VLAN Access Lists (VACLs) VACLs can filter traffic within a VLAN and do not require a routed interface. A VACL can match traffic from a MAC, IP, or IPX access list. VACL…
Category: CCNP
Routing and Switching
CCNP BCMSN Notes – Securing Switch Access
Port Security Port security can be used to restrict which or how many hosts connect to a switch port:
CCNP BCMSN Notes – IP Telephony
Power Over Ethernet (PoE) Two solutions exist to supply PoE: Cisco Inline Power (ILP) – Cisco proprietary solution developed before IEEE 802.3af IEEE 802.3af – Standard
CCNP BCMSN Notes – Router, Supervisor, and Power Redundancy
Hot Standby Router Protocol (HSRP) HSRP is Cisco proprietary, but defined in RFC 2281. HSRP routers multicast to the all-routers address 224.0.0.2 on UDP port 1985. HSRP group numbers (0 – 255)…
Frequently Asked Questions: CCNP Version 6.0
Q. How is the new Cisco CCNP® curriculum structured? A. The new CCNP v6.0 curriculum has three courses that fully align with the three new CCNP certification exams: CCNP Route, CCNP Switch,…
CCNP BCMSN Notes – Multilayer Switching
Interfaces on multilayer switch are designated as switch ports (layer 2) with switchport or routed ports (layer 3) with no switchport. Switched Virtual Interfaces (SVIs) can be defined to provide a routed…
CCNP BCMSN Notes – Advanced Spanning Tree Protocol
Rapid STP (RSTP) RSTP was developed to provide a faster converging alternative to STP, and is defined in IEEE 802.1w. Like STP, RSTP can be applied as a single instance or per…
CCNP BCMSN Notes – Protecting the Spanning Tree Protocol Topology
Root Guard If a switch with a lower bridge ID enters the network, it can preempt the current STP root. Root guard can be enabled on an interface to prevent it from…
CCNP BCMSN Notes – Spanning Tree Configuration
Root Bridge Configuration The root bridge should be positioned centrally in the network to ensure the spanning tree forms in a predictable manner. Two bridge ID formats are available: 802.1D Standard…