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 U-R2

· Console port (RS-232, DB-9f)

Physical size

· Length: 9.1" (230 mm)

· Width: 6.3" (161 mm)

· Height: 2.1" (53 mm)

· Weight: 1.0 lbs. (468 grams)

IPsec performance

4.5 Mbps for 3DES

ADSL compliance

· ITU G.992.1 (G.DMT)

· G.992.1 Annex A – ADSL over POTS

· ITU G.992.2 (G.Lite)

· RADSL – ANSI T1.413 Issue 2

· DSL Forum document TR-042 ATM

· Transport over ADSL

· G.hs 994.1

· G.ploam G.997.1

· Auto negotiation rate adaptation

· RFC 2364 – PPP over AAL5

· RFC 2684 – MPoA; both bridged and routed encapsulation

· British Telecom SIN 329; QueryTel Broadband IP Product requirements for End User NTE equipment

· RFC 2516 – PPPoE

· Traffic shaping UBR, CBR

· ATM Forum UNI 3.1/4.0 PVC

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