1240 | Standards Compliance
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• Dell Force10 — PVST+
• SFF-8431 — SFP+ Direct Attach Cable (10GSFP+Cu)
• MTU — 9,252 bytes
RFC and I-D Compliance 
The following standards are supported by FTOS, and are grouped by related protocol. The columns 
showing support by platform indicate which version of FTOS first supports the standard. 
Note: Checkmarks () in the E-Series column indicate that FTOS support was added before FTOS 
version 7.5.1.
General Internet Protocols
FTOS support, per platform
RFC# Full Name S-Series C-Series
E-Series 
TeraScale
E-Series 
ExaScale
768  User Datagram Protocol 7.6.1 7.5.1  8.1.1
793 Transmission Control Protocol 7.6.1 7.5.1  8.1.1
854 Telnet Protocol Specification 7.6.1 7.5.1  8.1.1
959  File Transfer Protocol (FTP) 7.6.1 7.5.1  8.1.1
1321  The MD5 Message-Digest Algorithm 7.6.1 7.5.1  8.1.1
1350  The TFTP Protocol (Revision 2) 7.6.1 7.5.1  8.1.1
1661 The Point-to-Point Protocol (PPP) 
1989   PPP Link Quality Monitoring 
1990  The PPP Multilink Protocol (MP) 
1994  PPP Challenge Handshake Authentication Protocol 
(CHAP)
2474  Definition of the Differentiated Services Field (DS Field) 
in the IPv4 and IPv6 Headers
7.7.1 7.5.1  8.1.1
2615 PPP over SONET/SDH 
2615 PPP over SONET/SDH 
2698 A Two Rate Three Color Marker  8.1.1
3164 The BSD syslog Protocol 7.6.1 7.5.1  8.1.1
draft-ietf-bfd
-base-03 
Bidirectional Forwarding Detection 7.6.1  8.1.1