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Configuring Switching
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SonicOS 5.7: Advanced Switching Feature Guide and Screencast Tutorial
allows faster spanning tree convergence after a topology change, typically within 3 times the Hello interval,
a total of 6 seconds in the default configuration. The original STP can take 30 to 50 seconds for convergence
after a topology change.
SonicWALL’s RSTP implementation conforms to the IEEE 802.1D-2004 specification. The 802.1D
specification is VLAN unaware and creates a common spanning tree (CST) that is applied to all VLANs
present in the network. The RSTP implementation is backward compatible with the original 802.1D
standard (STP).
The Switching > Rapid Spanning Tree page, shown in Figure 8, displays the root bridge ID and other
information about the root bridge. It also provides a way to configure bridge settings and port settings for
the SonicWALL NSA 2400MX.
See the following sections for bridge and port settings configuration information:
• “Configuring Bridge Settings” on page 17
• “Configuring Port Settings” on page 17
Figure 8 Switching > Rapid Spanning Tree Page