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Additional safety precautions An RBridge RB1 which is VLAN-x forwarder listens to (common spanning tree) BPDUs, and reports the root bridge ID in RB1’s LSP, in the set of root bridges for VLAN x RB2 does not decapsulate a VLAN x packet from ingress RB1 unless RB2 has RB1’s LSP, and none of RB1’s root bridges (for VLAN x) are the same as the link onto which RB2 is forwarding Wait several Hello intervals, and synchronize LSP databases on your links, before encapsulating a packet off a link |