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ICND2 – OSPF – Mark Lab
• Reset for lab 4
• Configure 2 loopback interfaces on both routers
– RTR1 – 10.X.X.2/32 and 10.X.X.3/32 (area X)
– RTR2 – 10.X.X.4/32 and 10.X.X.5/32 (area X+1)
• Place them in area ‘X’, and area X+1
• Summarize your area routes
– Area x range 10.x.x.2/31, area x+1 range …
• Ensure your RID is that of your loopback interface, if not
make the router choose that as its RID.
• Confirm the routes on your loopbacks are accessible by
pinging them from the core router.
• From your loopback interface ping 10.1.1.1 (tftp server)
• Reset for lab 6 at completion.
ICND2 – EIGRP – Mark Lab
• Reset for lab 8
• Create 2 loopback interfaces on each RTR:
– RTR-1 IPs:1.X.X.2 and 1.X.X.3
– RTR-2 IPs:1.X.X.4 and 1.X.X.5
• Summarize these networks to /31 summaries on the
Frame Relay Serial interface (hint – this is an interface
command)
• Verify these networks are seen on the core RTR.
• Do not send EIGRP out your Ethernets
• Why is the summary and the more explicit seen on the
core?
• Reset for 8 and go to lunch – 12:45 we start.
ICND2 – NAT+ - Mark Lab
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Reset for lab 10
Shutdown your Frame Relay interface on RTR-2
Shutdown the Fast E-net interface on RTR-2
Configure NAT on RTR-1 for traffic taking the Frame
Relay interface as follows:
– Pod Switch: Static NAT to 1.X.X.1 for Telnet, SSH ONLY
– All other traffic to use 1.X.X.2 – 1.X.X.3 (assume 100 clients)
• From RTR-2 ensure you can ping, trace, and telnet to
the Core router
• From the Core RTR ping and telnet to the switch
• What network/s should not be seen on the Core RTR?
• Let me know when you are done
• Reset for Lab 11
RTR-2
Conf t
Interface Fa 0/0
Shutdown
Interface serial 1/0
Shutdown
RTR-1
Interface serial 1/0 /and/ interface fast-ethernet 0/0
Ip nat inside
Interface serial 1/1
Ip nat outside
!
Ip nat inside source static tcp 192.168.11.10 23 1.1.1.1 23
Ip nat inside source static tcp 192.168.11.10 22 1.1.1.1 22
Ip nat inside source list 1 pool Mark
!
Ip nat pool Mark 1.1.1.2 1.1.1.3 netmask 255.255.255.0
!
Interface loopback 2
Ip address 1.1.1.5 255.255.255.0
!
Access-list 1 deny host 192.168.11.10
Access-list 1 permit 192.168.0.0 0.0.255.255
!
Router eigrp 100
No network 192.168.0.0 0.0.255.255
Network 192.168.1.201 0.0.0.0
Network 1.1.1.0 0.0.0.255
No auto-summary
ICND2 – Mark Lab – IPv4
• Configure both RTRs for OSPF
– Fast-E = Area X (pod number)
– Create 2 loopbacks per RTR and use 1.x.y.z addressing as long
as the 2 are contiguous. Place them in Area X+1.
– Area 0 is to the core
– Run authentication between your pod RTRs
– No authentication to the core
– Confirm routes are properly seen on the core
– Create an ACL that only allows trace route, ping, telnet, and TCP
ports 6000-6500 into your POD from the Core.
– From the Core confirm the ACL works: Can you access your
Switch from the Core?
– Change the serial between RTRs to PPP w/ CHAP
authentication using password “This_is_fun”