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Layer 2 hitless OS upgrade
Platform Support: B08S and B16S chassis devices running software release
05.0.00 and later - L2, BL3, L3
Layer 2 Hitless OS upgrade enables an upgrade of the operating system on a
switch that has redundant management modules, to software release 05.0.00 or
higher, without interrupting switched traffic for the following Layer 2 features and
protocols:
84
Ethernet Switch s-series Installation and User Guide
Table 26. Information regarding Layer 2 hitless OS upgrades
802.1p/q
802.1s MSTP
802.3ad - LACP
ACL accounting
ACL-based mirroring
All ports and links remain operational
BPDU Guard
Broadcast suppression (to uplink port only)
Dual-mode VLAN
Dynamic buffer allocation
Fast port span
IGMP (v1, v2, v3)
IGMP proxy
IGMP v1/v2/v3 snooping
IPv4 ACLs
L2 switching
L2 traffic non-jumbo and jumbo forwarding
Link Fault signaling (LFS) 10G
Mac filters
MAC learning disable
Management VLAN
MLD v1/v2 snooping
MRP
PIM v1/v2 snooping
POE
Port-based VLANs
Port flap dampening (including with UDLD)
Port mirroring
Port security
Private VLANs
Protocol VLANs
PVST, PVRST
Rapid spanning tree
Rate limiting
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