
Configuring IP Services
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IP Traffic Filters
A traffic filter enables the router to selectively relay or drop an inbound packet,
frame, or datagram based on standard protocol fields or user-defined fields. Traffic
filters apply to incoming traffic only.
For information about IP traffic filters, see Configuring Traffic Filters and
Protocol Prioritization.
RFC Compliance
Table 1-2 lists the Internet Requests for Comments (RFCs) with which the IP
router complies. This manual assumes you are familiar with these RFCs.
Table 1-2. IP Router RFC Support
RFC Specifies
768 User Datagram Protocol (UDP)
783 Trivial File Transfer Protocol (TFTP)
791 Internet Protocol (IP)
792 Internet Control Message Protocol (ICMP)
793 and 1323 Transmission Control Protocol
826 Address Resolution Protocol (ARP)
903 RARP server
904 EGP-2
950 Internet subnetting procedures
951 BootP
1009 Internet gateways
1027 Proxy ARP
1042 IP over IEEE 802.
x
networks
1058 and 1388 Routing Information Protocol (RIP)
1063 Maximum transmission unit (MTU) discovery option
1108 RIPSO
1112 Host extensions for IP multicasting
1157 Simple Network Management Protocol (SNMP)
(continued)
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