[c-nsp] RSPAN over WAN/MAN

[Aaron]

I do rspan over mpls pseudowire nicely... perhaps that's why it works is
because p2p pw's don't learn mac's.

Aaron

-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Nick
Hilliard
Sent: Tuesday, February 2, 2016 2:38 PM
To: Steven Pfister <SPfister at dps.k12.oh.us>
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] RSPAN over WAN/MAN

Steven Pfister wrote:
> At first, I thought RSPAN. I've never done an RSPAN session, but I got 
> it working in a test setup at the central site. I tried the same thing 
> with the remote site, but can't get anything but broadcasts.

rspan works by transmitting traffic across vlans which have mac learning
disabled, so therefore they unicast-flood all traffic across all ports in
the vlan.  If you're transmitting this traffic across multiple switches, you
need to make sure that the intermediate switches have mac learning disabled
on the rspan vlan, or else that they're configured as rspan-specific vlans.

Nick

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