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TOPIC: Cisco Lab w/ serial WAN WIC1T cards

Cisco Lab w/ serial WAN WIC1T cards 9 years 5 months ago #30640

  • ZiPPy
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I'm looking to expand my Cisco lab and design more production type networks in a lab environment. To do this, I will need to create a WAN topology where I can create RIP, RIPv2, EIGRP, and OSPF routing protocols.

Currently I have the following routers in the Cisco lab:

1 - Cisco 2610 series router
1 - Cisco 2620 series router
2 - Cisco 1720 series router

Only my 1720's have WIC1T cards installed with a DCE/DTE cable connecting them.

If I purchase 2 more WIC1T cards and install them in my 2600 series routers, how do I daisy chain the DCE/DTE cable to create a four wide WAN topology setup?

Would I configure one router for clocking(DCE end) and then daisy chain DTE cables to the other routers?


Cheers,

ZiPPy
ZiPPy

Re: Cisco Lab w/ serial WAN WIC1T cards 9 years 5 months ago #30641

  • S0lo
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If I understand you well, to connect the four routers ONLY via WAN cards, you need 4 more WIC-1T modules. Because the 2 routers at the middle of the chain would need 2 WIC-1Ts each.

Regrading DCE/DTE, as you know you just have to set the clock rate on each DCE side of each cable.
Studying CCNP...

Ammar Muqaddas
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Re: Cisco Lab w/ serial WAN WIC1T cards 9 years 5 months ago #30643

  • ZiPPy
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With the added WIC1Ts would this suffice in creating Frame Relay labs?

Would this topology be correct in regards to the DCE/DTE connectivity?




Cheers,

ZiPPy
ZiPPy

Re: Cisco Lab w/ serial WAN WIC1T cards 9 years 5 months ago #30646

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With the added WIC1Ts would this suffice in creating Frame Relay labs?


Yes, but not in a chain topology. For Frame Relay you need to configure one of your routers to act as a Frame Relay switch. Then you will need to connect all other routers directly to this Frame Relay switch. Some thing like this:



Notice here that the center router (i.e Frame Relay switch) will need 3 WIC-1Ts while all others will need only one. This tutorial might help on the setup of the center router: www.thebryantadvantage.com/Frame%20Relay%20Switch.htm

By the way, if you don't have enough slots on the router, you could get a WIC-2T. It's a single module that has 2 serial interfaces, however the jack is different so you need different cables.

Would this topology be correct in regards to the DCE/DTE connectivity?


Yes, there is no problem here if you want to simply chain them without Frame Relay.
Studying CCNP...

Ammar Muqaddas
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Re: Cisco Lab w/ serial WAN WIC1T cards 9 years 5 months ago #30652

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S0Lo,

I was just showing the DCE/DTE connectivity point, not a definite Frame Relay setup. But I can see how you would think it was, as I did asked a Frame Relay question. :)

To have more slots available, I would probably need a 3000 series or higher router, correct? I'm debating whether to purchase a new higher series to accommodate this Frame Relay lab, or to just purchase the WIC-2T card. I'll be sure to watch which cable I purchase.

I don't know if you have seen my other post about GNS3, but that issue is frustrating me. So I would like to heavily invest in a REAL Cisco lab. But nothing is better than the real thing!! 8)


Cheers mate,

ZiPPy
ZiPPy

Re: Cisco Lab w/ serial WAN WIC1T cards 9 years 5 months ago #30683

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Yes you could get a 3000 series router to install more interfaces, For instance, the 3640 has 4 NM slots (which means 8 WICs max), but I'm not 100% positive about wither they can support working as a frame relay switch or not. They probably can, but just make sure. You could also get a 2520 or 2522 which has built in serial interfaces and can work as a frame relay switch as far as I know. Try searching ebay for "frame relay switch". you'll quickly find several others that can do as well.
Studying CCNP...

Ammar Muqaddas
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