WIC1T or WIC2T

Sorry for a newbie question, but can I do with 2 x WIC1T cards what you can do with 1 x WIC2T ???

I have 2 x 2621XM both with 1 x WIC1T card and I want to get another router to do frame relay - should I get WIC2T cards for them all, or put another WIC1T card in the spare slot?

Thanks!

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Comments

jdfriesen

Yes, 2 x WIC-1T will be the equivalent of 1 x WIC-2T. The differences are just the connector type, and that you're using 2 slots for the WIC-1T's, versus just 1 for the WIC-2T.

alan2308

There isn't any difference in functionality between the two, the only difference is port count. If you care about port density, get the WIC-2T, otherwise go with which ever is cheaper per port.

Jas21

OK that's cool - so same but different - and different cable - DB60 to Smart Serial

Cheers

lwwarner

The cable type just depends on what you are connecting to. I currently have only WIC-2T serial ports in my lab so all of my cables are SS-to-SS. I like the SS cables better than the old bulky DB60 cables. I use a 2620 with 2x WIC-2T cards in it as my 4-port frame relay switch. This same 2620 also has an NM-16A in it and doubles as my terminal server.

tiersten

alan2308 wrote: »

There isn't any difference in functionality between the two, the only difference is port count.

WIC-1T can only do sync serial at a maximum of 2Mbps. The WIC-2T can do 8Mbps on each port concurrently if you plug it into a suitable router.

Not that it matters for a lab

alan2308

tiersten wrote: »

WIC-1T can only do sync serial at a maximum of 2Mbps. The WIC-2T can do 8Mbps on each port concurrently if you plug it into a suitable router.

Not that it matters for a lab

I meant actual features, but the difference in potential speed is good to know in case someone is thinking beyond a lab setup.

ZeroHunter

lwwarner wrote: »

The cable type just depends on what you are connecting to. I currently have only WIC-2T serial ports in my lab so all of my cables are SS-to-SS. I like the SS cables better than the old bulky DB60 cables. I use a 2620 with 2x WIC-2T cards in it as my 4-port frame relay switch. This same 2620 also has an NM-16A in it and doubles as my terminal server.

I could not agree more with you, I think that the little bit extra you pay for the WIC-2T (in my case WIC-2A/S's) is easily made up for in what you save in cable cost. I find that the old, larger, and heavier DB-60 cost more then the Smart Serial Cables.

Also I am doing the same thing (2) WIC-2A/S's in a NM-2W make up my Frame Relay.

Jas21

OK so cable confusion

I need the following:

DCE/DTE Smart Serial cables (for the WIC-2T to WIC-2T connections)

and

Serial to Smart Serial cables (for the NM-4A/S to WIC-2T connections)

Can someone please link to either diagrams or links for sale so I know what I'm buying?!

okplaya

3FT CISCO WIC-2T CABLE DB60/DCE to SMART SERIAL - eBay (item 310300175817 end time Mar-31-11 06:54:09 PDT)

1.5FT SMART SERIAL CABLE CISCO WIC-2T back to back - eBay (item 310302129156 end time Apr-06-11 11:37:24 PDT)

Jas21

That's great, cheers

Jas21

Duh - so I got the cables as linked ^

My question now - how to cable up?

I have 3 x routers - each with 1 x WIC2T and 1 (which I intended to do frame relay/clocking duties) has NM-4A/S serial interface

So I have the DCE end of the DCE to SS cables in the 1 NM-4A/S serial interface

The other end I take it into 1 of the WIC2T slots on the other routers?

And the remaining 1 slot in the WIC2T on each router, into the other routers

Is that correct?

Thanks

Patel128

Jas21 wrote: »

Duh - so I got the cables as linked ^

My question now - how to cable up?

I have 3 x routers - each with 1 x WIC2T and 1 (which I intended to do frame relay/clocking duties) has NM-4A/S serial interface

So I have the DCE end of the DCE to SS cables in the 1 NM-4A/S serial interface

The other end I take it into 1 of the WIC2T slots on the other routers?

And the remaining 1 slot in the WIC2T on each router, into the other routers

Is that correct?

Thanks

Yup, that is exactly what I am doing in mine. I made a serial/ethernet topology before i did mine just to see what all of the layouts i needed. I plugged all of the SS coming from the NM-4A/S in to 0/0 on the WIC-2Ts. and then i got 2 SS to SS cables and plugged Router 1's 0/1 (on WIC-2T) to Router 2' s 0/1 (on WIC-2T) and i did the same for Routers 3 and 4.

Jas21

^ cheers - does it matter if the back to backs are DCE in the same slots - i.e. if lets say Router 1 is acting as frame relay switch, then I take it all DCE ends should be in the one - then the back to back cables from the WIC2T's - slot 0 DCE to DTE in slot 1 on router 2 - slot 0 on router 2 to slot 1 on router 3...then slot 0 on router 3 to where?

alan2308

Jas21 wrote: »

^ cheers - does it matter if the back to backs are DCE in the same slots - i.e. if lets say Router 1 is acting as frame relay switch, then I take it all DCE ends should be in the one - then the back to back cables from the WIC2T's - slot 0 DCE to DTE in slot 1 on router 2 - slot 0 on router 2 to slot 1 on router 3...then slot 0 on router 3 to where?

When you're cabling up things, all you really care about is that the router that the DCE end plugs into provides clocking for the line. It doesn't really matter which end gets the DCE end, or how many DCE ends one router gets. In a lab environment at least, providing clocking for multiple serial lines isn't going to put a detrimental strain on a router.

When I'm labing something up, I just add a clock rate on every serial interface that I configure. The interfaces with a DTE end will just ignore it. That way I don't have to worry about remembering which way I ran the cable, and it helps to remember about clock rates.