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Questions tagged [l2vpn]

For questions about Layer 2 VPN, where Layer 2 VPN (L2VPN) over Metro or Wide Area Network (WAN) is a service where a customer connects several locations with Layer 2 connectivity, that is, without IP routing.

3
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1answer
42 views

L2L ACL issue with Cisco ASA to AWS Cloud

Need help seeing what I am not seeing at the moment. I have built a l2l to the AWS cloud I run a packet trace outbound and that passes but when I run packet tracer outbound in I keep getting denied ...
1
vote
1answer
138 views

What is the difference between L2VPN and EoMPLS?

Quick terminology question: It appears as though L2VPN describes a group of technologies. Ethernet over Multiprotocol Label Switching (EoMPLS) is one of these technologies. VPLS and Pseudowire are ...
2
votes
1answer
106 views

Why do we need MPLS when implementing L2/L3 VPNs?

Yes, I know that MPLS doesn't care about L3 and higher levels and it is one of its features. But I do not really understand its role in L2/L3 VPNs. L2VPN - we are building xconnects to PE's AC. Why ...
1
vote
1answer
4k views

Difference between L2 VPN and L3VPN. How EVPN used with VxLAN and MPLS?

I am new to VPN technology and trying to connect and get the bigger picture after going through lot of online documents. Here are my confusions: Differences between L2 VPN and L3 VPN. It would be ...
1
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2answers
282 views

VPWS vs X-connect

What is the difference between these two L2vpn technologies? The bits of info I was able to find but still don't answer my question- VPWS: Virtual private wire service (VPWS)—Has a characteristic ...
1
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0answers
72 views

point- to – point local switching

I want to build an point- to – point local E-line carrier Ethernet services between IOS XRv routers using the link bundles. Once the two local EFPs linked with a point-to-point cross connect, the ...
0
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2answers
287 views

Why VPWS service - MPLS has a two ethernet frame headers?

I am trying to understand VPWS services, and going through RFC 4448, Encapsulation Methods for Transport of Ethernet over MPLS Networks. Here is the packet capture: Why there is a need for again ...
-1
votes
1answer
107 views

ISP L2vpn setup query

I am new in here and I hope to find my answer. I'm working on sub ISP company which provide internet and ipvpn services to customers through infrastructure of main ISP. We have a central data center ...
2
votes
3answers
2k views

VPN Networking: How to span a /24 subnet across two locations?

How can I have a single /24 private IP address space that spans two locations across a VPN? aka VPLS Scenario: We have a /24: 192.168.100.0/24 that has workstations and servers on it. Servers are ....
1
vote
2answers
70 views

How to connect several private networks throug the Internet into one using IPsec or OpenVPN?

Is it possible to connect several networks into one? I have read articles about site to site configuration through IPsec. But I haven't seen any articles which explain if it possible to connect 3 or ...
1
vote
2answers
651 views

Cisco OTV vs L2 VPN

Cisco introduce OTV as solution to give two physical separate Data centers l2 connectivity over common L3 network , so why we need that if we have L2 VPN solution ? and what is the benefits of ...
5
votes
1answer
1k views

Terminating an L2VPN on JunOS router

I am trying to terminate an L2VPN on an MX480 but it's not working... Topology: 7206 trunk vlanid 555 > MX80> MPLS CLOUD > MX480. 7206 (192.168.254.2) not pinging lt-interface on MX480 (192.168.254....
1
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0answers
4k views

Connection terminated for peer x.x.x.x. Reason: IPSec SA Idle Timeout

I have configured an IPsec Site - site VPN tunnel with Cisco ASA on both sides.there is no issue with the phase 1 of tunnel.but frequently connection towards some IPs become timedout only from some ...
1
vote
1answer
97 views

Cisco ASA creating two identicial Tunnel IDs?

I'm not sure why this is happening, but I have a Cisco ASA peering with a Forigate to create VPN Site-to-Site Tunnel. The odd thing is I see this in ASDM, the Cisco ASA is creating two(2) identical ...
1
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0answers
1k views

L2L VPN issues Pix 506e and ASA5520

I have a site-2-site vpn tunnel between a Pix 506e 6.3(3) and an ASA 5510 running 9.0(3)6. I can control both sides of the config. This tunnel worked fine until we did a firmware update on the ASA ...
6
votes
1answer
950 views

Is it possible to stitch a L2VPN connection into a VPLS domain on Juniper MX

I'm trying to connect one end of a L2VPN tunnel to a VPLS instance on a Juniper MX router. The L2VPN should act like a local interface in the VPLS instance. Is this possible at all? I can't find any ...
4
votes
1answer
778 views

L2 vs L3VPN with DIA and WAAS

For an enterprise migrating from traditional Internet IPSec L2L VPNs for branch offices to a MPLS-based VPN, there are options for either a L2VPN or L3VPN. The L2VPN looks more attractive as you ...
8
votes
3answers
11k views

What is the difference between VPLS vs Layer 2 VPN?

Apologies about the very open ended question, but I am struggling to differentiate between VPLS & L2 VPN's. I'm aware they both run over MPLS, but I can't find any documentation or sites that ...
8
votes
1answer
5k views

How to force VPLS/L2VPN to use a specific path

We're using VPLS and L2VPN on Juniper MX for L2 connections. Signaling is done via BGP and label distribution via LDP. Now we want one L2VPN to use a specific path trough the network and not follow ...