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The existing configs in this sim don't appear to be existing on the R10 or R20 routers.
Should they already be there or do we have to configure this?
TIA
Terry
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First step is to create int tunn 0 on both R10 and R20.
R10:
interface tunnel0
vrf forwarding CORP
ip address 10.100.100.1 255.255.255.0
tunnel source Ethernet0/1
no shut
R20:
interface tunnel0
vrf forwarding CORP
ip address 10.100.100.2 255.255.255.0
tunnel source Ethernet0/2
no shut
Now you can do first task fo extending VRF
Source and VRF are already added with above from config. You will need to add the destinations.
R10:
int tunn 0
tunnel destination 10.10.2.1
R20:
int tunn 0
tunnel destination 10.10.1.1
Vrf ping should work now
For task 2 just make sure you check existing crypto ipsec profiles. There is a difference in captialization between R10 and R20.
Task 3 results on walkthrough look good. Could also add show ip route vrf CORP just for verification.