3Com 3CRWX440095A, 3CRWX120695A manual „ ip „ tcp „ udp „ icmp

386CHAPTER 12: SECURITY ACL COMMANDS

„0 or 3—Best effort. Packets are queued in MAP forwarding queue 3.

„4 or 5—Video. Packets are queued in MAP forwarding queue 2.

Use CoS level 4 or 5 for voice over IP (VoIP) packets other than SpectraLink Voice Priority (SVP).

„6 or 7—Voice. Packets are queued in MAP forwarding queue 1.

In MSS Version 3.0, use 6 or 7 only for VoIP phones that use SVP, not for other types of traffic.

„deny — Blocks traffic that matches the conditions in the ACE.

„protocol — IP protocol by which to filter packets:

„ip

„tcp

„udp

„icmp

„A protocol number between 0 and 255.

(For a complete list of IP protocol names and numbers, see www.iana.org/assignments/protocol-numbers.)

„source-ip-addr mask — IP address and wildcard mask of the network or host from which the packet is being sent. Specify both address and mask in dotted decimal notation. For more information, see “Wildcard Masks” on page 24.

„operator port [port2] — Operand and port number(s) for matching TCP or UDP packets to the number of the source or destination port on source-ip-addr or destination-ip-addr. Specify one of the following operands and the associated port:

„eq — Packets are filtered for only port number.

„gt — Packets are filtered for all ports that are greater than port number.

„lt — Packets are filtered for all ports that are less than port number.

„neq — Packets are filtered for all ports except port number.

„range — Packets are filtered for ports in the range between port and port2. To specify a port range, enter two port numbers. Enter the lower port number first, followed by the higher port number.