3Com Switch 7750 SeriesCommand Reference Guide – ACL Chapter 1 ACL Commands1-22Table 1-15 Rule informationParameter Type Function Descriptionformat-typeLink layerencapsulationtypeDefines the linklayerencapsulationtype in the ruleformat-type: the value can be802.3/802.2, 802.3, ether_ii,or snap.lsap lsap-codelsap-wildcard lsap field Defines the lsapfield in the rulelsap-code: the encapsulationformat of data frames, a16-bit hexadecimal numberlsap-wildcard: mask of thelsap value, a 16-bithexadecimal number used tospecify the mask bitsource{ source-addrsource-mask |vlan-id }*Source MACaddressinformationSpecifies thesource MACaddress rangein the rulesource-addr: source MACaddress, in the format ofH-H-Hsource- mask: source MACaddress mask, in the formatof H-H-Hvlan-id: source VLAN ID, inthe range of 1 to 4,094dest dest-addrdest-maskDestinationMAC addressinformationSpecifies thedestination MACaddress rangein the ruledest-addr: destination MACaddress, in the format ofH-H-Hdest- mask: destination MACaddress mask, in the formatof H-H-Hcos vlan-pri PriorityDefines the802.1p priorityof the rulevlan-pri: VLAN priority, in therange of 0 to 7time-rangetime-nameTime rangeinformationSpecifies thetime range inwhich the rule isactivetime-name: specifies thename of the time range inwhich the rule is active; astring of 1 to 32 characterstypeprotocol-typeprotocol-maskProtocol typeof EthernetframesDefines theprotocol type ofEthernet framesprotocol-type: protocol typeprotocol-mask: protocol typemaskNote:ARP packets are allowed to pass by default on the Switch 7750. You cannot use thepacket-filter command to filter ARP packets, even though you have used the rulecommand to define a Layer 2 ACL, in which the argument protocol is defined as ARP.