CCNA 4 Chapter 3 SIC PPP, Routing, and Remote Access VPN – PT Skills Assessment
Read Chapter wise CCNA 4 Exam Answers (v5.1 + v6.0)
CCNA Routing and Switching Connecting Networks
Chapter 3 SIC: PPP, Routing, and Remote Access VPN
FORM 0
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Addressing Table
Note: All device console passwords are cisco. All device enable passwords are class.
Step 1 Configure HDLC on router Secure.
Configure the WAN link from router Secure to ISP_1 using HDLC encapsulation.
Step 2 Configure PPP to connect HQ to ISP_1.
Configure the WAN link from router HQ to ISP_1 using PPP encapsulation and CHAP authentication.
- Create a user ISP_1 with the password of cisco123.
Step 3 Configure eBGP routing.
a. Configure router HQ with eBGP routing.
- Configure HQ to peer with ISP_1.
- Add only HQ 10.1.1.0/24 internal network to BGP.
b. Configure router Branch with eBGP routing.
- Configure Branch to peer with ISP_1.
- Add the Branch internal network to BGP
Step 4 Configure GRE Tunneling.
a. Configure router HQ with a tunnel interface to send IP traffic over GRE to Branch.
- Configure Tunnel 1 with appropriate addressing information.
- Configure the tunnel source with the local exit interface.
- Configure the tunnel destination with the appropriate endpoint IP address.
b. Configure router Branch with a tunnel interface to send IP traffic over GRE to HQ.
- Configure Tunnel 1 with appropriate addressing information.
- Configure the tunnel source with the local exit interface.
- Configure the tunnel destination with the appropriate endpoint IP address.
Step 5 Configure OSPF Routing.
The Branch LAN must have connectivity to the HQ LAN. Configure OSPF across the GRE tunnel.
- Configure OSPF process 10 on the Branch router.
- Backup should advertise the LAN network via OSPF.
- Backup should be configured to form an adjacency HQ over the GRE tunnel.
- Disable OSPF updates on appropriate interface(s).
Step 6 Configure OSPF Routing.
The HQ LAN must have connectivity to the Branch LAN. Configure OSPF across the GRE tunnel.
- Configure OSPF process 10 on the HQ router.
- HQ should advertise both LAN networks via OSPF.
- HQ should be configured to form an adjacency with Branch over the GRE tunnel.
- Disable OSPF updates on appropriate interface(s).
Step 7 Connectivity.
- Verify full connectivity from Main_PC1 to the Web_Server in the Secure network.
- Verify full connectivity from Teleworker1 to Web_Server in the Secure network.
Answers:
Secure / Storage / OffSite Router
Secure#conf ter Secure(config)#int s0/0/0 Secure(config-if)#encapsulation hdlc
HQ / Corp / Main Router
Password:cisco HQ>en Password: class HQ#conf ter HQ(config)#username ISP_1 password cisco123 HQ(config)#int s0/0/0 HQ(config-if)#encapsulation ppp HQ(config-if)#ppp authentication chap HQ(config-if)# HQ(config-if)#exit HQ(config)#router bgp 65530 HQ(config-router)#network 10.1.1.0 mask 255.255.255.0 HQ(config-router)#neighbor 209.165.200.242 remote-as 65500 HQ(config-router)#exit HQ(config)#interface tunnel 1 HQ(config-if)#ip address 192.168.1.1 255.255.255.248 HQ(config-if)#tunnel source s0/0/0 HQ(config-if)#tunnel destination 209.165.201.17 HQ(config-if)#exit HQ(config)# HQ(config)#router ospf 10 HQ(config-router)#network 10.1.1.0 0.0.0.255 area 0 HQ(config-router)#network 10.1.2.0 0.0.0.255 area 0 HQ(config-router)#network 192.168.1.0 0.0.0.7 area 0 HQ(config-router)#passive-interface g0/1 HQ(config-router)#passive-interface g0/2 HQ(config-router)#
Branch / Remote / Backup
