Cisco Systems 3600 manual MNP5

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V.110 Support for Cisco 3600 Series Digital Modems

show modem

Field

Description

Modem config

Current modem configuration, which includes the fields Incoming,

 

Outgoing, Incoming and Outgoing, and Unknown.

 

 

Protocol

Protocol the modem is running such as Normal, Direct, reliable/MNP4, and

 

reliable/LAPM (Link Access Procedure for Modems).

 

 

Compression

Compression algorithm running on the modem, such as None, V42bis, and

 

MNP5.

 

 

Management config

Indicates if the modem is configured for out-of-band feature polling.

 

 

TX signals

Transmit signal levels. For modulations that do not support signal-to-noise

 

calculations, the ratio is 0.

 

 

RX signals

Transmit signal levels.

 

 

Last clearing of “show

Last time the modem counters were cleared using the clear modem

modem” counters

counters command. A summary of modem events also appears:

 

Incoming completes and failures—Total number of incoming

 

connection requests that the modem answered and successfully or

 

unsuccessfully connected with the remote DCE device.

 

Outgoing completes and failures—Total number of outgoing

 

connection requests that the modem dialed and successfully or

 

unsuccessfully connected with the remote DCE device.

 

Failed dial attempts—Number of times the modem attempted to dial

 

out but the call failed to leave the modem.

 

Ring no answers—Number of times the integrated modem detected

 

ringing but did not answer the incoming call.

 

Busied outs—Number of times the integrated modem was intentionally

 

taken out of service (for example, the modem busyout command was

 

enabled on the modem).

 

No dial tones—Number of times the dial-out attempt failed because the

 

modem failed to detect a dial tone.

 

Dial timeouts—Number of times the modem has timed out while

 

attempting to dial.

 

Watchdog timeouts—Number of times the modem internal watchdog

 

timer has expired.

 

No carriers—Number of times the modem disconnected because no

 

carrier was present.

 

Link failures—Number of times the modem has detected a link failure.

 

Resets—Number of times the modem has been reset.

 

recover oob—Number of times the out-of-band feature has been

 

cleared and reinitialized.

 

Protocol timeouts and errors—Number of times the modem protocol

 

failed to make a call connection.

 

Lost events—Number of incomplete modem events performed by the

 

modem.

 

 

Transmit Speed

List of connection speeds that were sent by the modem.

Counters

 

 

 

Cisco IOS Release 12.1(5)T

11

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Contents Support for Cisco 3600 Series Digital Modems Feature OverviewMIBs Supported PlatformsSupported Standards, MIBs, and RFCs StandardsConfiguration Tasks Command Reference Release Modification Command Modes Command History ExamplesShow modem Show modem slot/port group numberField Description Hold-reset commandDCD DTR Router show modem 2/10Router# TX RX RTS CTS Show modem slot/port Field Descriptions MNP5 Group Related CommandsRouter# show modem log Command Modes Command HistoryShow modem log Show modem log slot/port group numberS57 = 3 User rate for V.110 connection is 3 bps Related Commands Command DescriptionS29 = 8 V.110 modem standard Show modem configuration 0/0 Show modem configurationShow modem configuration slot/port S57 User rate for V.110 connection is 2400 bps Show modemS29 Modem standard Show modem connect-speeds max-speedslot Command Connect Speed Range DisplayedShow modem connect-speeds Show modem connect-speeds 400 to 21,600 bps 75 to 1200 bps Router# show modem connect-speeds Router# show modem connect-speeds 12000Router# show modem connect-speeds Show modem connect-speeds Field Descriptions Router# modem at-mode s/p AT@E1 Show modem operational-statusShow modem operational-status slot/port Show modem operational-status shelf/slot/portParameter #9 TX,RX Bit Rate Router# show modem operational-status 0/0Glossary
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3600 specifications

Cisco Systems 3600 is a high-performance modular router series designed for small to medium-sized enterprises and branch offices. Launched in the late 1990s, it has been widely recognized for its flexibility, scalability, and reliability. The series is part of Cisco's extensive networking portfolio and has played a vital role in delivering various services and applications while enhancing operational efficiency.

One of the main features of the Cisco 3600 series is its modular architecture, allowing organizations to customize the router according to their specific needs. The system supports various interface modules that can accommodate different types of connections, including serial, Ethernet, and DSL, which helps in building versatile network solutions. The modularity not only increases the router’s lifespan by enabling upgrades as technology changes but also supports future expansion as the organization grows.

The Cisco 3600 series routers utilize advanced routing protocols, such as RIP, OSPF, EIGRP, BGP, and IS-IS, to ensure efficient data transmission and optimal network performance. This capability allows the routers to adapt to varying traffic demands and complexities, thereby optimizing bandwidth utilization and reducing latency in communications. With extensive memory options, including Flash and DRAM, the 3600 series can handle robust data processing and support intricate routing environments.

Security is another critical feature of the Cisco 3600 series. It includes support for VPNs, firewalls, and other security protocols, providing a secure environment for data transfer. The implementation of features like Access Control Lists (ACLs) and Intrusion Detection Systems (IDS) enhances the overall security posture, making it suitable for organizations looking to protect their sensitive information.

In terms of scalability, Cisco 3600 routers can easily accommodate increased workloads and network growth. This is done through the provision of additional modules and cards to increase capacity and performance. The series can also support multiple WAN connections, enabling seamless integration with various telecommunication services.

Additionally, the Cisco 3600 series is designed for ease of management. Utilizing Cisco's IOS software, network administrators can manage and configure the routers efficiently, thanks to a user-friendly interface and extensive command capabilities. This makes troubleshooting simpler and ensures network availability remains high.

In conclusion, Cisco Systems 3600 series routers combine robust performance, security features, and scalability, making them an invaluable asset for businesses looking to maintain a reliable and efficient networking solution.