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ppp

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Use Multilink PPP to combine multiple circuits into a single circuit with a single router interface
At my company, we initially started out with a single T1 for Internet access. That gave us 1.5Mb up and 1.5Mb down. Over time, we outgrew the 1.5Mb down as we added more users. We had to add more bandwidth; however, it was not cost effective to bring in a...
Tags: PPP, Router, T1, Circuit, Multilink PPP, Networking, David Davis
Blog posts 2008-05-08
Close unneeded ports on Unix/Linux systems
Earlier this month, I provided some tips on how to use netstat and other tools to list open ports and listening services on a number of different operating systems. As pointed out in the previous article, "10 security tips for all general-purpose OSes," shutting down unnecessary services (and closing...
Tags: Grep, PPP, Network, Linux System, Service, Unix, Tool, Linux, Servers, Networking, Operating Systems, Open Source, Software, Hardware, Chad Perrin
Blog posts 2008-04-23
Cisco 857 and Cisco 5505 ASA in series
HiI have now been working on Cisco equipement for a grand total of about 2 weeks. Hence I don't really know what I'm doing.I want to make my Cisco 857 Router transparent, so that the Cisco 550 firewall has the external IP address, given to me from my ADSL connection.My...
Tags: NETWORKING, Network technology, jking_007@..., IP, PPP, Cisco Systems Inc.
Discussion threads 2007-10-19
Cisco Split Routing Configuration
I have a Cisco 2800 router with 2 ethernet and 2 DSL connecions. I wish to route traffic from one ethernet to one ADSL and the second ethernet to the second ADSL.I have included the relevent section of the config. This routes traffic from F0/1 to Di0 but I can't...
Tags: Network technology, NETWORKING, Cisco Systems Inc., jim.smith@..., IP, PPP, Dialer0 ip address 217.36.111.166 255.255.255.248
Discussion threads 2007-10-17
Linux kernel v2.6.23 released
Linux 2.6.23 is out, and this version has many virtualization features, including the lguest "Linux-on-Linux" paravirtualization hypervisor, XEN guest support, and KVM smp guest support. A new process scheduler, the CFS Completely Fair Scheduler, is also in. Other notable additions are the XFS and ext4 improvements...
Tags: PPP, Linux Kernel, Guest, L2TP, Linux 2.6.23, Virtualization, Linux, VPNs, Networking, Network Security, Hardware, Operating Systems, Software, Paul Mah
Blog posts 2007-10-09
Cisco 2611 DSL problem
I am trying to connect to SBC dsl using a Cisco 2611 router, I created my dialer and it tries to connect and is unable to. I used the Debug ppp Authentication command and can watch it dial out and I receive the authentication failed. I will copy and paste...
Tags: NETWORKING, citydave@..., Cisco Systems Inc., PAP, PPP
Discussion threads 2007-08-10
ISDN PRI Async Dialup configuration
Hello friendsI want to configure Cisco router 2800 with NM-1CE1T1-PRI module for dialup access from analog telephone line. We have PRI with 10 channel. I have configured router as follows ;but It doesn't pick up the call .the configuration with debug information is attached .Could you please help me?isdn#show confUsing...
Tags: NETWORKING, Network technology, Noufal, IP, PPP, ISDN, dialer
Discussion threads 2007-04-17
ISDN PRI Async Dialup configuration
Hello friendsI want to configure Cisco router 2800 with NM-1CE1T1-PRI module for dialup access from analog telephone line. We have PRI with 10 channel. I have configured router as follows ;but It doesn't pick up the call .the configuration with debug information is attached .Could you please help me?isdn#show confUsing...
Tags: NETWORKING, Network technology, Noufal, IP, ISDN, PPP, dialer
Discussion threads 2007-04-17
Changing from PPPoA to PPPoE on Cisco 837
I was recently informed by the new AT&T that they are changing my DSL service from PPPoA to PPPoE and I will need to make changes to all of my routers (we use Bellsouth's VPN Service over their DSL). I am not that familiar with configuring DSL Routers as I...
Tags: NETWORKING, Network technology, john@..., Cisco Systems Inc., PPP, IP, dialer, PPPoE, IP address
Discussion threads 2007-04-11
Problems with NAT on Cisco PIX 501
I am having problems keeping my users on the Internet. The NAT seems to work fine after rebooting the PIX, but after a period of inactivity like overnight the user cannot get back on the Internet. A quick look at the "show xlate" command shows that their address is not...
