Software Features and Specifications
December 2005 © Foundry Networks, Inc. D - 9
RFC Support
The following table lists the RFCs supported by Foundry devices.
NOTE: Some devices support only a subset of the RFCs. For example, Layer 2 Switches do not support router-
specific RFCs. For a list of features supported on your device, see the data sheet or the software release notes for
the version of software running on your device.
Table D.5: Foundry RFC Support
RFC Number Protocol or Standard
FESX FSX FWSX
768 User Datagram Protocol (UDP) X X
783 Trivial File Transfer Protocol (TFTP) X X X
791 Internet Protocol (IP) X X
792 Internet Control Message Protocol (ICMP) X X
793 Transmission Control Protocol (TCP) X X
826 Ethernet Address Resolution Protocol (ARP) X X
854, 855, and
857
Telnet XXX
894 IP over Ethernet frames X X
903 Reverse ARP (RARP) X X
906 Bootstrap loading using TFTP X X
919 Broadcast Internet datagrams X
920 Domain requirements X
922 Broadcast Internet datagrams in the presence of subnets X
950 Internet standard subnetting procedure X
951 Bootstrap Protocol (BootP) X X X
1027 Proxy ARP X X
1042 IP datagrams over IEEE 802 networks (for Ethernet) X
1058 Route Information Protocol (RIP) version 1 X X
1075 Distance Vector Multicast Routing Protocol X
1112 Internet Gateway Management Protocol (IGMP) version 1 X X
1122 and 1123 Requirements for Internet hosts (routers) X X X
1141 Incremental updating of the Internet checksum X
1155 Structure and Identification of Management Information (SMI) X X X
1157 Simple Network Management Protocol (SNMP) version 1 X X X
1191 Path MTU Discovery X X
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