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.
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Site to Site VPN using GNS3
I'm sorry if this a really vague question - but I am trying to get my head around a problem and a possible solution. I'm not really a network guy (not to the depths of you guys) - I'm a PLC ...
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l2circuit untagged interface Juniper
I would like to create a l2circuit that I received a untagged frame from the customer and add a tag, because on the other side I will use a switch and share the same interface and my customer needs to ...
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QinQ does not work with L2VPN (VSI and MPLS L2VC - Switch Huawei)
Currently, I am trying to configure a network to transport multiple VLANs for a client who has points in different locations (Side A and Side B). My idea was to use QinQ for this. The network topology ...
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Huawei S5700, forwarding incoming untagged packets to bridge-domain (Error: The port has added to VLAN 1)
Trying to forward incoming untagged packets from an AC port to a bridge-domain.
I'm following these guides:
https://support.huawei.com/enterprise/en/doc/EDOC1100086966
https://support.huawei.com/hedex/...
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STP frames over VPLS/VPWS
Do VPLS and VPWS services transfer STP frames? How about other L2 control frames?
Can two geographically dispersed sites have one STP region over any L2VPN?
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VXLAN working over IGP, but no NVE peers or EVPN routes in BGP
I'm an absolute beginner with NX-OS and VXLAN. I'm trying to set up a very simple configuration for VXLAN/EVPN/BGP. I have one NX-OSv spine and two leaf switches. No VPC, no anycast SVI. The ...
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What exactly does a Juniper PE use to find the correct transport LSP for the L2 circuit(Martini) neighbor?
Let's say, that I have a following simple L2 circuit(Martini) configuration:
root@PE4> show configuration protocols l2circuit
neighbor 192.168.2.2 {
interface ge-0/0/5.777 {
virtual-...
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How does a Juniper PE associate frames from the CE with correct route in <VPN_name>.l2vpn.0 table in case of Kompella L2 VPNs?
Let's say, that I have a following simple BGP-signaled L2VPN configuration:
root@PE4> show configuration routing-instances
vpn-b {
instance-type l2vpn;
interface ge-0/0/0.515;
route-...
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MPLS xconnect L2VPN with tagged interface (subinterface) and untagged interface
We need to extend a specific device directly connected to the core network to an existing L2VPN with an MPLS xconnect L2VPN.
But we encounter a problem. Indeed, one side recquire sub interface and ...
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What's the difference between L2TP and L2TPv3? [closed]
Is L2TPv3 an improvement of L2TP or a completely different technology? Other than "it scales better" and "the non-proprietary MPLS" I can't find much information about it that's ...
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VPN to a current subnet ID
I am sure this is a fairly basic question, but the standard google searches have not told me what I am looking for.
I have a restaurant that uses an ipad point of sale on a dedicated subnet id: 192....
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ....
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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 ...
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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 ...
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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....
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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