LLC2 802.5 SRB BAN | Cabletron Systems 1800 specs

frames. Besides the encapsulation information, the main difference between BAN and BNN LLC2 frames is that BAN sends the MAC addresses across the WAN. BAN is usually used for connectivity to AS/400 hosts only.

Test Frame Examples

LLC2 802.5 SRB (BAN):

0016 (0027) 0300800080C200091040444400000008C0000000222282700004F3

03 = Control

00 = PAD

80 = NLPID

0080 C2 = OUI

0009 = PID

10= PAD

40= Frame Control

444400000008 = DMAC

C000000002222 = SMAC

8270 = RIF routing control field (2 bytes)

00= DSAP

04= SSAP

F3 = Test (BF = XID, 7F = SABME, 73 = UA, 53 = DISC, 1F = DM, 97 = FRMR)

LLC2 802.3 TB (bridged):

0016 (0025) 0300800080C2000722220000001002000000444400030004F3

03 = Control

00 = PAD

80 = NLPID

0080 C2 = OUI

0007 = PID

222200000010 = DMAC

020000004444 = SMAC

0003 = Frame length

00= DSAP

04= SSAP

F3 = Test (BF = XID, 7F = SABME, 73 = UA, 53 = DISC, 1F = DM, 97 = FRMR)

Bridged Protocol Data Unit (BPDU) frame (see 802.1d Spanning Tree Algorithm):

0016 (0043) 0300800080C2000E000000000180000060BB0039080000

Packet is the same as any 802.3 TB packet, except that a different PID is used. BPDUs use a 00 0E PID.

RIP (routed IP) packet traced on DLCI 16:

0016 (0054) 03CC450000340066000014119E4D0202020202020201020802 080020EE930201000000020000030000000000000000000000

000000

03 = Q.922 control byte

CC= NLPID for IP

45 = IP version/header length

00 = IP type of service

00 34 = total length of packet in hex

004E = Identifier

00 00 = Flags/fragment offset

Status Displays

20-15

1800 specifications

Cabletron Systems, a leading player in network management and telecommunications solutions during the late 20th century, introduced several innovative products that played a crucial role in shaping enterprise networking. Among these were the Cabletron FRX6000, FRX4000, and the FRX1800, which delivered advanced features aimed at enhancing network performance, security, and scalability.

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Moving to the FRX4000, this model offered a balance between performance and cost-effectiveness. The FRX4000 maintained many of the essential features of its larger counterpart while catering to medium-sized enterprises. It provided Layer 3 routing and could handle multiple simultaneous connections, ensuring seamless communication across departments. The modular design allowed for easy upgrades, enabling businesses to expand their network infrastructure without significant overhauls. This made the FRX4000 an attractive option for organizations looking to optimize their network investments.

Lastly, the FRX1800, designed for small to medium businesses, focused on simplicity and ease of use while still incorporating powerful network management capabilities. Its user-friendly interface made it accessible for organizations lacking extensive IT resources. The FRX1800 provided essential functionalities such as Integrated Layer 2 switching and routing, network monitoring, and basic security features, ensuring that even smaller companies could maintain efficient, reliable networking without overwhelming complexity.

All three models utilized advanced technologies, including a high bandwidth backbone and state-of-the-art switching architecture, to enable fast and reliable data transfer. They also supported Quality of Service (QoS) mechanisms, allowing businesses to prioritize critical applications and ensure consistent performance across the network.

In summary, the Cabletron FRX6000, FRX4000, and FRX1800 were pivotal in enhancing network capabilities, providing organizations with scalable, secure, and high-performance options tailored to their specific needs.

Cabletron Systems 1800 manual LLC2 802.5 SRB BAN

Models: 1800

LLC2 802.5 SRB (BAN):

1800 specifications