Resequence Prefix-List Ipv4 - Dell Z9500 Reference Manual

range of ports is configured in the CAM based on bit mask boundaries; the space
required depends on exactly what ports are included in the range.
Example
An ACL rule with a TCP port range of 4000–8000 uses eight entries in the CAM.
Rule# Data
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
Example
An ACL rule with a TCP port lt 1023 uses only one entry in the CAM.
Rule# Data
1 0000000000000000 1111110000000000 0
Total Ports: 1024
Related
ip access-list extended
Commands
permit
permit tcp

resequence prefix-list ipv4

Re-assign sequence numbers to entries of an existing prefix list.
Z9500
Syntax
resequence prefix-list ipv4 {prefix-list-name StartingSeqNum
Step-to-increment}
Parameters
prefix-list-
name
StartingSeqNu
m
Step-to-
Increment
Defaults none
Command
•
Modes
Access Control Lists (ACL)
— creates an extended ACL.
— assigns a permit filter for IP packets.
— assigns a permit filter for TCP packets.
Enter the name of the configured prefix list, up to 140
characters long.
Enter the starting sequence number to resequence. The
range is from 0 to 65535.
Enter the step to increment the sequence number. The
range is from 1 to 65535.
EXEC
Mask From To
Mask From To
#Covered
#Covered
1023 1024
247