7.1.2 Items checked when UDP is received
The following tables show the items to be checked when UDP are received by the Switch. Forwards UDP packets that satisfy all of the conditions listed in this section to the helper address.
Protocol header |
header field |
Check item |
---|---|---|
IP header |
Destination IPv4 address |
One of the following conditions must be satisfied:
|
Source IPv4 address |
The address is not a multicast address. |
|
TTL |
Greater than 1 |
|
IP option |
Do not include source route options |
|
UDP headers |
Destination port number |
Matches any of the port numbers specified as the forwarding target on the receiving interface. |