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Configuring Switch Information 279
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IPIP
— IP over IP (IPIP). Encapsulates IP packets to create tunnels between two routers.
This ensure that IPIP tunnel appears as a single interface, rather than several separate interfaces.
IPIP enables tunnel intranets occur the internet, and provides an alternative to source routing.
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PIM
— Matches the packet to Protocol Independent Multicast (PIM).
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L2TP
— Matches the packet to Internet Protocol (L2IP).
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ISIS
— Intermediate System - Intermediate System (ISIS). Distributes IP routing information
throughout a single Autonomous System in IP networks
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Protocol ID To Match
— Adds user-defined protocols by which packets are matched to the ACE.
Each protocol has a specific protocol number which is unique. The possible field range is 0-255.
–
Any
— Matches the protocol to any protocol.
•
Source Port
— The TCP/UDP source port. Select
Any
to include all ports.
•
Destination Port
— The TCP/UDP destination port. Select
Any
to include all ports.
•
Source IP Address
— Matches the source port IP address to which packets are addressed to the ACE.
Wildcard masks specify which bits are used and which bits are ignored. A wildcard of 0.0.0.0 indicates
that all the bits are important.
•
Destination IP Address
— Matches the destination port IP address to which packets are addressed to
the ACE. Wildcard masks specify which bits are used and which bits are ignored. A wildcard of 0.0.0.0
indicates that all the bits are important.
•
TCP Flags
— Sets the indicated TCP flag that can be triggered. To use TCP flags, check the
TCP Flag
checkbox and then set the desired flag(s).
•
ICMP
— Specifies an ICMP message type for filtering ICMP packets. You can choose from the list,
type it in, or select
Any
for all ICMP message types. This field is available only when ICMP is selected
in the
Protocol
field.
•
ICMP Code
— Specifies an ICMP message code for filtering ICMP packets that are filtered by ICMP
message type or ICMP message code. This field is available only when ICMP is selected in the
Protocol
field.
•
IGMP
— IGMP packets can be filtered by IGMP message type. You can choose from the list, type it
in, or select
Any
for all IGMP message types. This field is available only when IGMP is selected in the
Protocol
field.
•
Classification Mach DSCP
— Matches the packet DSCP value to the ACL. Either the DSCP value or
the IP Precedence value is used to match packets to ACLs. The possible field range is 0-63.