Questions tagged [vpls]
This tag is for questions regarding VPLS, the Virtual Private LAN Service, which allows ethernet-based point-to-multipoint Layer 2 VPNs to be implemented as a MPLS service.
36
questions
0
votes
1
answer
99
views
VPLS over GRE over IPSEC
I need to connect to L2 networks over the internet, which means I'll need some form of security as well.
The first obvious idea is IPSec, but what I'm not sure whether I need GRE over IPSec or simply ...
- 13
0
votes
0
answers
41
views
Technology to accepts transparently tagged/untagged frames on an unconfigured AC port
Forehead: I come from the Enterprise world and I'm now approching SP world; I apologize in advance if I don't use the right terminology.
Hello,
I'm trying to think of a design where on the Attachment ...
- 11
5
votes
1
answer
320
views
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?
- 551
2
votes
1
answer
470
views
Transporting an Ethernet Port in a LDP Based VPLS Instance on Juniper MX routers
We are currently transporting an Ethernet Port using LDP Based Layer 2 VPN service (P2P PW) in Juniper MX.This P2P LDP PW is up and currently working. Below is the configuration against this:-
set ...
- 1,110
2
votes
1
answer
176
views
Brocade L2VPN Route Reflector
I am trying to create an MPLS VPLS network where the VPLS instances are auto-discovered via BGP L2VPN. The issue I'm currently facing is that the routes are not reflected and there seems to be no ...
- 55
0
votes
2
answers
281
views
Pros and cons of using VPLS instead of using MPLS alone
What are the pros and cons of using VPLS instead of MPLS alone?
What are the typical cases where VPLS is used?
1
vote
1
answer
732
views
PE route down in LDP based VPLS Connection in Juniper MX
I am observing 'PE route down message ' against LDP based VPLS connection on Juniper MX. The IGP protocol is IS-IS. LDP VPLS connectivity is point to point (having only two end points).
When I check ...
- 1,110
1
vote
1
answer
189
views
VPLS how to signal CE facing interface failure
Hello,
I have a BGP-based VPLS setup with one CE machine being multi-homed
multi-homing works if i for example shut the active PE or i somehow disturb the connection between my PEs... that ok
but ...
- 73
2
votes
1
answer
115
views
H-VPLS application with different types of VPLS
so ive been digging around VPLS for a while and i have come across a term H-VPLS.
My knowledge is: VPLS can be signalled using LDP (manual or autodiscovery) or BGP (autodiscovery).
H-VPLS: ...
- 73
3
votes
1
answer
2k
views
VPLS split-horizon behaviour
I am trying a LDP based VPLS topology
And I am just figuring out how split-horizon works in this scenario.
So my uPE has a primary xconnect to PE1 and backup to PE2 (only one at a time is active, ...
- 73
2
votes
2
answers
1k
views
Junos[MX]: How to show VPLS instance associated with given subinterface
Suppose I have a subinterface with Vlan-vpls encapsulation, like this one:
admin@router> show configuration interfaces ge-2/1/1
flexible-vlan-tagging;
encapsulation flexible-ethernet-services;
...
- 123
1
vote
0
answers
685
views
mLACP / MC-LAG between Cisco / Juniper
I am working on a LDP signalled VPLS topology (picture)
What I am trying to accomplish here is to establish a redundant connection to CE1.
CE1 has both interfaces in a port-channel with an IP.
My ...
- 73
4
votes
1
answer
201
views
Extending a subnet across a WAN link vs routing
probably a noob question but any help is appreciated.
Question: What are the disadvantages of spanning L2 subnets across a WAN as opposed to a routed connection?
Background: I've got a client who's ...
- 43
2
votes
0
answers
415
views
add VLAN access ports to a VSI (HP)
I'm trying to understand how VLANs work in conjunction with VSI / VPLS. I'm using two HP A5800AF switches connected through MPLS.
Specifically, I want to associate a port on each side with a specific ...
- 121
1
vote
1
answer
611
views
SONET/T-Carrier differences - MPLS/VPLS bandwidth
Could someone explain to me simply what is the difference between SONET and T-Carrier?
I know that the ISP generally uses SONET on their infrastructure (Ciscopress 2017, 1.2.1.2 section, http://www....
- 1,085
2
votes
1
answer
2k
views
Juniper MX - vlan-ccc double tagged to untagged
On an interface to a customer of ours we configured double tagging. This interface is encapsulated with vlan-ccc because it is used in a l2circuit neighbor configuration.
My question is: how can this ...
- 275
1
vote
0
answers
318
views
Vlan translation and Swapping
Heey, all
As an ISP provider, We are trying to connect Multiple customer sites via our Mpls core.
our plan to give each customer site a different vlan ( c-vlan) and then translated to S-vlan to ...
- 21
2
votes
0
answers
353
views
Cannot Ping endpoints across a VPLS connected VLAN [closed]
Created a new VPLS Service first manually and then when it did not work reattempted with our Alcatel SAM 5620 to get a VLAN to pass end to end.
