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Viewing and Configuring ACLs 223
b Select the well-known name of the protocol from the Protocol Name
drop-down list.
If the protocol’s name is not listed, select Other to activate the
Protocol Number box, then type or select the number.
c Click OK.
d If you selected tcp or udp, go to step 7. Otherwise, go to step 9.
To match on all protocols, leave the value any.
The following table lists commonly used IP protocol numbers.
7 To specify the TCP or UDP source port:
a Click on the down arrow in the Source Port column.
b Select the comparison operator from the Operator drop-down list:
Less Than
Greater Than
Equal
IP Protocol
Number
Protocol
1 Internet Control Message Protocol (ICMP)
2 Internet Group Management Protocol (IGMP)
6 Transmission Control Protocol (TCP)
9 Any private interior gateway (used by Cisco for Internet Gateway
Routing Protocol)
17 User Datagram Protocol (UDP)
41 IPv6
46 Reservation Protocol (RSVP)
47 Generic Routing Encapsulation (GRE)
50 Encapsulation Security Payload for IPSec (IPSec-ESP)
51 Authentication Header for IPSec (IPSec-AH)
55 IP Mobility (Mobile IP)
88 Enhanced Interior Gateway Routing Protocol (EIGRP)
89 Open Shortest Path First (OSPF) protocol
103 Protocol Independent Multicast (PIM)
112 Virtual Router Redundancy Protocol (VRRP)
115 Layer Two Tunneling Protocol (L2TP)