Cisco CISCO2951/K9 3 Ports Router
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CISCO2951/K9 Cisco 2951 Integrated Services 3 Ports Router New

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Part Number#: CISCO2951/K9
List Price was: $1926.92
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Short Description:
CISCO2951/K9 w/3 GE,4 EHWIC,3 DSP,2 SM,256 Megabytes (MB) CF,512 Megabytes (MB) DRAM,IPB 2951 Integrated Services Router | Made by Cisco | New Factory Sealed
Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

Network Segmentation and Access Control

Network segmentation and access control are important security measures that can be used to protect a network from unauthorized access and attacks. The CISCO2951/K9 Cisco 2951 Integrated Services Router includes several features that can be used to implement network segmentation and access control:

  • VLANs (Virtual LANs): VLANs can be used to segment a network into smaller, logical networks. Each VLAN is a separate broadcast domain, which means that devices on one VLAN cannot communicate directly with devices on another VLAN. This can be used to create separate networks for different departments or types of users, such as a separate VLAN for guest users.
  • Access Control Lists (ACLs): ACLs can be used to control access to a network by specifying which devices or users are allowed to communicate with other devices or users. For example, an ACL can be used to block all traffic from a specific IP address or range of addresses. This can be used to prevent unauthorized access or to control access to sensitive network resources.
  • Router-Based Firewall: CISCO2951/K9 comes with a stateful firewall that is built-in the router, which can be used to control access to a network by specifying which types of traffic are allowed through the router and which are blocked. This can be used to prevent unauthorized access, block unwanted traffic, or to control access to sensitive network resources.
  • VPN (Virtual Private Network) support: CISCO2951/K9 also supports VPN connections, which can be used to provide secure, encrypted connections to remote users or devices. This can be used to allow remote users to access the network securely, even over the public internet.
  • Network Address Translation (NAT): NAT can be used to hide the internal IP addresses of a network from the outside world. This can be used to protect the internal network from unauthorized access or to allow multiple internal devices to share a single public IP address.

VPN (Virtual Private Network) Configuration

VPN (Virtual Private Network) Configuration of CISCO2951/K9 Cisco 2951 Integrated Services Router with 3 ports involves configuring the router's interfaces, IP address information, access control lists (ACLs), VPN settings, routing information and testing the VPN connection.

  • Interface and IP address configuration: This step involves configuring the interfaces for the LAN and WAN connections and assigning IP addresses to those interfaces.
  • Access Control Lists (ACLs) configuration: This step is to control access to the VPN by setting up rules to allow or deny traffic based on IP address or other criteria.
  • VPN settings configuration: This step involves configuring the encryption protocols, VPN tunnel, and authentication methods to be used. Some popular encryption protocols used in VPN are IPSec, L2TP and others. Authentication methods can be pre-shared keys or digital certificates.
  • Routing information configuration: This step involves setting up static or dynamic routing protocols, such as OSPF or BGP, to properly route VPN traffic.
  • Testing the VPN connection: Once all the configurations have been made, you should test the VPN connection to ensure that it is working properly.

Troubleshooting and Maintenance

Troubleshooting and Maintenance of CISCO2951/K9 Cisco 2951 Integrated Services Router with 3 ports may involve the following steps:

  • Check the physical connections: Make sure all cables are properly connected and that the power supply is functioning correctly.
  • Check the status of the interfaces: Use the "show interface" command in the command-line interface (CLI) to check the status of the interfaces. Look for errors or discards, which may indicate a problem with the physical connection or a configuration issue.
  • Check the routing tables: Use the "show ip route" command to check the routing tables. Make sure that the routes are correct and that the router is able to reach all the necessary networks.
  • Check the VPN connection: Use the "show crypto isakmp sa" and "show crypto ipsec sa" commands to check the status of the VPN connection. Look for errors or issues with the encryption or authentication.
  • Check the logs: Use the "show logging" command to check the system logs. Look for any error messages or alerts that may indicate a problem with the router.
  • Check for software updates: Check the Cisco website for any software updates or security patches that may be available for the router.
  • Regularly backup the configuration: Regularly backup the router's configuration to a secure location, in case the router needs to be replaced or restored to its original settings.
  • Regularly monitor the devices: Monitor the devices regularly and check for any issues or errors, and address them in a timely manner.

Key Information about this Cisco CISCO2951/K9

  • Manufacturer: Cisco
  • Model Number or SKU# CISCO2951/K9
  • Product Series: 2900
  • Product Model: 2951
  • Product Type: Integrated Services Router

Interfaces/Ports of Router

I/O Expansions of 3 Ports Router

  • Number of Total Expansion Slots: 13
  • Expansion Slot Type: SFP (mini-GBIC)
  • Expansion Slot Type: HWIC
  • Expansion Slot Type: PVDM

Network and Communication for Ethernet Router

  • Network Technology: 10/100/1000Base-T
  • Ethernet Technology: Gigabit Ethernet


  • Standard Memory: 512 MB
  • Maximum Memory: 2 GB
  • Memory Technology: DRAM
  • Flash Memory: 256 MB
  • Memory Card Supported: CompactFlash (CF) Card


  • Power Device : Internal power supply
  • Voltage Required : AC 120/230 V (50/60 Hz)

Management and Protocols

  • Management Protocol Data Link Protocol : Ethernet, Fast Ethernet, Gigabit Ethernet
  • Network / Transport Protocol : IPSec, L2TPv3 Routing Protocol : OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, static IP routing, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing, policy-based routing (PBR), MPLS, Bidirectional Forwarding Detection (BFD), IPv4-to-IPv6 Multicast
  • Remote Management Protocol : SNMP, RMON, TR-069


  • Firewall protection, VPN support, MPLS support, Syslog support, IPv6 support,
  • Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED),
  • Web Services Management Agent (WSMA), NetFlow

Compliant Standards

  • IEEE 802.3, IEEE 802.1Q, IEEE 802.3af, IEEE 802.3ah, IEEE 802.1ah, IEEE 802.1ag, ANSI T1.101, ITU-T G.823,
  • ITU-T G.824, CISPR 22 Class A, CISPR 24, EN55024, EN55022 Class A, EN50082-1, AS/NZS 60950-1, ICES-003 Class A,
  • CS-03, R&TTE, FCC CFR47 Part 15, UL 60950-1, IEC 60950-1, EN 60950-1, BSMI CNS 13438, AS/NZS 3548 Class A,
  • VCCI V-3, EN 61000, TIA/EIA/IS-968, EN 300 386, CAN/CSA-C22.2 No. 60950-1

Environmental Parameters

  • Min Operating Temperature : 32 °F
  • Max Operating Temperature : 104 °F
  • Humidity Range Operating : 5 - 85%

Dimension and Weight

  • Height: 3.5 Inch
  • Width: 17.2 Inch
  • Depth: 18.5 Inch
  • Weight: 29.1 Lbs
Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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