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Okay, setting-up more than one default route is very simple: RouterA(config)#ip route 0.0.0.0 0.0.0.0 x.x.x.x 1 ISP1 RouterA(config)#ip route 0.0.0.0 0.0.0.0 y.y.y.y 255 ISP2 Where: 0.0.0.0 0.0.0.0 is the default route, x.x.x.x is the next hop IP address to your primary ISP, 1 is the Metric...

Hi, I'm not clear on your situation. Are you saying that you have a second connection to a different ISP that is never used unless the first one goes down? I understand the need for redundancy, but aren't you paying for an ISP connection that you will rarely use? If your primary ISP is that...

I've worked a bit with VPNs, so here's my two cents worth: There are two standard ways of doing this using a VPN router (ie Nortel Contivity or Cisco 800) - the first way assumes that you already have a firewall in place. In this case, you place your VPN box on the same (interior)LAN segment...

It's only a concern if you have your own AS number & you setup EBGP peer relationships with the two ISP routers. If this is the case, you can use route maps with the "set community no-export" command to prevent the route through your network to ISP ABC being advertised to ISP XYZ and...

I sounds like someone must have typed "no ip routing" at some point. This is tricky because it doesn't show up when you do a "show run". You need this to be enabled even if you are only using static routes. Try this: in global configuration mode, type "ip routing&quot...

The actual syntax is "clock rate 6000000" on the DTE interface. I've had 3640s running at 6Mbit/s back-to-back V.35 (10 foot cables)no problem. If you use compression, you can squeeze a bit more out of the connection. The practical V.35 limit is 8Mbit/s according to Cisco's...

Have you configured an IP address for the serial (integrated CSU/DSU) port? Check the lights on the CSU/DSU interface - they should be all green. Check if the "alarm" light is on - this could mean that your ISP doesn't have the line turned on yet, you're using the wrong encapsulation...

If you want to monitor Cisco switches & routers then it's hard to beat the Solarwinds suite of tools. You can download a trial-version for free & see what you think. If you want to spend more than $100K , checkout the monitoring tools by Peregrine Systems or Empowered Networks. These are...

You can configure your sub-interfaces to use more than the total fractional T1 port speed - in this case 384K. This will work in many cases because a T1 connection is full-duplex - which means you can have 384Kb/s of data going out & in at the same time. The risk of doing this occurs when all...

I believe that you should get an IOS version that ends with "T" (ie 12.1(3a)T1. The "T" versions support all serial interfaces & fastethernet interfaces too. If you have a CCO login, then check out the IOS software info at www.cisco.com.

No, it's not possible on a 3534 switch. You can only redirect traffic on a router or layer 3 switch (ie 5505, 2948G) using the ip wccp web-cache command. For more info, check the Cisco site: http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/fun_c/fcprt3/fcd305.htm#xtocid62881

Yes, you can change the MAC address of most newer NICs, but it's generally a bad idea in a network situation because duplicate MAC addresses can occur. These are extremely difficult to diagnose in large networks. No, you can't have more than one MAC address per NIC. Multiple IP addresses YES...

Sorry, I meant after you install the Wingate Client, then you have to setup the second (client) pc to use a proxy server. Checkout: http://kb.deerfield.com/index.cfm?a=1040&k=1&CFID=557309&CFTOKEN=92225429 This gives you the proxy server settings. You could use DHCP but it's not really a good...

I agree with Mike - check out the Solarwinds tools. In addition to Network Monitor & Bandwidth Monitor, I find Extended Ping extremely useful (although I think they could have come up with a better name!). EP is also easier to use than NM. VisualRoute is also handy for getting a real-time view...

Unless you have defined usernames for logging into the switch, you can leave the username field in the dialogue box blank & just enter the enable password. Good Luck!

ISDN is a dial-up line regardless of whether its BRI or PRI. When data wants to go across the line, a session is established, the data is transfered, the session is closed. If you want the link up all the time you could use keepalives, but it would cost big time (you pay by the minute). If you...

http://www.cisco.com/cgi-bin/Support/PSP/psp_view.pl?p=Internetworking:ISDN (TAC access required) or http://www.cisco.com/univercd/cc/td/doc/cisintwk/idg4/nd2011.htm (no TAC access required) I hope this helps!

Nah, with Wingate all you need to do is to setup the second PC to use a proxy server (via control panel Internet settings). For the name of the proxy server, enter the IP address of the 1st (Internet connected) PC. The Wingate help will give you the correct port settings (I think it's 1080). If...

Wybnormal is right about all devices not supporting zero subnets. I spoke to a couple of Cisco instructors & they say that the formula is (2^n)-2 for both CCNA v1 & v2.

Yours is indeed a sticky problem. I've had this happen to me only once -years ago- when I started a new job & inherited a bunch of routers fom my predecessor. One of these was booby-trapped in the same way yours is - a lost password for the ROMMON enable mode. There are two ways that I know of...