
IPv4 Access Control Lists (ACLs)
Configuring Extended ACLs
[ precedence < 0 - 7 | precedence-name >]
This option causes the ACE to match packets with the
specified IP precedence value. Values can be entered as the
following IP precedence numbers or alphanumeric names:
0 or routine
1 “ priority
2 “ immediate
3 “ flash
4 “ flash-override
5 “ critical
6 “ internet (for internetwork control)
7 “ network (for network control)
Note: The precedence criteria described in this section are
applied in addition to
any other selection criteria config-
ured in the same ACE.
[ tos ]
This option can be used after the DA to cause the ACE to
match packets with the specified Type-of-Service (ToS) set-
ting. ToS values can be entered as the following numeric
settings or, in the case of 0, 2, 4, and 8, as alphanumeric
names:
0 or normal
2 “ max-reliability
4 “ max-throughput
6
8 “ minimize-delay
10
12
14
Note: The ToS criteria in this section are applied in addi-
tion to any other criteria configured in the same ACE.
[log]
Optional; generates an Event Log message if:
• The action is deny. (This option is not configurable for
Permit.)
• There is a match.
• ACL logging is enabled on the switch. (Refer to
“Enabling ACL Logging on the Switch” on page 9-98)
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