . . . . . . . . . . 11-74
Enabling DHCP Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-74
Configuring a Helper Address . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-74
Viewing the Current DHCP Relay Configuration . . . . . . . . . . . . 11-75
Syntax: show ip helper-address < vlan-id > . . . . . . . . . . . . . . . . . . . . . . 11-75
UDP Broadcast Forwarding on 5300xl Switches . . . . . . . . . . . . . . . . . . . 11-76
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-76
Subnet Masking for UDP Forwarding Addresses . . . . . . . . . . . . . . . 11-77
Configuring and Enabling UDP Broadcast Forwarding . . . . . . . . . . 11-78
Globally Enabling UDP Broadcast Forwarding . . . . . . . . . . . . . 11-78
Configuring UDP Broadcast Forwarding on Individual
VLANs
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-78
Displaying the Current IP Forward-Protocol Configuration . . . . . . 11-80
Operating Notes for UDP Broadcast Forwarding . . . . . . . . . . . . . . . 11-81
Messages Related to UDP Broadcast Forwarding . . . . . . . . . . . . . . 11-81
Configuring Static Network Address Translation (NAT) for Intranet
Applications on the 5300xl Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-82
Static NAT Operating Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-83
Configuring Static NAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-83
Displaying Static NAT Statistics and Configuration . . . . . . . . . . . . . 11-85
Static NAT Operating Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-85
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