Advanced IP Scanner

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1. Plan / addressing

  • Network: 192.168.202.0/24 (all devices in same L2)

  • Router R1 f0/0 = 192.168.202.1 /24 (default gateway for the network)

  • Switch (management SVI) VLAN 1 = 192.168.202.20 /24 (for switch management only)

  • Cloud (host side) = 192.168.202.10 /24 (your host/VMnet adapter IP — Advanced IP Scanner runs here)

  • PC1 (VPCS) = 192.168.202.101 /24, GW = 192.168.202.1

  • PC2 (VPCS) = 192.168.202.100 /24, GW = 192.168.202.1

2. Configure VMware / VMnet and GNS3 Cloud

  1. In VMware Workstation (or Player) open Virtual Network Editor:

    • Create or modify a VMnet (use VMnet1 - Host-only or VMnet8 if you prefer NAT).

    • Set the subnet to 192.168.202.0, mask 255.255.255.0.

    • Set Host IP on that VMnet to 192.168.202.10 (or manually set your host NIC later).

    • Optionally disable DHCP on that VMnet (you’ll use static IPs).

  2. On your host OS (the machine running Advanced IP Scanner), assign the VMnet/host adapter (the one bound to VMnet1/VMnet8) the static IP:

    • IP = 192.168.202.10

    • Mask = 255.255.255.0

    • Gateway = leave blank or set to 192.168.202.1 (optional).

  3. In GNS3 add a Cloud node and bind it to the VMware VMnet adapter (choose the correct host interface that corresponds to VMnet1/VMnet8). The Cloud inside GNS3 will represent the host network.

3. Build topology in GNS3

  • Add R1 (router), IOU1 (switch), two VPCS nodes (PC1, PC2), and the Cloud.

  • Connect:

    • R1 f0/0 → IOU1 e0/1

    • IOU1 e0/2 → PC1 e0

    • IOU1 e0/3 → PC2 e0

    • IOU1 e0/0 → Cloud eth1 (the cloud linked to VMnet)

    • (Optionally: R1 <-> Cloud if you want router also connected to host — not necessary because R1 is connected through switch)

Make sure all cables use correct interfaces.

4. Device configuration

Router R1 (IOS)

Enter config mode:

Switch IOU1 (L2 switch with SVI for management)

If it’s an IOU L2 switch and you want management:

VPCS (PC1 and PC2) — commands inside the VPCS console

VPCS uses simple commands. For PC1:

For PC2:

5. Host (your physical/VM host) configuration

  • Ensure the host VMnet adapter bound to the GNS3 Cloud has IP 192.168.202.10/24.

  • If using VMware: in Virtual Network Editor set host IP, or set IP manually in host OS adapter settings.

6. Start everything & test connectivity

  1. Start devices in GNS3: switch, router, VPCS.

  2. From each device run basic pings:

    • From R1:

7. Use Advanced IP Scanner

  1. Start Advanced IP Scanner on the host (192.168.202.10).

  2. Target network: enter 192.168.202.0/24 or 192.168.202.1-254.

  3. Click Scan.

  4. Results should show:

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Keywords

GNS3,VMware,VMnet,Cloud,Advanced IP Scanner,VPCS,IOU switch,Router R1,VLAN,SVI,IP addressing,Subnetting,Default gateway,Ping,ARP,Firewall,Port scanning,Network mapping,Host-only,Troubleshooting, nerd cafe , نرد کافه

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