Supported Cisco Switches

Cisco ME 3400 Series Ethernet Access Switches

Supported Topologies for Cisco ME 3400 Series Ethernet Access Switches

Table 128

Supported Topologies for Cisco ME 3400 Series Ethernet Access Switches

 

 

 

 

 

 

 

 

 

 

 

 

 

Topology Discovery

Topology Verification

 

 

 

 

 

 

Topology Type

 

Technique

Technique

Additional Information

 

 

 

 

 

 

 

Physical Layer

 

CDP or static

Physical layer

By default the physical layer does not have specific

 

 

 

 

counters or CDP or

techniques for discovery.

 

 

 

 

static

Special cases are:

 

 

 

 

 

 

 

 

 

 

Ports from the same device will not be connected.

 

 

 

 

 

In Cisco devices, if enabled, CDP will be used.

 

 

 

 

 

Static topology may be used in the physical layer.

 

 

 

 

 

CDP (Cisco Discovery Protocol):

 

 

 

 

 

For Cisco devices if CDP is enabled, the CDP technique has

 

 

 

 

 

higher priority and it is the only one used for discovery and

 

 

 

 

 

verification. This include any upper layer techniques such as

 

 

 

 

 

VC related techniques in ATM or MAC in Ethernet.

 

 

 

 

 

In this technique the matching criteria is the CDP neighboring

 

 

 

 

 

information.

 

 

 

 

 

Physical Layer Counters:

 

 

 

 

 

Based on the port traffic signature, using Octet based, or Octet

 

 

 

 

 

and Packet based traffic.

 

 

 

 

 

You can create a static link between managed network

 

 

 

 

 

elements by selecting the two end ports of the network

 

 

 

 

 

elements. To create a static topological link, select the exact

 

 

 

 

 

location of the two end ports (at both ends of the link).

 

 

 

 

 

For information on creating a Static link, see Cisco Active

 

 

 

 

 

Network Abstraction 4.0.2 User and Administration Guide on

 

 

 

 

 

Cisco.com:

 

 

 

 

 

http://www.cisco.com/en/US/products/ps6776/products_user

 

 

 

 

 

_guide_list.html

 

 

 

 

 

 

 

Ethernet

 

MAC address

Ethernet counters

MAC: Ethernet port MAC is determined using bridge and

 

 

 

 

 

 

ARP tables. This technique discovers links between

 

 

 

 

 

 

routers and links between router and switch. It does not

 

 

 

 

 

 

discover links between switches.

 

 

 

 

 

Ethernet Counters: Based on the unicast packets traffic

 

 

 

 

 

 

signature.

 

 

 

 

 

 

 

MPLS

 

IP information

IP information

In this technique, the IP address of this multiple MPLS

 

 

 

 

 

interfaces are checked to be in the same subnet

 

 

 

 

 

 

 

BGP

 

BGP information

BGP information

In this technique the following BGP information is used as

 

 

 

 

 

matching criteria:

 

 

 

 

 

Local/Remote BGP Identifier

 

 

 

 

 

Same Autonomous System

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cisco Active Network Abstraction VNE Reference

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OL-15002-01

 

 

 

 

 

 

117

 

 

 

 

 

 

 

 

 

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Cisco Systems 2950 manual Technique Additional Information, 117

2950 specifications

Cisco Systems 2950 is a popular series of Ethernet switches that was initially released in the early 2000s, catering to the growing demand for efficient networking solutions in enterprise environments. Designed primarily for small to medium-sized businesses, the Cisco 2950 family emphasizes ease of use, versatility, and enhancement of network performance.

One of the main features of the Cisco 2950 series is its ability to provide Layer 2 switching capabilities. With support for multiple VLANs (Virtual Local Area Networks), the 2950 allows network administrators to segment network traffic efficiently, improving security and performance without requiring additional hardware. Each switch in the 2950 series typically includes several 10/100Mbps Ethernet ports, enabling connections for various devices like computers, printers, and IP phones.

The 2950 series employs Cisco's IOS (Internetwork Operating System), which offers a robust command-line interface for configuration and management. This operating system provides a range of features such as Quality of Service (QoS) to prioritize critical network traffic, Spanning Tree Protocol (STP) to prevent loop creation within the network, and Link Aggregation Control Protocol (LACP) for combining multiple connections in a single logical link to enhance bandwidth and provide redundancy.

Another notable characteristic of the Cisco 2950 is its reliability and scalability. With options for up to 48 ports in a single switch, it can accommodate growing network demands without requiring significant infrastructure changes. Moreover, the switches in this series are designed to support various network topologies, allowing businesses to expand their networks seamlessly.

Security features play a significant role in the Cisco 2950’s design. The switches offer features like port security to restrict access based on MAC addresses, as well as 802.1x authentication to ensure that only authorized devices connect to the network. These security measures are crucial in protecting sensitive data and maintaining compliance with organizational policies.

In summary, Cisco Systems 2950 is a reliable and feature-rich Ethernet switch series suitable for small to medium-sized businesses seeking efficient networking solutions. With its extensive VLAN support, robust security features, and range of enterprise-level capabilities, the 2950 line continues to be a valuable asset in many networking environments despite the advancement of newer models. It embodies Cisco's commitment to providing scalable, versatile, and business-oriented networking products.