
2 Release Note
Software Version 2.9.1
C613-10486-00 REV C
DHCP Snooping Enhancements .......................................................................50
Adding Default Access Routers to Static Entries ........................................ 50
Filtering Broadcast and Multicast Packets .................................................. 51
Command Reference Updates .................................................................. 52
MAC-Forced Forwarding ..................................................................................54
IP Multicasting Enhancements ..........................................................................55
PIM Support on AT-8600 Series Switches .................................................. 55
Query Solicitation ..................................................................................... 55
Command Reference Updates .................................................................. 57
OSPF Enhancements ........................................................................................59
Neighbour Retransmission List Debugging ................................................ 59
Command Reference Updates .................................................................. 60
BGP Enhancements ..........................................................................................61
Improved BGP Route Selection ................................................................. 61
Improved BGP Backoff Show Command Output ....................................... 61
Command Reference Updates .................................................................. 62
IPv6 Enhancements ..........................................................................................63
Setting a Metric for RIPv6 ......................................................................... 63
Additional Show Command Filtering ........................................................ 63
Command Reference Updates .................................................................. 63
Firewall Enhancements .....................................................................................65
Using Automatic Client Management to Manage SIP Sessions .................. 65
Setting a Trigger for Automatic Client Management ................................. 67
Limiting Firewall Sessions from a Device .................................................... 68
Monitoring Firewall Sessions using SNMP ................................................. 69
Dynamic Renumbering of Firewall Rules ................................................... 70
Command Reference Updates .................................................................. 72
IP Security (IPsec) Enhancements ......................................................................87
Additional RFC and Draft Compliance for NAT-T ....................................... 87
Increase to Maximum Number of IPsec SA Bundles ................................... 87
Improved Debugging Options for IPsec and ISAKMP ................................. 88
Improved Output for IPsec and ISAKMP Counters ..................................... 88
Modified Expiry Timeout Limit for Security Associations ............................ 88
Command Reference Updates .................................................................. 89
Link Layer Discovery Protocol ...........................................................................93
Management Stacking Enhancements .............................................................94
Changes to Local Commands ................................................................... 94
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