udp-helper broadcast-map
Use udp-helper broadcast-map to specify a multicast address for UDP helper to convert broadcast to multicast.
Use undo udp-helper broadcast-map to remove a multicast address.
Syntax
udp-helper broadcast-map multicast-address [ acl acl-number ]
undo udp-helper broadcast-map multicast-address
Default
No multicast address is specified for UDP helper.
Views
Interface view
Predefined user roles
network-admin
Parameters
multicast-address: Specifies the destination multicast address to which the destination broadcast address is converted.
acl acl-number: Specifies an ACL by its number in the range of 2000 to 3999 to filter incoming broadcast packets for UDP helper. Packets permitted by the ACL can be converted.
For a basic ACL, the value range is 2000 to 2999.
For an advanced ACL, the value range is 3000 to 3999.
Usage guidelines
Use this command on the interface that receives broadcast packets.
You can configure a maximum of 20 unicast and multicast addresses for UDP helper to convert broadcast packets.
Examples
# Configure UDP helper to convert received broadcast packets on VLAN-interface 100 to multicast packets destined for 225.0.0.1.
<Sysname> system-view [Sysname] interface vlan-interface 100 [Sysname-vlan-interface 100] udp-helper broadcast-map 225.0.0.1