Network Engineer – F.O.C.U.S Follow One Course Until Successful
Cisco NetFlow feature to capture statistics about network traffic flows that pass through a router. Although Cisco considers a series of packets a flow if they share, at a minimum, the same source and destination IP addresses, a flow s defined…
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Create a tunnel on both routers (config)#interface tunnel 0 (config-if)#ip address x.x.x.x x.x.x.x (config-if)#tunnel mode gre ip ( that is what enable the tunnel and is the default ) (config-if)#tunnel source ( the source IP address of the interface that is…
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ACLs can consist of multiple access list statements. Packets are compared to each statement in sequence until a match is found. The permit and deny keywords are used to indicate whether matching packets should be forwarded or dropped, respectively. If…
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When switches are configured to act as a VRRP group, they will work together to present the illusion of a single default gateway to the hosts on the LAN. In the event that the switch that is the Master VRRP…
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HSRP group ensured that switches will work together to present the illusion of a single default gateway to the hosts on the LAN. In the event that the active switch fails, the hosts in the LAN will remain unaware that a…
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Enable IPv6 routing Configure the routers to run CEF Configure the appropriate IPv6 addresses on the interfaces Verify the IPv6 configuration on the routers Verify that each router is able to ping its locally configured IPv6 addresses Verify that each…
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EIGRP Characteristics Advanced Distance Vector Protocol discover their neighbors using EIGRP Hello packets, form adjacency and exchange the routing databases reliably with their neighbors. Incremental Updates Hello packets are transmitted between neighbors to maintain the relationship VLSM Support Classless protocol which…
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Etherchannel Mode active Enable LACP unconditionally auto Enable Pagp only if a Pagp device is detected desirable Enable Pagp uncondiationnaly on Enable Etherchannel only passive Enable LACP only if…
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OSPF Basic Authentication r1(config)#interface fastethernet x/x r1(config-if)#ip ospf authentication r1(config-if)#ip ospf authentication-key itss r2(config)#interface fastethernet x/x r2(config-if)#ip ospf authentication r2(config-if)#ip ospf authentication-key itss OSPF Encrypted Authentication r1(config)#interface fastethernet x/x r1(config-if)#ip ospf authentication message-digest r1(config-if)#ip ospf message-digest-key 1 md5 itss r2(config)#interface fastethernet x/x r2(config-if)#ip…
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OSPF Relations Requirement For two routers configured with OSPF to form a neighbor relationship, they must have interfaces that are either directly connected or connected to a multiaccess network media such as Ethernet. In addition, the IP addresses and subnet…
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