Configurations: R2object-group network RFC191810.0.0.0 255.0.0.0172.16.0.0 255.240.0.0192.168.0.0 255.255.0.0ip access-list extended BLOCK-RFC1918deny ip any object-group RFC1918permit ip 128.0.0.0 0.0.0.3 anypermit ip 128.0.0.4 0.0.0.3 anypermit ip 129.0.0.0 0.0.0.3 anypermit ip 129.0.0.4 0.0.0.3 anyint…
Hold a map called Mac-Adress Table.Unlike HUB, switch forward its frame to a specific destination only.How does the switch works?Initially, switches broadcast an ARP request to acquire the MAC address…
Send probe out to the network to measure network performanceCan influence routing decisions base on delay. Measure Network Performance Verify first:Perform a traceroute in R5 going to host 50.0.0.100 and…
HSRP is a protocol in a redundant network design. If the main router fails, the backup router will step up at taking charge of routing decisions until the main router…
Vpn Multipoint Sample Configuration #R1 (HUB Router)#Phase 1crypto isakmp policy 100hash md5authentication pre-sharegroup 1encryption aeslifetime 86400!exit!crypto isakmp key 6 KEY address 26.0.0.2crypto isakmp key 6 KEY address 27.0.0.2crypto isakmp key…
Policy Based Routing 1.) Override the instruction of the routing table using PBR2.) Specific traffic to be routed differently from the routing table, maybe for security reasons, performance reasons or some…
Multiprotocol Label Switching (MPLS) is a routing technique in telecommunications networks that directs data from one node to the next based on short path labels rather than long network addresses,…
Border Gateway Protocol (BGP) is a standardized exterior gateway protocol designed to exchange routing and reachability information among autonomous systems (AS) on the Internet. Troubleshooting Guide Neighbor formation The neighbor…
Open Shortest Path First (OSPF) is a routing protocol for Internet Protocol (IP) networks. It uses a link-state routing (LSR) algorithm and falls into the group of interior gateway protocols…
Enhanced Interior Gateway Routing Protocol (EIGRP) is an advanced distance-vector routing protocol that is used on a computer network for automating routing decisions and configuration. The protocol was designed by…