Password: cisco Branch>en Password: class Branch#conf ter Branch(config)#router bgp 65532 Branch(config-router)#network 10.2.1.0 mask 255.255.255.0 Branch(config-router)#neighbor 209.165.201.18 remote-as 65500 Branch(config-router)#exit Branch(config)#interface tunnel 1 Branch(config-if)#ip address 192.168.1.2 255.255.255.248 Branch(config-if)#tunnel source s0/0/1 Branch(config-if)#tunnel destination 209.165.200.241 Branch(config-if)#exit Branch(config)#router ospf 10 Branch(config-router)#network 10.2.1.0 0.0.0.255 area 0 Branch(config-router)#network 192.168.1.0 0.0.0.7 area 0 Branch(config-router)#passive-interface g0/1
Answers:
Secure / Storage / OffSite Router
Secure#conf ter Secure(config)#int s0/0/0 Secure(config-if)#encapsulation hdlc
HQ / Corp / Main Router
Password:cisco HQ>en Password: class HQ#conf ter HQ(config)#username ISP_1 password cisco123 HQ(config)#int s0/0/0 HQ(config-if)#encapsulation ppp HQ(config-if)#ppp authentication chap HQ(config-if)# HQ(config-if)#exit HQ(config)#router bgp 65530 HQ(config-router)#network 10.1.1.0 mask 255.255.255.0 HQ(config-router)#neighbor 209.165.200.242 remote-as 65500 HQ(config-router)#exit HQ(config)#interface tunnel 1 HQ(config-if)#ip address 192.168.1.1 255.255.255.248 HQ(config-if)#tunnel source s0/0/0 HQ(config-if)#tunnel destination 209.165.201.17 HQ(config-if)#exit HQ(config)# HQ(config)#router ospf 10 HQ(config-router)#network 10.1.1.0 0.0.0.255 area 0 HQ(config-router)#network 10.1.2.0 0.0.0.255 area 0 HQ(config-router)#network 192.168.1.0 0.0.0.7 area 0 HQ(config-router)#passive-interface g0/1 HQ(config-router)#passive-interface g0/2 HQ(config-router)#
Branch / Remote / Backup
Password: cisco Branch>en Password: class Branch#conf ter Branch(config)#router bgp 65532 Branch(config-router)#network 10.2.1.0 mask 255.255.255.0 Branch(config-router)#neighbor 209.165.201.18 remote-as 65500 Branch(config-router)#exit Branch(config)#interface tunnel 1 Branch(config-if)#ip address 192.168.1.2 255.255.255.248 Branch(config-if)#tunnel source s0/0/1 Branch(config-if)#tunnel destination 209.165.200.241 Branch(config-if)#exit Branch(config)#router ospf 10 Branch(config-router)#network 10.2.1.0 0.0.0.255 area 0 Branch(config-router)#network 192.168.1.0 0.0.0.7 area 0 Branch(config-router)#passive-interface g0/1
Answers:
Secure / Storage / OffSite Router
Secure#conf ter Secure(config)#int s0/0/0 Secure(config-if)#encapsulation hdlc
HQ / Corp / Main Router
Password:cisco HQ>en Password: class HQ#conf ter HQ(config)#username ISP_1 password cisco123 HQ(config)#int s0/0/0 HQ(config-if)#encapsulation ppp HQ(config-if)#ppp authentication chap HQ(config-if)# HQ(config-if)#exit HQ(config)#router bgp 65530 HQ(config-router)#network 10.1.1.0 mask 255.255.255.0 HQ(config-router)#neighbor 209.165.200.242 remote-as 65500 HQ(config-router)#exit HQ(config)#interface tunnel 1 HQ(config-if)#ip address 192.168.1.1 255.255.255.248 HQ(config-if)#tunnel source s0/0/0 HQ(config-if)#tunnel destination 209.165.201.17 HQ(config-if)#exit HQ(config)# HQ(config)#router ospf 10 HQ(config-router)#network 10.1.1.0 0.0.0.255 area 0 HQ(config-router)#network 10.1.2.0 0.0.0.255 area 0 HQ(config-router)#network 192.168.1.0 0.0.0.7 area 0 HQ(config-router)#passive-interface g0/1 HQ(config-router)#passive-interface g0/2 HQ(config-router)#
Branch / Remote / Backup
Password: cisco Branch>en Password: class Branch#conf ter Branch(config)#router bgp 65532 Branch(config-router)#network 10.2.1.0 mask 255.255.255.0 Branch(config-router)#neighbor 209.165.201.18 remote-as 65500 Branch(config-router)#exit Branch(config)#interface tunnel 1 Branch(config-if)#ip address 192.168.1.2 255.255.255.248 Branch(config-if)#tunnel source s0/0/1 Branch(config-if)#tunnel destination 209.165.200.241 Branch(config-if)#exit Branch(config)#router ospf 10 Branch(config-router)#network 10.2.1.0 0.0.0.255 area 0 Branch(config-router)#network 192.168.1.0 0.0.0.7 area 0 Branch(config-router)#passive-interface g0/1