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.

PIM — Matches the packet to Protocol Independent Multicast (PIM).

L2TP — Matches the packet to Internet Protocol (L2IP).

ISIS — Intermediate System - Intermediate System (ISIS). Distributes IP routing information throughout a single Autonomous System in IP networks

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.

Configuring Switch Information

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