Tags: authentication, Cisco PIX Firewall, Cisco Systems Inc., H323, IP, Network Address Translation, networking, novatec1@..., PPP, ppp authentication, TACACS+, TCP
Discussion threads 2007-01-23
xp vpn authentication failing on repeated ppp lc configuration requests
I have an xp vpn client connecting to an xp vpn server both workstations running xp professional. I get up to the user authentication step and WireShark shows me repeated ppp lc configuration requests and then it dies. What could be the problem?
Tags: networking, vpn, software, windows, xp, dovidf@..., PPP
Discussion threads 2006-11-24
Please, I need help
I am new Linux user. So far, I've installed only redhat 9 on my PC, but having difficult to connect internet.Please can anyone advice me step-by-step to establish communication with internet.I am using PPP modem.Thank you.Here are some answe
Tags: Modems, Linux, NETWORKING, guledss@..., PPP, Internet
Discussion threads 2006-10-30
How to Tell if the VPN is Encrypted?
I have a router with VPN capability. How to tell if the VPN connecter is encrypted? Which command I should look for? Does "encapsulation ppp" or "ppp authorization vpn" commands means the VPN connection is encrypted?Encapsulation ppp is hinting at e
Tags: VPNs, NETWORKING, Network security, SECURITY, Working IT, VPN, PPP
Discussion threads 2006-10-30
Setup a Linux VPN server by following these 10 steps
By James M. GarvinEditor's note: As part of a recent ITSoapbox blog post I asked Linux users andevangelists in the TechRepublic community to step up to the plate and take acrack at producing some informative articles and downloads on the Linuxoperating system. This document is just one of the submissions...
Tags: Guest Contributor, kernel module, Linux, PPP, server
Technical articles 2006-02-10
Tech Tip: Improve RAS connection security
By Mike MullinsOnce you've decided to implement remoteaccess service RAS to provide file and print services to yourusers, you'll place this asset within your firewall's DMZ to proxyand record all of the data connections coming into your network.However, before you become an Internet Service Provider ISP toyour users, you should...
Tags: Challenge Handshake Authentication Protocol, Extensible Authentication Protocol, network, password, Password Authentication Protocol, PPP, remote access, remote access service, security, Serial Line Internet Protocol
Technical articles 2003-12-08
Configure IT Quick: How to configure and troubleshoot PPPoE connections in Windows XP
The demand for high-speed Internet access—faster than what can be attained with analog telephone lines and a traditional modem—has led to the popularity of broadband Internet service. Consumer broadband generally refers to two technologies: cable modem and digital subscriber line DSL. Cable modem service is provided by CATV companies utilizing...
Tags: Deb Shinder, information technology, Internet Service Provider, Microsoft Windows, Microsoft Windows XP, PPP, PPPoE
Technical articles 2003-04-07
Get IT Done: Tunneling terms you should know when deploying a VPN
While almost all organizations use TCP/IP in their networks, others continue to use legacy protocols, such as Novell’s IPX/SPX, to access NetWare servers and NetBIOS/NetBEUI to access older Windows systems. While these organizations likely have a stake in continuing to support these protocols, they may also want to provide access...
Tags: authentication, Get IT Done, Internet, L2F, password, PPP, PPTP, Scott Lowe MCSE, TCP/IP, tunnel, VPN
Technical articles 2003-01-27
Loading and unloading modules in Linux
The time may come when you need to be able to load or unload a specific module into and/or out of the Linux kernel. In this Daily Feature, we'll take a look at three nifty commands you'll find helpful: lsmod, insmod, and rmmod.The time might come when you need to...
Tags: NETWORKING, Linux, Jack Wallen, Jr., PPP
Technical articles 2000-09-14
Need to get your point across? Try Point-to-Point Protocol
Point-to-Point Protocol can boost your network security and efficiency, but getting a handle on it can be a challenge. In this week's Consultant's Corner, Warren Heaton provides an overview of Cisco's implementation of PPP.Understanding the basics of Point-to-Point Protocol PPP is critical for network administrators. As more and more sensitive...
Tags: NETWORKING, SECURITY, Warren Heaton, PPP, authentication, Link Control Protocol, Point-to-Point Protocol, network, password, Multilink PPP, Network Control Protocol
Technical articles 2000-07-27
Net Monitor 4.5.2 (Mac)
Overview Net Monitor graphs a histogram of network activity of local and remote computers in a floating window, the Dock, the Menu Bar or in a regular window. Net Monitor is highly customizable.Traffic log, including html reports.Traffic Stopwatch.Traffic Calculator.Net Monitor includes special features for PPP interfaces, like connect/disconnect & auto...
Tags: Monitor, PPP, Apple Macintosh, Menu Bar, Network, Window, Guy Meyer, Overview Net Monitor, Construction, Networking
Software downloads 2010-02-05


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IT Help Desk Survival Guide, Third Edition
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