Black Box LGB6026A, Management Manual

Page: 1083 / 1289

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C
HAPTER
46 | IP Interface Commands
IPv4 Interface
E
XAMPLE
This example displays all entries in the ARP cache.
Console#show arp
Arp cache timeout: 1200 (seconds)
IP Address MAC Address Type Interface
--------------- ----------------- --------- -----------
10.1.0.0 ff-ff-ff-ff-ff-ff other VLAN 1
10.1.0.254 00-00-ab-cd-00-00 other VLAN 1
10.1.0.255 ff-ff-ff-ff-ff-ff other VLAN 1
123.20.10.123 02-10-20-30-40-50 static VLAN 2
345.30.20.23 09-50-40-30-20-10 dynamic VLAN 3
Total entry : 5
Console#
UDP H
ELPER
C
ONFIGURATION
User Datagram Protocol (UDP) Helper allows host applications to forward
UDP broadcast packets from this switch to another part of the network.
This section describes the commands used to configure UDP Helper.
Table 148: UDP Helper Commands
Command Function Mode
ip forward-protocol udp Specifies the UDP destination ports for which GC
broadcast traffic will be forwarded
ip helper Enables UDP helper globally on the switch GC
ip helper-address Specifies the servers to which designated UDP protocol IC
packets are forwarded
show ip helper Displays configuration settings for UDP helper PE
ip forward-protocol
udp
This command specifies the UDP destination ports for which broadcast
traffic will be forwarded when the UDP helper is enabled. Use the
no form
to remove a UDP port from the forwarding list.
S
YNTAX
[ no ] ip forward-protocol udp destination - port
destination - port - UDP application port for which UDP service
requests are forwarded. (Range: 1-65535)
D
EFAULT
S
ETTING
The following UDP ports are inlcuded in the forwarding list when UDP
helper is enabled with the
ip helper command, and a remote server
address is configured with the ip helper-address command:
BOOTP client port 67
BOOTP server port 68
Domain Name Service port 53
IEN-116 Name Service port 42