Some Questions for MTCNA Exam

 

Internet Access from router & PC(VPCS) into GNS3

Our Target:

We want to access internet into PC

 

 

R1

[To Configure WAN side] R1(config)# interface FastEthernet0/0 R1(config)# ip  address dhcp R1(config)# no shutdown [To resolve domain name] R1(config)# ip domain-lookup   [To check internet connectivity] R1(config)# do ping google.com [To Configure LAN side] R1(config)# interface FastEthernet1/0 R1(config)#  ip address 10.1.1.1   255.0.0.0 R1(config)# no shutdown [To save the configuration file]  R1(config)# do wr

 

R2

[To Configure WAN side] R2(config)# interface FastEthernet0/0 R2(config)#  ip address 10.1.1.3 255.0.0.0 R2(config)#  no shutdown   [To Configure LAN side] R2(config)# interface FastEthernet1/0 R2(config)# ip address 192.168.1.1 255.255.255.0 R2(config)#  no shutdown   [To set DNS server IP] R2(config)# ip name-server 8.8.8.8 [To resolve domain name] R2(config)# ip domain-lookup   [To set a route. Here we are configuring default static route] R2(config)# ip route 0.0.0.0 0.0.0.0 10.1.1.1   [To check internet connectivity] R2(config)# do ping google.com [To configure NAT process, so that our private IP is abled to go to the internet] R2(config)# interface FastEthernet0/0 R2(config)#  ip nat  outside   R2(config)# interface FastEthernet1/0 R2(config)#  ip nat  inside   R2(config)#ip nat  inside  source  list 1  interface FastEthernet 0/0  overload [Here, we are giving permission only LAN-Network-192.168.1.0] R2(config)#access-list 1 permit 192.168.1.0  0.0.0.255 [To save the configuration file]  R2(config)# do wr

 

PC

[To set IP Address, Subnet Mask & Gateway] PC2> ip  192.168.1.2/24  192.168.1.1 [To set DNS IP]  PC2> ip dns  8.8.8.8   [To save the configuration file]  PC2> save [To Check Internet Connectivity] PC2> ping google.com   Final Output: