HP 2920 Series User Manual

Configuring Static Multicast Groups.................................................................................28
Show Commands...............................................................................................................28
Viewing the current IGMP configuration and status............................................................28
Statistics and State commands.............................................................................................31
Help function commands.........................................................................................................32
3 IP Routing Features...................................................................................36
Overview..............................................................................................................................36
IP interfaces......................................................................................................................36
IP tables and caches..........................................................................................................36
ARP cache table...........................................................................................................36
ARP cache...............................................................................................................37
IP route table................................................................................................................37
Routing paths...........................................................................................................37
Administrative distance.............................................................................................37
IP forwarding cache......................................................................................................37
IP route exchange protocols.................................................................................................38
IP global parameters for routing switches..............................................................................38
ARP age timer...................................................................................................................40
IP interface parameters for routing switches...........................................................................41
Configuring IP parameters for routing switches............................................................................42
Configuring ARP parameters...............................................................................................42
How ARP works............................................................................................................42
Configuring forwarding parameters......................................................................................43
Enabling forwarding of directed broadcasts......................................................................43
Enabling forwarding of IP directed broadcasts (CLI)......................................................44
Configuring ICMP...................................................................................................................44
Disabling ICMP messages...................................................................................................44
Disabling replies to broadcast ping requests..........................................................................44
Disabling ICMP destination unreachable messages................................................................45
Disabling all ICMP unreachable messages.......................................................................45
Disabling ICMP redirects.....................................................................................................45
Configuring static IP routes.......................................................................................................45
Static route types...............................................................................................................46
Other sources of routes in the routing table............................................................................46
Static IP route parameters....................................................................................................46
Static route states follow VLAN states....................................................................................46
Configuring a static IP route................................................................................................47
Viewing static route information...........................................................................................48
Configuring the default route...............................................................................................48
Configuring ECMP routing for static IP routes..............................................................................49
Configuring ECMP routing for static IP routes..............................................................................49
Viewing the current IP load-sharing configuration........................................................................49
Configuring RIP......................................................................................................................50
Overview of RIP.................................................................................................................50
RIP parameters and defaults................................................................................................51
RIP global parameters....................................................................................................51
RIP interface parameters.................................................................................................51
Configuring RIP parameters.................................................................................................52
Enabling RIP.................................................................................................................52
Enabling RIP on the routing switch and entering the RIP router context..............................52
Enabling IP RIP on a VLAN.............................................................................................53
Changing the RIP type on a VLAN interface.....................................................................54
Changing the cost of routes learned on a VLAN interface...................................................54
Configuring RIP redistribution...............................................................................................54
4 Contents

HP 2920 Series Specifications

General

Model	HP 2920 Series
Stacking	Yes, up to 4 switches
PoE	Optional, depending on the model (PoE+)
Routing	Static, RIP, OSPF
Management	Web interface, CLI, SNMP
Features	IPv6 support, ACLs, QoS, sFlow
Power Consumption	Varies by model
Weight	Varies by model
Operating Temperature	0°C to 45°C (32°F to 113°F)
Operating Humidity	15% to 95% non-condensing
Ports	24 or 48 x 10/100/1000 ports
Dimensions	1U height, 17.3 x 10.2 x 1.7 in (44 x 26 x 4.3 cm)