What are the features and capabilities of the Cisco VPN Router 251?

What are the features and capabilities of the Cisco VPN Router 251?

What are the features and capabilities of the Cisco VPN Router 251?


The specifications of the VPN Router 251 are as follows:

Feature

Specifications

IP routing and network addressing

· RIPv1 and v2, ARP, ICMP

· PPPoE (two sessions)

· DHCP client and server: ‘static’ DHCP

· Dynamic DNS and DNS proxy

· NAT – many-to-many, many-to-one, one-to-one, port forwarding

VPN tunnelling

· IPsec, including AH and ESP with main and aggressive mode IKE

· PPTP

· Nailed-up VPN tunnels with control PING

· Support for branch VPN tunnels with NAT port forwarding

· Up to five VPN tunnels

Encryption

· DES, 3DES

· 3DES uses 3 independent keys; 168-bit key length (effective strength of 128 bits)

· 128, 192 or 256-bit AES

Authentication services

· 802.1x (via internal VPN Router 200 database or external RADIUS server)

· X.509 digital certificates (PKCS #7 and #10; SCEP and CMP for open SSL Certificate Authorities)

· Support for third-party Extensible Authentication Protocol (EAP) clients

· Shared secret

· Data authentication via SHA-1 or MD-5

VPN (Hard) Client support

· On-demand or manual VPN tunnel establishment

· Automatic IP fail-over assignment

· Support for RADIUS authentication

· Exclusive use mode

Stateful firewall

· Stateful packet inspection of up to 50 rules

· LAN to LAN, LAN to WAN, WAN to WAN

· Denial of Service (DoS) protection

· Attack logging and email alerts

· ALGs for CU-SeeME, FTP, H.323, IPsec, RealAudio, VDoLive

Voice-friendly capabilities

· SIP/H.323 ALGs for firewall and NAT traversal

· Port-restricted Cone NAT for Nortel Unistim VoIP forwarding

· Class-based queueing and bandwidth management for latency-sensitive VoIP traffic

· Interoperable with Nortel Multimedia Communication Server, BCM and Communication Server VoIP portfolios

Management

· VPN Router Multi-Element Manager provides multi-device configuration for up to 2,500 VPN router devices, including the VPN Router 200 series

· Web-based browser (HTTP) and/or Command-line interface (CLI) configuration

· SNMP monitoring/alerts

· Easy Install utility for centralized remote set-up

· SSL/SSH administration

· SFTP for software downloads

· Denial of Service (DoS) attack alert and logging capability

Environmental compliance

· FCC Class B

· Underwriters Laboratory

· CSA

· FCC Part 68 (for xDSL devices)

· CE

    • Related Articles

    • What are the physical and operational specifications of the Cisco VPN Router 251?

      What are the physical and operational specifications of the Cisco VPN Router 251? The specifications of the VPN Router 251 are as follows: Feature Specifications Interfaces · 4-port 10/100 Mbps Ethernet switch · ADSL – G.992.1 Annex A, Annex B or ...

    • Telephony Features Available for Cisco Unified IP Phone

      Telephony Features Available for Cisco Unified IP Phone  After you add Cisco Unified IP Phones to Cisco Unified Communications Manager, you can add functionality  to the phones. The following table includes a list of supported telephony features, ...

    • What are the technical specifications of the Cisco 1701 ADSL security access router?

      What are the technical specifications of the Cisco 1701 ADSL security access router? The technical specifications of the Cisco 1701 ADSL security access router are as follows: Feature Specifications Physical interfaces/ports One ADSLoPOTS WAN port: ...

    • Supported Security Features

      Supported Security Features The following table provides an overview of the security features that the Cisco Unified IP Phones support. For more information about these features and about Cisco Unified Communications Manager and Cisco Unified IP ...

    • Cisco Unified IP Phone Supported Features

      Cisco Unified IP Phone Supported Features  Cisco Unified IP Phones function much like a digital business phone, allowing you to place and receive phone calls. In addition to traditional telephony features, the Cisco Unified IP Phones include features ...