WAN Connection Methods

RS_MCP

Hi All,

From my knowledge, the following are all WAN connectivity methods.

PPP
HDLC
MPLS
ATM

Is this correct?

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Comments

notgoing2fail

RS_MCP wrote: »

Hi All,

From my knowledge, the following are all WAN connectivity methods.

PPP
HDLC
MPLS
ATM

Is this correct?

Looks good to me!

peanutnoggin

Don't forget the good old Frame Relay... especially for the CCNA!

ColbyG

I guess it depends on how you look at it. MPLS, FR, and ATM are WAN technologies, but all of those can utilize PPP/HDLC/Ethernet/etc. So you could have a PPP circuit which connects to an MPLS WAN, or PPPoA. So a lot of these things aren't mutually exclusive and can ride on top of each other.

Kaminsky

Also, a lot of modern WAN links are actually coming in as Ethernet already and plug straight into an Fe interface like it's a local LAN link. Mainly for point to point links.

notgoing2fail

Kaminsky wrote: »

Also, a lot of modern WAN links are actually coming in as Ethernet already and plug straight into an Fe interface like it's a local LAN link. Mainly for point to point links.

Oh don't even get me started on this. I created a thread exactly discussing this fact about a month ago.....

It basically comes down to what Cisco or the CCNA wants you to know. If they ask on the test if an ethernet port is WAN, you better say NO!!!

LOL...

super22

I just configured this on my WAN serial link

router(config)#int S0
router(config-if)#ip address 192.168.1.1 255.255.255.0
router(config-if)#no shut
router(config-if)#encapsulation ppp
router(config-if)#end

Correct me if I am wrong but the default encapsulation is HDLC right?
Now what if I want it to go back to the default encapsulation..how do I do it aside from doing router(config-if)#encapsulation hdlc???

thanks:)

notgoing2fail

super22 wrote: »

I just configured this on my WAN serial link

router(config)#int S0
router(config-if)#ip address 192.168.1.1 255.255.255.0
router(config-if)#no shut
router(config-if)#encapsulation ppp
router(config-if)#end

Correct me if I am wrong but the default encapsulation is HDLC right?
Now what if I want it to go back to the default encapsulation..how do I do it aside from doing router(config-if)#encapsulation hdlc???

thanks:)

Well, I guess if you do "no encap ppp" that will default back to HDLC....

alan2308

notgoing2fail wrote: »

Well, I guess if you do "no encap ppp" that will default back to HDLC....

Yes, that will also do it.

I'm assuming that you really were just guessing.