A
CCESS
C
ONTROL
L
ISTS
3-67
3. Permit all TCP packets from class C addresses 192.168.1.0 with the
TCP control code set to “SYN.”
Configuring a MAC ACL
Command Attributes
•
Action
– An ACL can contain all permit rules or all deny rules.
(Default: Permit rules)
•
Source/Destination MAC
– Use “Any” to include all possible
addresses, “Host” to indicate a specific MAC address, or “MAC” to
specify an address range with the Address and Bitmask fields.
(Options: Any, Host, MAC; Default: Any)
•
Source/Destination MAC Address
– Source or destination MAC
address.
•
Source/Destination MAC Bitmask
– Hexidecimal mask for source
or destination MAC address.
•
VID
– VLAN ID. (Range: 1-4095)
•
VID Mask
– VLAN bitmask. (Range: 1-4095)
•
Ethernet Type
– This option can only be used to filter Ethernet II
formatted packets. (Range: 600-fff hex.)
A detailed listing of Ethernet protocol types can be found in RFC
1060. A few of the more common types include 0800 (IP), 0806 (ARP),
8137 (IPX).
•
Ethernet Type Mask
– Protocol bitmask. (Range: 600-fff hex.)
Console(config-ext-acl)#permit 10.7.1.1 255.255.255.0 any
3-120
Console(config-ext-acl)#permit 192.168.1.0 255.255.255.0 any dport 80
Console(config-ext-acl)#permit 192.168.1.0 255.255.255.0 any tcp
control-code 2 2
Console(config-std-acl)#
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Страница 48: ...INITIAL CONFIGURATION 2 14 ...
Страница 159: ...PORT CONFIGURATION 3 111 Figure 3 48 Displaying Etherlike and RMON Statistics ...
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Страница 536: ...COMMAND LINE INTERFACE 4 291 ...
Страница 542: ...TROUBLESHOOTING B 2 ...
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