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Status of Router

I had buy a new cisco 1841 series router i had cofigured but the serial port status is "Status Up, Line protocol Down"

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  • 451 Answers

Did you configure the serial settings correctly? what protocol are you using for the serial?

Posted on Feb 20, 2012

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ginko
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SOURCE: cisco router 1841 connected to serial interface

Make sure you set up correctly the subnet mask.

Posted on Jul 29, 2008

  • 284 Answers

SOURCE: cisco 1721 router serial port not showing any loop.

the problem is with your modem....did you tested the local loop from router to modem....are u getting local loop from one modem till router or not...try first checking local loop from modem to router...

Posted on Feb 11, 2009

  • 7 Answers

SOURCE: Cisco 1841 router

You can ID the cards by seeing if the card has "V2" on the metal plate. I believe an 1800 chasis requires a V2 card.

Posted on Feb 23, 2009

  • 8 Answers

SOURCE: ethrnet problem for cisco 1841 router?

Hi

You must enter the interface configuration mode and issue the command:

no shutdown

Posted on Mar 19, 2009

  • 208 Answers

SOURCE: G'day, I have a Cisco

Here is the pin out:
RJ45 DB25
1 -------- 4
2 -------- 20
3 -------- 2
4 -------- 7
5 -------- 7
6 -------- 3
7 -------- 6
8 -------- 5

Posted on Sep 01, 2009

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1 Answer

Connect to cisco 1841


This is more of a business unit. It requires a serial port connection and a fair amount of CISCO networking engineering knowledge. It is command only. No GUI interface.

Jan 30, 2013 | Cisco (1841) Router (cisco1841)

3 Answers

Cisco router 1841 connected to serial interface


Make sure you set up correctly the subnet mask.

Jul 29, 2008 | Cisco (1841) Router (cisco1841)

Tip

Cisco 1841 Router, Hot Sales Product Cisco 1800 Business Router


The Cisco 1841 router is designed for secure data connectivity and provides significant additional value compared to prior generations of Cisco 1700 Series routers by offering more than a fivefold performance increase and integrated hardware-based encryption enabled by an optional Cisco IOS Software security image.<br /><br />The <a href="http://www.router-switch.com/cisco1841-p-97.html">Cisco 1841</a> dramatically increase interface card slot performance and density over the Cisco 1700 Series while maintaining support for more than 30 existing WAN interface cards (WICs) and multiplex trunk cards (voice/WICs [VWICs]-for data only on the Cisco 1841 router).<br /><br />The <a href="http://www.router-switch.com/cisco1841-p-97.html">Cisco 1841 router</a> offers embedded hardware-based encryption enabled by an optional Cisco IOS Software security image; further enhancement of VPN performance with an optional VPN acceleration module; an intrusion prevention system (IPS) and firewall functions; interfaces for a wide range of connectivity requirements, including support for optional integrated switch ports; plus sufficient performance and slot density for future network expansion and advanced applications as well as an integrated real-time clock.<br /><br />Cisco 1841 router Product Details<br />Product Description Cisco 1841 router<br />Device Type Router<br />Form Factor External - modular - 1U<br />Dimensions (WxDxH) 34.3 cm x 27.4 cm x 4.75 cm<br />RAM 128 MB (installed) / 384 MB (max) - SDRAM<br />Flash Memory 32 MB (installed) / 128 MB (max)<br />Data Link Protocol Ethernet, Fast Ethernet<br />Network / Transport Protocol IPSec<br />Remote Management Protocol SNMP<br />Digital Signaling Protocol ADSL over ISDN<br />Features Cisco IOS IP Broadband , firewall protection, 128-bit encryption, hardware encryption, VPN support, VLAN support, Intrusion Prevention System (IPS), 256-bit encryption<br />Power AC 120/230 V ( 50/60 Hz )<br />System Requirements Microsoft Windows 98 Second Edition<br /><br />P.S. If you would like a new sealed Cisco 1841, the competitive price offered at RouterSwitch.com is US$586.00 per. Visit Cisco 1841 to see more...<br /><br />Notes: Router-switch.com is a World's Leading <a href="http://www.router-switch.com/">Cisco Supplier</a>, founded in 2002. It sells new, used and refurbished Cisco network equipment including Cisco routers 800/1800/1900/2800/2900/3800/3900 series, Cisco switches, Cisco Firewalls Security, Cisco IP Phones VOIP, etc.<br /><br />