Both configs look the same, neither the command line ...
- 21
2
votes
1
answer
2k
views
LDP based VPLS between Cisco IOS XE and Juniper MX
im struggeling in setting up LDP based VPLS in a Cisco/Juniper mixed vendor environment.
The configuration is currently running between two Cisco Boxes, but i have to migrate on side to Juniper.
...
- 527
1
vote
0
answers
284
views
OSPF question from ISP perspective
Was hoping for some advice regarding an OSPF solution for a customer.
Basically the customer has about 4 sites.
These would all be linked together physically.
I have attached a basic network ...
1
vote
1
answer
71
views
VPLS connection
My Network is as follows.
11.11.11.1 (connected interface g0/1)--(CE IP= 10.10.10.1)R1 == VPLS_Cloud == R2 (CE ip=10.10.10.2)
I can ping from router (ping 10.10.10.2 works)
ping 10.10.10.2 source ...
- 13
6
votes
3
answers
33k
views
Differences between MPLS and VPLS
Can someone explain to me what differences there are between MPLS and VPLS?
Which one is the most efficient? Why?
I’ve read that the only difference is layer of technology: 2 (VPLS) vs 3 (MPLS). Does ...
- 185
1
vote
1
answer
2k
views
Vlan Extension vs VPLS + need understanding
I have tried to find the answer online and I was trying to make sure my understanding is correct. So if someone can point me to the correct path please do.
My understanding of vlan extension are ...
- 165
2
votes
0
answers
168
views
VPLS interface on router switched to other interface on same router
I have a router, R1, that is serving as a default gateway on a network segment. Let's say port eth0 has an ip of 10.0.0.1/24 and is connected to a switch, S1.
Another port on the router, eth1, is ...
- 208
1
vote
1
answer
312
views
How to configure vlan mapping with VPLS on Cisco 6500 routers?
I'm using VPLS to extend vlan x from site1 (Cisco C6500) to two remotes sites (Cisco C6500) site2 and site3 over MPLS.
The issue I'm facing is that a vlan with the same number already exists in the ...
- 11
2
votes
1
answer
394
views
Metro Ethernet no layer 3 connectivity
We're working with a metro ethernet provider to bring up a new multi-point connection between our sites. Currently we're just trying to get it working with two sites. As a simple test I've plugged in ...
- 395
5
votes
1
answer
748
views
LDP VPLS - Packet behavior within bridge-groups and bridge-domains
I have a pair of ASR9k's that I plan on migrating to Juniper MX960's. Below is a piece of the configuration:
l2vpn
bridge group VPLS_1
bridge-domain 101
interface TenGigE0/2/0/0.101
!
...
- 7,044
1
vote
2
answers
226
views
BGP VPLS - How the destination ip address is mapped?
From RFC and tutorials in the internet I understand that the MPLS cloud acts as a switch and switches traffic between end points in a VPLS. And that VPLS ID along with RD is used to reach the VPLs ...
- 1,124
6
votes
2
answers
4k
views
Cisco IOS: How to view MAC addresses on an Ethernet pseudowire
With two Cisco ME3600 (or similar MPLS & VPLS capable devices) running recent code [15.3(3)S], is it possible to show the MAC addresses passing over a standard MPLS encapsulated xconnect?
In the ...
- 5,290
6
votes
1
answer
1k
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 ...
- 8,117
8
votes
3
answers
17k
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 ...
- 263
13
votes
2
answers
2k
views
VPLS Multihoming on Junos - FEC confusion
I'm going over the VPLS multihoming options on Juniper's web site. I'm not concerned with LAG and MC-LAG for the moment.
As far as I'm aware:
FEC128 is when you are using manual discovery of ...
- 3,824
6
votes
1
answer
700
views
Suitability of Catalyst 6500/6800 with SUP2T as a provider PE device
I'm looking for a device to use as PE in a provider network. It should have the following features:
MPLS
VPLS
Q-in-Q
BGP
Reasonable buffers
IGP (OSPF/ISIS)
VLAN rewriting
The ...
- 7,498
14
votes
3
answers
5k
views
BGP signalled MPLS issues
I am having an issue getting a VPLS up using an ME3600x with 15.3(2) and BGP signalling.
@yelfathi and @packettalk have pointed me down the correct route but not sure how to resolve it.
I have 2 ...
- 141
8
votes
4
answers
4k
views
How to signal a VPLS multihoming change to a L2 CE device
We have the following setup:
Two MX routers connect to the same L2 site. Loop protection / redundancy is done via VPLS multihoming. On the other end are two switches (EX4200 for example).
When the ...
- 8,117
9
votes
2
answers
2k
views
Does Juniper set a control word on VPLS pseudowires
At the RIPE conference the was a talk about how MAC addresses starting with a 4or 6 may suffer from decreased performance because MPLS routers misinterpret the Ethernet packets as an IPv4/6 packet ...
- 8,117