[nsp] RE: Semi Complex configuration (EoMPLS)

[Mike Bernico]

It's mostly the same thing.  In many versions of IOS inputting the
command "mpls ip" yields the configuration statement "tag-switching ip"
when you show run.  

Tag Switching is what Cisco called MPLS before all the cool kids were
doing it.  If your 5500 RSM will only support tag-switching commands
you'll probably get along just fine.  

The main thing to watch out for is a routers ability to support the
standards based LDP rather than Cisco's TDP.  LDP and TDP are the
signaling protocol used to trade labels (or tags) between routers.  If I
were deploying a new MPLS network I'd want to make sure I used LDP for
multi vendor support.  That will help when there is an MPLS bug in a
piece of hardware Cisco doesn't feel like fixing...  

EoMPLS is good stuff.  I hope it works for you.  Just beware of MTU
issues.




-----Original Message-----
From: Kevin [mailto:kevin at honeycomb.net] 
Sent: Friday, August 22, 2003 12:08 PM
To: Mark Sibering
Cc: cisco-nsp at puck.nether.net
Subject: [nsp] RE: Semi Complex configuration (EoMPLS)

As I was researching the MPLS thing and I'm getting confused between
MPLS and 
tag-switching, because my 5500 RSM supports MPLS but there are'nt any
"mpls" commands,
Just tag-switching commands, while my 7500 router has the mpls commands.
The cisco documentation is'nt very clear on the difference :)
Can anyone explain the difference?

Kevin,

-----Original Message-----
From: Mark Sibering [mailto:M.Sibering at nl.tiscali.com] 
Sent: Friday, August 22, 2003 5:03 AM
To: Kevin
Subject: RE: [nsp] Semi Complex configuration


Try EoMPLS. This may provide what you are looking for. Don't know about
caveats though....

Mark

-----Original Message-----
From: Kevin [mailto:kevin at honeycomb.net]
Sent: woensdag 20 augustus 2003 23:47
To: cisco-nsp at puck.nether.net
Subject: [nsp] Semi Complex configuration


Is this even possible?

5500----------Router+------10Mb Ether(WAN)-----+Router----------Switch
    trunk Link      |------GRE Tunnel----------|	Trunk Link

Then the Tunnel and Ethernet interfaces on both ends would be bridged.
The reason why I want to do this is to tunnel 802.11q or ISL over that
10mb wan ethernet. Because our providor does'nt support vlans over the
link.

Is there a better way to do this?
I do have an RSM in the 5500.

Kevin,





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