I am building a lab environment for CCNA training, using GNS3. The GNS3 network is connected to a [real network](http://www.gns3.net/gns3-connecting-real-networks/), let's call it **LAN 1**. 

**LAN 1** is not connected to the internet and is completely wired Ethernet. A single instance of GNS3 runs on a Windows 7 Enterprise host. The same host also runs a VMWare Ubuntu 10.0.04 guest. R1 is connected to the Microsoft Loopback adapter (C1), and R2 is connected to the normal Ethernet adapter (C3) as shown in the topology below. `ipconfig` shows that the Windows 7 host (running GNS3) has IP `10.10.10.167`. An `nmap` scan from this same host, with target set to its default gateway of `10.10.10.252` says that we have a Cisco router (but I don't have physical access to know what model it is). 

![enter image description here](https://i.stack.imgur.com/dwDcD.png)

`ipconfig` output. 

```
Ethernet adapter MS-loopback-adapter:

   Connection-specific DNS Suffix  . : 
   Link-local IPv6 Address . . . . . : fe80::78cf:e504:8742:e683%19
   Autoconfiguration IPv4 Address. . : 169.254.230.131
   Subnet Mask . . . . . . . . . . . : 255.255.0.0
   Default Gateway . . . . . . . . . : 

Ethernet adapter Local Area Connection:

   Connection-specific DNS Suffix  . : 
   Link-local IPv6 Address . . . . . : fe80::f0b4:a6be:31b:924%12
   IPv4 Address. . . . . . . . . . . : 10.10.10.167
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 10.10.10.252

Ethernet adapter VMware Network Adapter VMnet1:

   Connection-specific DNS Suffix  . : 
   Link-local IPv6 Address . . . . . : fe80::2997:a8ce:7df5:b968%16
   IPv4 Address. . . . . . . . . . . : 192.168.129.1
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 

Ethernet adapter VMware Network Adapter VMnet8:

   Connection-specific DNS Suffix  . : 
   Link-local IPv6 Address . . . . . : fe80::68ea:2034:c05f:b3f2%17
   IPv4 Address. . . . . . . . . . . : 192.168.14.1
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 

```

**[configuration](http://www.cisco.com/en/US/docs/switches/wan/mgx/mgx_8850/software/mgx_r3/rpm/rpm_r1.1/configuration/guide/appc.html):**

```
!
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
!

```

**R1.cfg**

```
!
interface FastEthernet0/0
 ip address 10.10.10.170 255.255.255.0
 speed 100
 full-duplex
!

```

**R2.cfg**

```
!
interface FastEthernet0/0
 ip address 10.10.10.160 255.255.255.0
 speed 100
 full-duplex
!

```

The problem is that neither R1 nor R2 can `ping` the Windows 7 host (running GNS3) `10.10.10.167` as shown for R2 below (the console of R1 and R2 are basically the same).

```
R2(config)#ip address 10.10.10.160 255.255.255.0
R2(config)#no shutdown
R2(config)#ip route 0.0.0.0 0.0.0.0 10.10.10.252

R2#show ip route

Gateway of last resort is 10.10.10.252 to network 0.0.0.0

     10.0.0.0/24 is subnetted, 1 subnets
C       10.10.10.0 is directly connected, FastEthernet0/0
S*   0.0.0.0/0 [1/0] via 10.10.10.252
R2#ping  169.254.230.131

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 169.254.230.131, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
R2#ping 10.10.10.167

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.10.10.167, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)

```

I've set the Gateway of last resort to `10.10.10.252` which is the actual default gateway for the real LAN which my GNS3 host is on. Still for both R1 and R2, the `ping` on `10.10.10.167` (the regular ethernet adapter of the GNS3 host) and the loopback adapter `169.254.230.131` has no success. Why can't R1 and R2 see my real LAN? What am I missing here?

I actually have run into lots questions so far and (assuming this is not off-topic) plan to create a series of posts after this.