Example
An ACL rule with a TCP port range of 4000–8000 uses eight entries in the CAM.
Dell# 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
Example
An ACL rule with a TCP port lt 1023 uses only one entry in the CAM.
Dell# Data Mask From To #Covered
1 0000000000000000 1111110000000000 0 1023 1024
Total Ports: 1024
Related
Commands
ip access-list extended
— creates an extended ACL.
permit
— assigns a permit filter for IP packets.
permit udp
— assigns a permit filter for UDP packets.
seq arp
Configure an egress filter with a sequence number that filters ARP packets meeting this criteria. This
command is supported only on 12-port GE line cards with SFP optics. For specifications, refer to your line
card documentation.
Syntax
seq
sequence-number
{deny | permit} arp {
destination-mac-
address mac-address-mask
| any} vlan
vlan-id
{
ip-address
| any
| opcode code-
number
} [count [byte] [order] [log [interval
minutes
] [threshold-in-msgs[
count
]] [monitor]
To remove this filter, use the no seq
sequence-number
command.
Parameters
sequence-
number
Enter a number from 0 to 4294967290.
deny
Enter the keyword
deny
to drop all traffic meeting the filter
criteria..
permit
Enter the keyword
permit
to forward all traffic meeting the
filter criteria.
Access Control Lists (ACL)
257
