Owner's Manual

IronWare Software Release R04.2.00b for Brocade TurboIron 24X
Series Switches Release Notes v1.00 Page 14 of 22
Supported Layer 2 Features
This release supports the following Layer 2 features.
Supported Layer 2 Features
Category, Description, and Configuration Notes
Supported
on
TurboIron
802.1D Spanning Tree Support
• Enhanced IronSpan support includes Fast Port Span and Single-instance Span
• TurboIron switches support up to 510 spanning tree instances for VLANs.
Yes
802.1p Quality of Service (QoS)
• Strict Priority (SP)
• Weighted Round Robin (WRR)
• Combined SP and WRR
• 8 priority queues
Yes
802.1s Multiple Spanning Tree
Yes
802.1W Rapid Spanning Tree (RSTP)
• 802.1W RSTP support allows for sub-second convergence (both final standard
and draft 3 supported)
Yes
802.3ad link aggregation (dynamic trunk groups)
• Brocade ports enabled for link aggregation follow the same rules as ports
configured for trunk groups.
Yes
ACL-based rate limiting QoS
Yes
BPDU Guard
Yes
Dynamic Host Configuration Protocol (DHCP) Assist
Yes
IGMP v1/v2 Snooping Global
Yes
IGMP v3 Snooping Global
Yes
(*,G and
S,G)
IGMP v1/v2/v3 Snooping per VLAN
Yes
IGMP v2/v3 Fast Leave (membership tracking)
Yes
IGMP Filters
Yes
Interpacket Gap (IPG) adjustment
Yes
Jumbo frames
• 10/100/1000 and 10-Gigabit Ethernet ports
• Up to 9216 bytes
Yes
LACP
•
LACP trunk group ports follow the same configuration rules as for statically
Yes