Configuring IP Information
Defining UDP Relay
Cisco Small Business 300 Series Managed Switch Administration Guide 184
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STEP 3 Click Apply. The ARP proxy is enabled, and the switch is updated.
Defining UDP Relay
The UDP Relay feature is only available when the switch is in Layer 3 mode.
Switches do not typically route IP broadcast packets between IP subnets.
However, if configured, the switch can relay specific UDP broadcast packets
received from its IPv4 interfaces to specific destination IP addresses.
To configure the relaying of UDP packets received from a specific IPv4 interface
with a specific destination UDP port, add a UDP Relay:
STEP 1 Click IP Configuration > UDP Relay. The UDP Relay Page opens.
STEP 2 Click Add. The Add UDP Relay Page opens.
STEP 3 Select the Source IP Interface to where the switch is to relay UDP broadcast
packets based on a configured UDP Destination Port. The interface must be one of
the IPv4 interfaces configured on the switch.
STEP 4 Enter the UDP Destination Port number for the packets that the switch is to relay.
The range is from 1-65535.
STEP 5 Enter the Destination IP Address that receives the UDP packet relays. If this field
is 0.0.0.0, UDP packets are discarded. If this field is 255.255.255.255, UDP packets
are flooded to all IP interfaces.
STEP 6 Click Apply. The UDP relay settings are defined, and the switch is updated.
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