Link Layer ProtocolYou can use this command repeatedly to add new rules to a DE rule list. Each DE rulelist can contain up to 100 rules. The undo form of this command can delete only oneDE rule each time. To delete a DE rule list, you must delete all the DE rules in the list.For related commands, see fr de del, fr del protocol.Example# Add a rule to DE rule list 1, and sets the DE flag bit of all the Frame Relay packetstransmitted from the interface Serial 0 to 1.[3Com]fr del 1 inbound-interface serial 06.1.26 fr del protocolSyntaxfr del list-number protocol protocol [ characteristic ]undo fr del list-number protocol protocol [ characteristic ]ViewSystem viewParameterlist-number: DE rule list number, ranging from 1 to 16.protocol: Protocol name. By far, only IP is supported.characteristic: Rule matching parameters that are valid only when the protocol is IP.Refer to the following table for details.DescriptionUsing the fr del protocol command, you can configure a protocol-based DE rule list.Using the undo fr del protocol command, you can cancel the specified DE rule fromthe DE rule list.By default, no DE rule list is created.After this command is configured, the DE flag bit of the Frame Relay packets compliantwith the specified rules will be set to 1.You can use this command repeatedly to add new rules to a DE rule list. Each DE rulelist can contain up to 100 rules. The undo form of this command can delete only oneDE rule each time. To delete a DE rule list, you must delete all the DE rules in that list.Table 6-3 DE rule attribute options and their descriptionsOption DescriptionDo not configure theparameter characteristicAs for all the IP packets, the DE flag bit in the Frame Relay packet headers willbe set to 1.111
