Access Control
IPv4-based ACLs
589 Cisco 500 Series Stackable Managed Switch Administration Guide
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EIGRP
—Enhanced Interior Gateway Routing Protocol
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OSPF
—Open Shortest Path First
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IPIP
—IP in IP
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PIM
—Protocol Independent Multicast
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L2TP
—Layer 2 Tunneling Protocol
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ISIS
—IGP-specific protocol
- Protocol ID to Match—Instead of selecting the name, enter the protocol
ID.
• Source IP Address—Select Any if all source address are acceptable or
User defined to enter a source address or range of source addresses.
• Source IP Address Value—Enter the IP address to which the source IP
address is to be matched.
• Source IP Wildcard Mask—Enter the mask to define a range of IP
addresses. Note that this mask is different than in other uses, such as subnet
mask. Here, setting a bit as 1 indicates don't care and 0 indicates to mask that
value.
NOTE Given a mask of 0000 0000 0000 0000 0000 0000 1111 1111 (which
means that you match on the bits where there is 0 and don't match on the bits
where there are 1's). You need to translate the 1's to a decimal integer and you
write 0 for each four zeros. In this example since 1111 1111 = 255, the mask
would be written: as 0.0.0.255.
• Destination IP Address—Select Any if all destination address are
acceptable or User defined to enter a destination address or range of
destination addresses.
• Destination IP Address Value—Enter the IP address to which the
destination IP address is to be matched.
• Destination IP Wildcard Mask—Enter the mask to define a range of IP
addresses.
• Source Port—Select one of the following:
- Any—Match to all source ports.
- Single from list—Select a single TCP/UDP source port to which packets
are matched. This field is active only if 800/6-TCP or 800/17-UDP is
selected in the Select from List drop-down menu.
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