CCNA-200-301- aaa5GITTC-Unlocked

Extended ACL Configuration: Router1 SYNTAX: access-list <100 – 199> {permit | deny} PROTOCOL SOURCE DESTINATION eq PORT Ro ...

DHCP Snooping & Dynamic ARP Inspection As we know that DHCP server provides all the basic information to the clients i.e. IP ...

DHCP Snooping Configuration on Layer2 switch 5GITTC_2960>enable 5GITTC_2960#configure terminal Enter configuration commands, ...

5GITTC_2960(config)#interface fastethernet 0/1 5GITTC_2960(config-if)#ip dhcp snooping trust 5GITTC_2960(config-if)#exit 5GITTC_ ...

5GITTC_3650#configure terminal Enter configuration commands, one per line. End with CNTL/Z. 5GITTC_3650(config)#ip dhcp snooping ...

Dynamic ARP Inspection Dynamic Address Resolution Protocol (Dynamic ARP) inspection is a security feature that validates ARP pac ...

Configuring ARP Inspection on a Layer 2 Switch Before configuring DAI, you need to think about the feature and make a few decisi ...

5GITTC_2960> 5GITTC_2960> 5GITTC_2960>enable 5GITTC_2960#configure terminal Enter configuration commands, one per line. ...

NETWORK ADDRESS TRANSLATION Network address translation is a method of remapping one IP address space into another by modifying ...

Enables a company to use more internal IP addresses. Since they're used internally only, there's no possibility of conflict wit ...

Advantages of NAT  NAT conserves legally registered IP addresses.  It provides privacy as the device IP address, sending and r ...

Router Configuration: Router(config)# Router(config)#interface gigabit 0/? Router(config-if)#ip nat inside Router(config-if)#ip ...

PAT is similar to port forwarding except that an incoming packet with destination port (external port) is translated to a packet ...

Router(config)#i p nat inside source list 50 pool NAME overload Router(config)# ip nat pool NAME 200.153.189.62 200.153.189.62 n ...

 VLANs increase the number of broadcast domains while decreasing their size.  VLANs reduce security risks by reducing the numb ...

Switch(config-vlan)#name IT-Department Switch(config-vlan)#exit Switch(config)# ACCESS PORT This switch ports belongs to carry t ...

Switch(config)#exit Switch# TRUNK PORT A trunk port is a port that is assigned to carry traffic for all the VLANs that are acces ...

Layer 3 Trunking Switch#configure terminal Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#interface ...

Port aggregation protocol (PAgP) Port Aggregation Protocol (PAgP) is a Cisco proprietary protocol which is used for the automate ...

switchport trunk encapsulation dot1q switchport mode trunk channel-protocol pagp channel-group 2 mode desirable On Switch1, Show ...