Software Features and Specifications
December 2005 © Foundry Networks, Inc. D - 7
Unsupported Features
Table D.3 lists the features that are not supported on the FSX, FESX, and FWSX. If required, these features are
available on other Foundry devices.
Table D.3: List of Unsupported Features
System Level Features not Supported
Not Supported on
FSX FESX FWSX
ACL logging
• The FSX supports ACL logging for packets that are sent to the CPU
for processing.
XX
ACL statistics X X X
Broadcast and multicast filters X X X
Jumbo frames (on all models except FES12GCF) X
NetFlow X X X
Outbound ACLs X X X
Outbound rate limiting X X X
Protected link groups X X X
Server trunk groups for Layer 3 traffic
• Server trunking of switched AppleTalk traffic also not supported
XXX
Layer 2 Features not Supported
SuperSpan X X X
VLAN-based priority X X X
Layer 3 Features not Supported
AppleTalk X X X
Base Layer 3 features X
BGP X
Foundry Standby Router Protocol (FSRP) X X X
IPX XXX
IS-IS XXX
Multiprotocol Border Gateway Protocol (MBGP) X X X
Multiprotocol Label Switching (MPLS) X X X
Multiprotocol Source Discovery Protocol (MSDP) X X X
Network Address Translation (NAT) X X X
Policy-Based Routing (PBR) X X X