on Jul 07, 2011 | Computers & Internet

Tip

Cisco 1800 Series, Business Router for Small to Medium Sized Business/Enterprise


Cisco 1800 Series Integrated Services Routers, the next evolution of the award-winning Cisco 1700 Series modular access routers, own more advantages than the formers. Cisco 1800 series, ideal for small to medium-sized businesses and small enterprise branch offices, enable businesses to reduce costs by deploying a single, resilient system for fast, secure, delivery of multiple mission-critical business services, including data, security, unified communications, wireless.<br /><br /><a href="http://www.router-switch.com/Price-cisco-routers-cisco-router-1800-series_c17">Cisco 1800 series router</a> has several models including 1801, 1802, 1803, 1811, 1812, 1841(most popular), 1861, all of them have some common features: a. Designed for small businesses or branch offices and to offer secure wireless networking; b. Multiple performance options based on local, remote, or broadband connections; c. Integrated security including encryption and protection against hackers; d. Virtual private networks for linking to partners, suppliers, and remote offices; e. Multiple options for adding reliability and option for reduced costs by using power from network cabling; f. Software upgrades to add new features and functions, and integrated switching capabilities.<br /><br /><a href="http://www.router-switch.com/Price-cisco-routers-cisco-router-1800-series_c17">Cisco 1800 series</a> router has several models including 1801, 1802, 1803, 1811, 1812, <a href="http://www.router-switch.com/cisco1841-p-97.html">1841</a>(most popular), 1861. You can check details of every type as follows:<br />The fixed platform models (1801, 1802, 1803, 1811, 1812) include multiple WAN interface options, plus:<br />Up to broadband speeds<br />Eight 10/100 Mbps built-in switch ports with optional Power over Ethernet (PoE), for providing DC power to network devices such as IP phones<br />Up to 50 VPN tunnels<br />Support for wireless local-area network (LAN) standards 802.11a/b/g<br /><br />The 1841 is a modular platform with a wide range of interface options, plus:<br />Up to T1/E1speeds<br />Up to four 10/100 Mbps built-in switch ports<br />Up to 800 VPN tunnels<br />Support for wireless local-area network (LAN) standards 802.11a/b/g<br /><br />The 1861 is a modular platform built on a fixed base with a wide range of WAN interface options, plus: <br />Integrated Cisco Unified Communications Manager Express or Cisco Unified Survivable Remote Site Telephony for call processing<br />Cisco Unity Express, for voice messaging and automated attendant<br />Integrated LAN switching with Power over Ethernet (PoE) expandable through Cisco Catalyst Switches<br />Onboard voice ports for PSTN, PBX, and key system connections<br /><br />With Cisco 1800 Series integrated services routers; you can lay the foundation for future growth and prepare for voice, video, wireless, and security solutions tomorrow. <br /><br />If you want to know more about e about the certain type of Cisco 1800 series, you can visit the list of Cisco 1800 router series, prices also offered.<br /><br />

on Jun 30, 2011 | Computers & Internet

1 Answer

G'day, I have a Cisco 1841 router which I would like to get the cable or pinouts to connect a PSTN modem. The aux port is RJ45 and the modem db25


Here is the pin out:
RJ45 DB25
1 -------- 4
2 -------- 20
3 -------- 2
4 -------- 7
5 -------- 7
6 -------- 3
7 -------- 6
8 -------- 5

Jun 30, 2009 | Cisco (1841) Router (cisco1841)

1 Answer

Cisco VPN Issue


If you are using the firewall feature set on the 1841 then make sure, you have all permit statements right and nonat statements in place. Try command line as well and go over some router to router example configs from Cisco's website

Jun 13, 2009 | Cisco 1841 Advanced Security Feature Pack...

1 Answer

Ethrnet problem for cisco 1841 router?


Hi

You must enter the interface configuration mode and issue the command:

no shutdown

Mar 19, 2009 | Cisco (1841) Router (cisco1841)

2 Answers

Cisco 1841 router


You can ID the cards by seeing if the card has "V2" on the metal plate. I believe an 1800 chasis requires a V2 card.

Feb 04, 2009 | Cisco (1841) Router (cisco1841)

1 Answer

Cisco 1721 router serial port not showing any loop.


the problem is with your modem....did you tested the local loop from router to modem....are u getting local loop from one modem till router or not...try first checking local loop from modem to router...

Nov 15, 2008 | Cisco 2610XM Router

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