Dell Force10 TeraScale C Series, Reference Manual

Page: 229 / 1640

Access Control Lists (ACL) | 229
For example, an ACL rule with TCP port
range 4000 - 8000
uses 8 entries in the CAM:
But an ACL rule with TCP port lt 1023 takes only one entry in the CAM:
Related
Commands
deny udp
c e s
Configure a filter to drop UDP packets meeting the filter criteria.
Syntax deny udp { source mask | any | host ip-address } [ operator port [ port ]] { destination mask | any
| host ip-address } [ dscp ] [ operator port [ port ]] [ count [ byte ] | log ] [ order ] [ monitor ]
[ fragments ]
To remove this filter, you have two choices:
• Use the no seq sequence-number command syntax if you know the filter’s sequence number
or
• Use the no deny udp { source mask | any | host ip-address } { destination mask | any |
host ip-address } command.
Parameters
Rule# Data Mask From To #Covered
1 0000111110100000 1111111111100000 4000 4031 32
2 0000111111000000 1111111111000000 4032 4095 64
3 0001000000000000 1111100000000000 4096 6143 2048
4 0001100000000000 1111110000000000 6144 7167 1024
5 0001110000000000 1111111000000000 7168 7679 512
6 0001111000000000 1111111100000000 7680 7935 256
7 0001111100000000 1111111111000000 7936 7999 64
8 0001111101000000 1111111111111111 8000 8000 1
Total Ports: 4001
Rule# Data Mask From To #Covered
1 0000000000000000 1111110000000000 0 1023 1024
Total Ports: 1024
deny Assign a filter to deny IP traffic.
deny udp Assign a filter to deny UDP traffic.
source
Enter the IP address of the network or host from which the packets were sent.
mask
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.
any
Enter the keyword
any
to specify that all routes are subject to the filter.
host ip-address
Enter the keyword
host
followed by the IP address to specify a host IP address.
dscp
Enter this keyword to deny a packet based on DSCP value.
Range: 0-63