Dell C1048P Port Extender Networking Command-Line Reference Guide for the C900 - Page 249

Parameters source mask any host ip-address dscp bit operator port port destination mask count bytes order fragments log Enter the IP address of the network or host from which the packets are sent. Enter a network mask in /prefix format (/x) or A.B.C.D. The mask, when specified in A.B.C.D format, may be either contiguous or non-contiguous. Enter the keyword any to specify that all routes are subject to the filter. Enter the keyword host then the IP address to specify a host IP address. Enter this keyword dscp to deny a packet based on the DSCP value. The range is from 0 to 63. Enter a flag or combination of bits: • ack: acknowledgement field • fin: finish (no more data from the user) • psh: push function • rst: reset the connection • syn: synchronize sequence numbers • urg: urgent field (OPTIONAL) Enter one of the following logical operand: • eq = equal to • neq = not equal to • gt = greater than • lt = less than • range = inclusive range of ports (you must specify two ports for the port command) Enter the application layer port number. Enter two port numbers if using the range logical operand. The range is from 0 to 65535. The following list includes some common TCP port numbers: • 23 = Telnet • 20 and 21 = FTP • 25 = SMTP • 169 = SNMP Enter the IP address of the network or host to which the packets are sent. Enter a network mask in /prefix format (/x) or A.B.C.D. The mask, when specified in A.B.C.D format, may be either contiguous or non-contiguous. (OPTIONAL) Enter the keyword count to count packets the filter processes. (OPTIONAL) Enter the keyword byte to count bytes the filter processes. (OPTIONAL) Enter the keyword order to specify the QoS priority for the ACL entry. The range is from 0 to 254 (where 0 is the highest priority and 254 is the lowest; lower-order numbers have a higher priority) If you did not use the keyword order, the ACLs have the lowest order by default (255). Enter the keyword fragments to use ACLs to control packet fragments. (OPTIONAL) Enter the keyword log to include ACL matches in the log. Access Control Lists (ACL) 249