[c-nsp] VPLS and RSPAN fun

[Dino Sosic]

Hm, yeah, that's my last resort, considering I'll be burning physical interfaces then. I saw some people have done it with L2TPv3 and stuff, so I figured it must be possible with VPLS as well. But hey, 920 is on the lower end anyway. 
Cheers man

Dino


-----Original Message-----
From: Jason Lixfeld [mailto:jason at lixfeld.ca] 
Sent: Friday, 15 July 2016 1:08 PM
To: Dino Sosic <Dino.Sosic at datacom.com.au>
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] VPLS and RSPAN fun

You may not be able to.

But, what I've done in the past with success is use a loopback cable with an EoMPLS PW i.e.: 

ASR920:
Physically loop Gi0/1 to Gi0/2
monitor session 1 source int gi0/3 dest int gi0/2 Int gi0/1 Xconnect 1.1.1.1 69 encap mpls

Box connected to wireshark:
Int gi0/1
Description wireshark
Xconnect 2.2.2.2 69 encap mpls

Voila. 

Sent from my iPhone

> On Jul 14, 2016, at 8:50 PM, Dino Sosic <Dino.Sosic at datacom.com.au> wrote:
> 
> Hi guys,
> 
> I have a bit of a tricky thing to set up, so I wonder if someone has experience with this. I have a bunch of ASR920s sitting at the edge, acting as PE devices. On the other side of the VPNv4/l2VPN cloud I have a wireshark box sitting and listening on an interface. I want to be able to take a capture snap from one of the ASR920, using RSPAN (ERSPAN is not supported on ASR920), dump it into the VPLS domain and deliver it on the other side of the cloud to the wireshark.
> 
> I am sending a tagged traffic (basically just a ping to test, to the BDI of the ASR920 PE), and I can capture the traffic. I also have a working VFI and L2vpn part, however I am unable to tie these two together somehow. Here is a picture to help visualize a bit:
> 
> https://s31.postimg.org/ixqp4qqgb/RSPAN_VPLS.jpg
> 
> Feel free to ping me off the list if you have any XP in doing this.
> Cheers,
> Dino
> 
> 
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