WIC-2T Interface

I read from the cisco website that that WIC-2T interface is used for Point-to-Point protocol or Frame Relay and Data Terminal Equipment/Data Communications Equipment. Are these the only uses for the interfaces? Are they mandatory for the 1721's if I want to lab with frame relay? Thank you!

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Comments

alxx

Yes, they can/are used to interconnect routers and for frame relay.

Could also use wic1ts which are cheaper but they have only one serial interface and the wic2t's have 2.

Understanding 2-Port Serial WAN Interface Card (WIC-2T)
Understanding 2-Port Serial WAN Interface Card (WIC-2T) - Cisco Systems

configuring serial interfaces
Cisco IOS Interface Configuration Guide, Release 12.1 - Configuring Serial Interfaces - Cisco Systems

wic-1t and wic-2t docs
WIC-1T and WIC-2T Documentation Roadmap [Support] - Cisco Systems

freecna workbook wlan link via frame relay lab
Free CCNA Workbook Lab 5-2 – Configuring Point-to-Point Frame Relay Links

Free CCNA Workbook Section 5 ? Configuring Wide Area Network Links

osJoe

Thanks for the reply. I don't see the need to buy the interface if I can practice all the labs I need (excluding frame relay) without it?? I'll also be saving around 30 dollars.

alxx

How else are you going to interconnect your routers on "wan ports"

You need to know how to setup serial interfaces for ccna
and how are you going to setup routing between routers if you don't connect them ?

http://www.techexams.net/forums/ccna-ccent/60453-ccna-lab-required-interfaces.html

CCNA Certification Online Training DTE DCE Network Cable
CCNA CCNP Cisco Router Directly Connected Serial Interfaces

InformIT: CCNA Practical Studies > Configuring Point-to-Point Serial Interfaces

CCNA 90-Second Boot Camp: Directly Connected Serial Interfaces - YouTube

osJoe

So if I was looking for the cheapest solution would this do for connecting my 1721 to an 831 router? GENUINE CISCO WIC 1DSU-T1 DSU/CSU INTERFACE CARD | eBay

alxx

osJoe wrote: »

So if I was looking for the cheapest solution would this do for connecting my 1721 to an 831 router? GENUINE CISCO WIC 1DSU-T1 DSU/CSU INTERFACE CARD | eBay

Thats not a wic1t.
I don't know if you can use two of those to interconnect routers locally.
I've only used wic1t's and wic2t's myself

You would need a wic1t in each or a wic2t in each or a wic2t in one and a wic1t in the other, plus the cable to interconnect them

Two of these
[url=http://www.ebay.com/itm/Genuine-Cisco-Serial-WAN-Interface-Card-WIC-1T-/290606461861?pt=COMP_EN_Networking_Components&hash=item43a97eb3a5#ht_500wt_898
a]Genuine Cisco Serial WAN Interface Card WIC-1T | eBay[/url]nd one of these cables
[url=http://www.ebay.com/itm/Genuine-Cisco-Serial-WAN-Interface-Card-WIC-1T-/290606461861?pt=COMP_EN_Networking_Components&hash=item43a97eb3a5#ht_500wt_898

note the connectors

w]Genuine Cisco Serial WAN Interface Card WIC-1T | eBay[/url]ic1t's and cables
[url=http://www.ebay.com/sch/i.html?_from=R40&_trksid=m570.l2736&_nkw=wic1t

w]wic1t w | eBay[/url]ic2
twic1t | eBay
can also get 4 , 8 , 16 and 32 port serial cards/adaptors NM4 , NM8 , NM16 , NM32
mostly for 2600xm's , 3600's, 3700's

universalfrost

you can connect the routers with the wic-1dsu-t1, but you will need a t1 crossover cable

1--4
2--5
3--3 unused
4--1
5--2
6--6 unused

7--7 unused
8--8 unused

Once you have this, you can emulate a t1 circuit by putting the "service-module t1 clock source internal" on one of the interfaces.