Figure 44 Ethernet Bridged Network Example

This network is used to demonstrate the documentation template for an Ethernet [transparent] bridged network. Table 4-4. Ethernet Documentation Template for Bridged Segments [Example]

Organization:

Network Operations

LAN Segment Name:

NOC_EastCoast

LAN Segment Description:

East Coast NOC in Philadelphia, PA

LAN Backbone Speed [10/100 Mbps]:

100 Mbps

Hub Device [Vendor and Model]:

Cisco 2611

Mgmt Address:

10.142.16.1

Number of Users:

~50

Primary Network Apps:

E-Mail and SNMP Traffic

ID

Port

Host Name

MAC Address

Network Address

Description

A

1

NOC_WS1

00-31-0d-c1-f1-16

10.142.16.10/24

B

2

NOC_WS2

00-37-00-e3-00-21

10.142.16.11/24

C

3

NOC_WS3

00-41-00-ab-d1-f1

10.142.16.14/24

D

6

NOC_SUPE1

00-31-0c-d1-f0-1c

10.142.16.17/24

E

8

NOC_SUPE2

09-00-2b-01-00-01

10.142.16.22/24

NOC_SUPE1 Backup

F

9

NOC_WS4

03-00-0c-00-00-01

10.142.16.23/24

G

4

NOC_MAILSVR

00-40-0b-b2-f4-00

10.142.16.15/24

E-mail Server

H

5

NOC_AGENTSVR

00-40-0b-d4-f1-0c

10.142.16.16/24

SNMP Agent Server

I

7

NOC_Printer

00-00-0c-05-10-00

10.142.16.43/24

Network Printer

J

10

NOC_WAN_Router

00-42-a1-31-ff-01

10.142.16.8/24

Interface E1

K

L

M

AD

AE

AF

Notes: Any miscellaneous information pertaining to the network environment, such as users, pending changes, and so on would be entered here. Such as noted previously, the bridging functions in this network are implemented within the Cisco router.

• Organization— The organization(s) that this LAN segment supports.

• LAN Segment Name— A unique identifying name for this LAN segment.

• LAN Segment Description— The purpose of this LAN segment.

• LAN Backbone Speed [10/100]— 10 Mbps or 100 Mbps.

• Bridge Device [Vendor and Model]— Not necessary, but useful if vendors' technical support organization assistance is needed.

• Management Address— Used if the bridge is capable of being remotely managed.

• Number of Users— The total number of users on the segment; identified as active, inactive, or both.

• Primary Network Apps— The applications that this segment primarily supports.

• ID— An alpha-character ID used to easily identify a network device. This ID can also serve as a reference point for network review and analysis.

• Port— The bridge port ID. Although not necessary, this information can be useful for network troubleshooting.

• Host Name— It is recommended that this be a unique name, although it is not necessary. The advantage of a unique host name are the features and advantages of DNS implementation that can be realized.

• MAC Address— The OSI Layer 2 physical address of the device. This address is useful for network troubleshooting, but is not necessary if the Network Address is known.

• Network Address— This is the OSI Layer 3 logical (network) address of the device. This address is useful for network troubleshooting, but is not necessary if the MAC Address is known.

• Description— This is a miscellaneous field used for descriptive or other comments regarding the device. This field could be optional but is worth using because any information makes for more efficient network management and planning.

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