- (a) Layer 2; (b) Layer 3.
- Distance-vector and link-state protocols
- (a) routed and Quagga OSPF; (b) FRR and Quagga OSPF.
- (a) 15; (b) 15.
- No; if one is installed, pfSense will automatically uninstall the other one if it is already installed.
- STP (Spanning Tree Protocol) and RSTP (Rapid Spanning Tree Protocol).
- A firewall rule must be created allowing DHCP traffic on the bridged interface.
- Looping.
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