HP 2920 Series User Manual

Defining RIP redistribution filters......................................................................................54
Configuring for redistribution......................................................................................55
Modifying default metric for redistribution.........................................................................55
Enabling RIP route redistribution......................................................................................55
Changing the route loop prevention method..........................................................................56
Viewing RIP information......................................................................................................56
Viewing general RIP information......................................................................................56
Viewing RIP interface information....................................................................................58
Viewing RIP peer information..........................................................................................59
Viewing RIP redistribution information..............................................................................60
Viewing RIP redistribution filter (restrict) information............................................................60
Configuring IRDP....................................................................................................................60
Enabling IRDP globally.......................................................................................................61
Enabling IRDP on an individual VLAN interface.....................................................................61
Viewing IRDP information....................................................................................................62
Configuring DHCP relay..........................................................................................................63
Overview..........................................................................................................................63
DHCP packet forwarding....................................................................................................63
Unicast forwarding........................................................................................................63
Broadcast forwarding....................................................................................................63
Prerequisites for DHCP relay operation.................................................................................64
Enabling DHCP relay.........................................................................................................64
Configuring an IP helper address.........................................................................................64
Operating notes............................................................................................................64
Verifying the DHCP relay configuration.................................................................................64
Viewing the DHCP relay setting.......................................................................................64
Viewing DHCP helper addresses.....................................................................................65
DHCP Option 82...............................................................................................................65
Option 82 server support...............................................................................................66
General DHCP Option 82 requirements and operation......................................................67
Requirements...........................................................................................................67
General DHCP-relay operation with Option 82.............................................................67
Option 82 field content..................................................................................................68
Remote ID...............................................................................................................68
Circuit ID.................................................................................................................69
Forwarding policies.......................................................................................................70
Configuration options for managing DHCP client request packets........................................70
Multiple Option 82 relay agents in a client request path.....................................................71
Validation of server response packets...............................................................................71
Multinetted VLANs........................................................................................................72
Configuring Option 82..................................................................................................73
Example of Option 82 configuration...........................................................................74
Operating notes............................................................................................................75
UDP broadcast forwarding......................................................................................................76
Overview..........................................................................................................................76
Subnet masking for UDP forwarding addresses......................................................................77
Configuring and enabling UDP broadcast forwarding.............................................................77
Globally enabling UDP broadcast forwarding...................................................................77
Configuring UDP broadcast forwarding on individual VLANs..............................................77
Viewing the current IP forward-protocol configuration.........................................................78
Operating notes for UDP broadcast forwarding.................................................................79
Maximum number of entries.......................................................................................79
TCP/UDP port number ranges....................................................................................79
Contents 5

HP 2920 Series Specifications

General

Brand	HP
Model	2920 Series
Category	Switch
Language	English