HP A5120 EI Series User Manual

120
begin: Displays the first line that matches the specified regular expression and all lines that follow.
exclude: Displays all lines that do not match the specified regular expression.
include: Displays all lines that match the specified regular expression.
regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.
Description
Use the display udp statistics command to display statistics of UDP packets.
Related commands: reset udp statistics.
Examples
# Display statistics of UDP packets.
<Sysname> display udp statistics
Received packets:
Total: 0
checksum error: 0
shorter than header: 0, data length larger than packet: 0
unicast(no socket on port): 0
broadcast/multicast(no socket on port): 0
not delivered, input socket full: 0
input packets missing pcb cache: 0
Sent packets:
Total: 0
Table 30 Output description
Field
Description
Received
packets:
Total
Total number of UDP packets received
checksum error
Total number of packets with incorrect checksum
shorter than header
Number of packets with data shorter than head
data length larger than packet
Number of packets with data longer than packet
unicast(no socket on port)
Number of unicast packets with no socket on port
broadcast/multicast(no socket on
port)
Number of broadcast/multicast packets without socket
on port
not delivered, input socket full
Number of packets not delivered to an upper layer due
to a full socket cache
input packets missing pcb cache
Number of packets without matching protocol control
block (PCB) cache
Sent packets:
Total
Total number of UDP packets sent
ip forward-broadcast (interface view)
Syntax
ip forward-broadcast [ acl acl-number ]
undo ip forward-broadcast

HP A5120 EI Series Specifications

General

Uplink Ports	4 x SFP
Stacking	No
Management	CLI, Web, SNMP
Routing Protocols	RIP, OSPF
Power Supply	AC
MAC Address Table Size	16K
Dimensions	440 x 430 x 44 mm
Operating Temperature	0°C to 45°C
Operating Humidity	10% to 90% non-condensing
Model	HP A5120-24G EI Switch (JG234A)
VLANs	4094

Summary

Gratuitous ARP configuration commands

gratuitous-arp-learning enable

Enables learning of gratuitous ARP packets.

gratuitous-arp-sending enable

Enables switch to send gratuitous ARP packets upon receiving requests.

IP addressing configuration commands

display ip interface

Displays IP configuration information for a Layer 3 interface.

ip address

Assigns an IP address and mask to an interface.

DHCP server configuration commands

dhcp enable

Enables the DHCP server.

dhcp server ip-pool

Creates a DHCP address pool and enters its view.

display dhcp server statistics

Displays the statistics of the DHCP server.

DHCP snooping configuration commands

dhcp-snooping

Enables DHCP snooping.

display dhcp-snooping trust

Displays information about trusted ports.

IPv4 DNS configuration commands

display dns server

Displays the IPv4 DNS server information.

dns server

Specifies a DNS server.

IP performance optimization configuration commands

display fib

Displays FIB entries.

display ip statistics

Displays statistics of IP packets.

IPv6 basics configuration commands

display ipv6 interface

Displays the IPv6 information of an interface.

ipv6 address

Configures an IPv6 global unicast address for an interface.

DHCPv6 configuration commands

display ipv6 dhcp pool

Displays DHCPv6 address pool information.

ipv6 dhcp server enable

Enables the DHCPv6 server.

DHCPv6 relay agent configuration commands

display ipv6 dhcp relay server-address

Displays information about DHCPv6 server addresses on the relay agent.

ipv6 dhcp relay server-address

Enables DHCPv6 relay agent and specifies a DHCPv6 server.

DHCPv6 client configuration commands

display ipv6 dhcp client

Displays DHCPv6 client information.

DHCPv6 snooping configuration commands

ipv6 dhcp snooping enable

Enables DHCPv6 snooping globally.

ipv6 dhcp snooping trust

Configures a DHCPv6 trusted port.