3com 4500 PWR 50-PORT User Manual

C

HAPTER

 8: U

SING

 Q

O

S/ACL C

OMMANDS

 

Corresponding ACL View

 Specifies the subitems of an ACL, ranging from 0 to 65534.

 Permits packets that meet the requirements.

 Denies packets that meet the requirements.

 

 

: 

 represents 

the source IP address and the wildcard digit represented in dotted decimal 
notation. 

 represents all source addresses.

: Means this rule is only effective fragment packets and is ignored for 

non-fragment packets. 

: Specifies the protocol type which is represented by a name or a 

number. When it is a name, this parameter can be adopted like: icmp, igmp, tcp, 
udp, ip, gre, ospf, ipinip, etc. If the adopted value is IP, that means all the Internet 
Protocols. When it is a number: it ranges from 1 to 225.

source { source-addr wildcard | any }

: 

means the 

source IP address and the wildcard digit represented in dotted decimal notation. 

 means all source addresses. 

 

 dest-addr wildcard | any }

: 

 means the 

destination IP address and the wildcard digit represented in dotted decimal 
notation. 

 means all destination addresses. 

: Source port number of TCP or UDP used 

by the packet. 

 is port operator, including eq (equal), gt (greater than), lt 

(less than),neq (not-equal), range (within this range). Note that this parameter is 
only available when the parameter protocol is TCP or UDP. port1 [port2]: Source 
port number of TCP or UDP used by the packet, notated by a character or a 
number which ranges from 0 to 65535 inclusive. For the value of the character, 
please refer to mnemonic symbol table. The two parameters port1 and port2 
appear at the same time only when the operator is “range”, but other operators 
need “port1” only.

]: Destination port number of TCP or 

UDP used by packets. For detailed description, please refer to 

.

: Appears when protocol is icmp. 

 specifies an 

ICMP packet. 

 represents the type of ICMP packet, notated by a character or