Dynamips

Dynamips es un software open-source desarrollado por Christophe Fillot, el objetivo de este software es emular IOS cisco. Corre sobre plataformas Windows, Linux y MAC.

Es muy util para realizar el entrenamiento en tecnologías Cisco los cuales pueden no estar a nuestro alcanze, entre ellos su costo.

Nota: Dynamips no remplaza para nada a un equipos cisco real.

Algunos de los IOS soportados son:

Cisco 1700 Series

  • 1710
  • 1720, 1721 and 1750
  • 1751 and 1760
  • WIC cards
    •WIC-1T (1 serial port)
    •WIC-2T (2 serial ports)
    •WIC-1ENET (1 Ethernet ports)

Cisco 2600 Series

  • 2610
  • 2611
  • 2610XM, 2620, 2620XM and 2650XM
  • 2611XM, 2621, 2621XM and 2651XM
  • Network Modules
    •NM-1E (1 Ethernet port)
    •NM-4E (4 Ethernet ports)
    •NM-1FE-TX (1 FastEthernet port)
    •NM-16ESW (switch module: 16 FastEthernet ports)
    •NM-NAM (Network Analysis Module, not working).
    •NM-IDS (IDS Network Module, not working).
  • WIC cards
    •WIC-1T (1 serial port)
    •WIC-2T (2 serial ports)

Cisco 3600 Series

  • 3620
  • 3640
  • 3660
  • Network Modules
    •NM-1E (1 Ethernet port)
    •NM-4E (4 Ethernet ports)
    •NM-1FE-TX (1 FastEthernet port)
    •NM-16ESW (switch module: 16 FastEthernet ports, maximum of 2 modules per router)
    •NM-4T (4 serial ports)

Cisco 3700 Series

  • 3725
  • 3745
  • Network Modules
    •NM-1FE-TX (1 FastEthernet port)
    •NM-16ESW (switch module: 16 FastEthernet ports, maximum of 2 modules per router)
    •NM-4T (4 serial ports)
    •NM-NAM (Network Analysis Module, not working).
    •NM-IDS (IDS Network Module, not working).
  • WIC cards
    •WIC-1T (1 serial port)
    •WIC-2T (2 serial ports)

Cisco 7200 Series

  • 7206
  • Chassis types
    •STD
    •VXR
  • Network Processing Engines (NPEs)
    •NPE-100
    •NPE-150
    •NPE-175
    •NPE-200
    •NPE-225
    •NPE-300
    •NPE-400
    •NPE-G2 (requires the use of NPE-G2 c7200p IOS images)

Input/Output Controllers

  • Can be inserted into slot 0 only.
    •C7200-IO-FE (1 FastEthernet port)
    •C7200-IO-2FE (2 FastEthernet ports)
    •C7200-IO-GE-E (1 GigabitEthernet port, Ethernet port is not functional)
  • Port Adapters
  • Online Insertion and Removal (OIR) is supported, allowing you to replace PAs while the router is running.
    •PA-FE-TX (1 FastEthernet port)
    •PA-2FE-TX (2 FastEthernet ports)
    •PA-4E (4 Ethernet ports)
    •PA-8E (8 Ethernet ports)
    •PA-4T+ (4 serial ports)
    •PA-8T (8 serial ports)
    •PA-A1 (1 ATM port)
    •PA-POS-OC3 (1 Packet-Over-SONET port)
    •PA-GE (1 GigabitEthernet port)

Cisco Catalyst Switches

At this moment, it is not possible to emulate Catalyst switches with Dynamips/GNS3. This is due to the impossibility to emulate ASIC processors used in those type of devices. However you can use the EtherSwitch module with 2600s, 3600s and 3700s Series. Keep in mind that this module works differently (uses the vlan database etc.) and doesn’t support the following features:
•Access Switch Device Manager (SDM) Template
•ACL – Improved Merging Algorithm
•ARP Optimization
•BGP Increased Support of Numbered as-path Access Lists to 500
•BGP Restart Neighbor Session After max-prefix Limit Reached
•BGP Route-Map Continue Support for Outbound Policy
•Clear Counters Per Port
•DHCP Snooping
•DHCP Snooping Counters
•Diagnotics Options on bootup
•ErrDisable Reactivation Per Port
•ErrDisable timeout
•EtherChannel – Flexible PAgP
•Etherchannel Guard
•Fallback Bridging
•Flex Link Bi-directional Fast Convergence
•Flex Link VLAN Load-Balancing
•Flex Links Interface Preemption
•GOLD – Generic Online Diagnostics
•IEEE 802.1ab, Link Layer Discovery Protocol
•IEEE 802.1s – Multiple Spanning Tree (MST) Standard Compliance
•IEEE 802.1s VLAN Multiple Spanning Trees
•IEEE 802.1t
•IEEE 802.1W Spanning Tree Rapid Reconfiguration
•IEEE 802.1x – Auth Fail Open
•IEEE 802.1x – Auth Fail VLAN
•IEEE 802.1x – VLAN Assignment
•IEEE 802.1x – Wake on LAN Support
•IEEE 802.1X Multi-Domain Authentication
•IEEE 802.1x RADIUS Accounting
•IEEE 802.1x with Port Security
•IEEE 802.3ad Link Aggregation (LACP)
•IEEE 802.3af Power over Ethernet
•IGMP Fast Leave
•IGMP Version 1
•IGRP
•IP Phone Detection Enhancements
•IP Phone Enhancement – PHY Loop Detection
•IPSG (IP Source Guard)
•Jumbo Frames
•L2PT – Layer 2 Protocol Tunneling
•MAC Authentication Bypass
•MLD Snooping
•Multicast Etherchannel Load Balancing
•NAC – L2 IEEE 802.1x
•NAC – L2 IP
•NAC – L2 IP with Auth Fail Open
•Packet-Based Storm Control
•Per Port Per VLAN Policing
•Port Security
•Port Security on Private VLAN Ports
•Private VLANs
•QoS Policy Propagation via Border Gateway Protocol (QPPB)
•Rapid-Per-VLAN-Spanning Tree (Rapid-PVST)
•Reduced MAC Address Usage
•Remote SPAN (RSPAN)
•Smart Port
•Spanning Tree Protocol (STP) – Loop Guard
•Spanning Tree Protocol (STP) – PortFast BPDU Filtering
•Spanning Tree Protocol (STP) – Portfast Support for Trunks
•Spanning Tree Protocol (STP) – Root Guard
•Spanning Tree Protocol (STP) – Uplink Load Balancing
•SRR (Shaped Round Robin)
•Standby Supervisor Port Usage
•STP Syslog Messages
•Switching Database Manager (SDM)
•Trunk Failover
•Trusted boundary (extended trust for CDP devices)
•Unicast Mac Filtering
•UniDirectional Link Detection (UDLD)
•VLAN Access Control List (VACL)
•VLAN Aware Port Security
•Weighted Tail Drop (WTD)

Cisco PIX firewalls

A special version of Qemu called PEMU is embedded into GNS3 for emulating the PIX 525 Security Appliance. PIX software up to version 7.2(4) is supported.
Cisco ASA firewalls

Qemu/GNS3 emulates ASA5520 (ASA 5520 Series Adaptive Security Appliance) hardware to run ASA software up to version 8.0(2).
Cisco IDS sensors

Qemu/GNS3 emulates an IDS 4235/4215 Sensor. The software IPS is known to run with release 6.0.
Juniper routers
JunOS, the Operating System for Juniper routers is based on FreeBSD, an UNIX Operating System that runs on PCs. At this date all JunOS versions are known to work in GNS3.

Source: Wikipedia, GNS3, Autor, Blog.

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