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CCNP BSCI Notes – OSPF Network Topologies
Tuesday, March 30th, 2010OSPF Network Topology Options OSPF assumes a subnet is broadcast-capable by default. OSPF Network Types Broadcast multiaccess Point-to-point Point-to-multipoint broadcast Point-to-multipoint nonbroadcast Nonbroadcast multiaccess (NBMA) Sorry you have no rights to view this post! [This content is only available for our VIP member].
CCNP BSCI Notes – Understanding Simple Single-Area OSPF
Thursday, November 19th, 2009OSPF Fundamentals Link-state routing protocols utilize more internal resources in favor of reducing bandwidth consumption. All OSPF routers in an area share the same Link State Database (LSDB). Link State Advertisements (LSAs) are flooded to all neighboring routers. OSPF tables: Sorry you have no rights to view this post! [This content is only available for [...]
CCNP BSCI Notes – Scalable EIGRP
Thursday, November 19th, 2009Configuring EIGRP Enabling EIGRP: Sorry you have no rights to view this post! [This content is only available for our VIP member].
CCNP BSCI Notes – EIGRP Principles
Thursday, November 12th, 2009Supports routed protocols like IP and IPv6 via protocol-dependent modules Uses Reliable Transport Protocol (RTP, Cisco proprietary) for some traffic (updates, queries, and replies) Uses hellos to identify/monitor neighbors Uses the Diffusing Update Algorithm (DUAL) to select routes Sorry you have no rights to view this post! [This content is only available for our VIP [...]
CCNP BSCI Notes – Network Design
Thursday, November 12th, 2009Full mesh formula: n(n-1)/2 Example: To create a mesh between 8 nodes, 8 * (8-1) / 2 = 28; 28 links are needed. Design concepts Legacy Hierarchical Design Model Sorry you have no rights to view this post! [This content is only available for our VIP member].
CCNP BCMSN Notes – Cisco Unified Wireless Network
Tuesday, November 10th, 2009Autonomous APs can be burdensome to manage in large numbers; a lightweight solution is preferred. Lightweight Access Points (LAPs) communicate with a centralized Wireless LAN Controller (WLC) through Lightweight Wireless Access Point Protocol (LWAPP) tunnels. The division of layer two functions between a LAP and WLC is referred to as a split-MAC architecture. LWAPP tunnels: [...]
CCNP BCMSN Notes – Wireless Architecture and Design
Tuesday, November 10th, 2009Legacy Authentication Types Open Authentication No authentication is used; any client can associate to an AP. Pre-Shared Key (PSK) A pre-shared static Wired Equivalence Protocol (WEP) key authenticates the client to the AP. Sorry you have no rights to view this post! [This content is only available for our VIP member].
CCNP BCMSN Notes – Wireless LAN Overview
Monday, November 9th, 2009Frame Transmission Carrier Sense Multiple Access/Collision Avoidance (CSMA/CA) is used in 802.11 WLANs to avoid collisions. The Distributed Coordination Function (DCF) handles the transmission of frames. If one station is currently transmitting, a station wishing to transmit must wait for the current station to finish plus the length of the DCF Inter-frame Space (DIFS) and [...]
CCNP BCMSN Notes – Securing with VLANs
Monday, November 9th, 2009VLAN 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 configuration: Sorry you have no rights to view this post! [This content is only available for our VIP member].