10
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Leased Lines vs MPLS
One major difference between the two is that leased lines are generally more expensive than MPLS and can also be more reliable and offer higher bandwidth, because they are not shared.
MPLS on the ...
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9
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Why does MPLS need an IGP (like OSPF) in order to work?
Why does MPLS need an IGP (like OSPF) in order to work?
In an MPLS network, OSPF is not used to route customer traffic. It is only used to provide routing for the internal provider network so that ...
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8
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Why does MPLS use labels to make forwarding decisions instead of destination IP addresses?
I think what you're really asking is, "Why use MPLS instead of traditional routing?"
One of the major reasons (probably the reason) people use MPLS is address independence. You can have two ...
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6
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In MPLS VPN, Which one become first? MPLS Label tag or VPN encapsulation?
I think your question is not truly correct.
First of all, as explain here
"an MPLS VPN is a VPN that is built on top of an MPLS network, usually from a service provider, to deliver connectivity ...
- 161
6
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Differences between MPLS and VPLS
MPLS is a virtual "layer 3" network. The customer addresses packets by IP. The PE equipment have customer IPs and serve as customer routers. The MPLS admin needs to manage at least a little of the ...
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votes
MPLS traffic engineering
Traffic steering is actually the task that is beyond MPLS TE itself. TE tunnel just provides the path, and it's up to other protocols and techniques to steer actual traffic. The same is true for ...
- 1,133
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What is the difference between LFA and FRR?
LFA - Loop-Free Alternate(s) (also sometimes called LFA-FRR which may add to your confusion) is a feature of IGPs such OSPF and IS-IS to allow nodes to calculate alternative paths to each prefix in ...
- 9,421
5
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Have I desiged correctly my MPLS network?
This is quite complex to answer in simple set of questions, but let's try:
Yes, it's possible to have internet connectivity by means of MPLS cloud, but it either means you need to self-deploy MPLS L3 ...
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How can I find out if a path across an internet uses MPLS?
You cannot really tell the path that a packet may travel or has traveled. The packet has no record of that, and the path could change from one packet to the next because routing is dynamic. Routers ...
- 98.7k
5
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SONET/T-Carrier differences - MPLS/VPLS bandwidth
Very briefly, SONET/SDH is a high bandwidth optical WAN technology. T-carrier is an electrical (digital) WAN technology.
SONET/SDH is (was) typically used for backbone and inter-provider circuits. ...
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5
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Why does MPLS need an IGP (like OSPF) in order to work?
So, why to use also MPLS if we already had OSPF?
Downsides of IGP
Metric based: There will be a segment underutilized as you can see from the link cost. Traffic for the different networks attached ...
- 1,491
5
votes
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SD-WAN vs MPLS VPN
Ron already mentioned this in the comments but let me try to offer a little more explanation.
SD-WAN, from a vendor perspective, is offered as a solution which involve a set of technologies ...
- 400
5
votes
Pseudowire and LSP
A pseudowire (PW) uses a label-switched path to emulate a point to point circuit. They are a particular type of LSP. You can say all PW are LSPs, but all LSPs are not PWs.
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votes
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MPLS : who owns the ingress & egress routers?
For example, if company X uses ATT as the provider for MPLS, then who owns these edge routers ?
If you rent an MPLS line/link, the routers belong to your provider. Most often, you get an Ethernet ...
- 82.6k
5
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What's the difference between L2TP and L2TPv3?
Let's say that it is a 'new protocol heavily based on L2TPv2'. It shares a lot of the messages, constructs, flows with L2TPv2 but it is not strictly backwards compatible. It does have an L2TP '...
- 1,009
5
votes
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What is the difference between Targeted LDP and Directed LDP in MPLS?
Directed LDP is not a term that appears in the LDP specification (RFC 5036.)
Perhaps you're trying to understand the difference between Basic Discovery which uses LDP Link Hellos and Extended ...
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5
votes
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Transporting an Ethernet Port in a LDP Based VPLS Instance on Juniper MX routers
Yes, LDP VPLS is a pretty standard deployment. Where it can get confusing is the various types of PE-CE interface encapsulation depending upon the type of service you're running. In your case of a ...
- 7,044
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what is meaning of MPLS when compared to SD-WAN? is it dedicated MPLS or MPLS VPNs
Can anyone tell me if there is real world WAN solutions for 3 cases above
There are many. Large organizations use MPLS in their own networks, especially when they provide "services" to ...
- 67.1k
4
votes
Does one need to personally manage MLPS VPN connection to have MPLS between building or can the ISP provide this connection for you?
MPLS support is only rarely a requirement for enterprise equipment, especially relatively simple setups like the one you describe. MPLS itself is usually hidden away in the carrier networks. For your ...
- 2,449
4
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understanding Policy map bandwidth , police, shape commands
When decoding QOS policies I like to reverse engineer it. Start with the last command that was configured in regards to the QOS. This is usually the service-policy statement on the interface.
service-...
- 56
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votes
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What is an "Internet breakout"
In many large networks that span nationally or globally, all traffic including Internet traffic, flows from remote sites to a central hub, such as a data center, where Internet traffic then leaves the ...
- 67.1k
4
votes
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BGP Question please
BGP does not care if the peer is directly attached or not, as long as peers can communicate with each other, so from BGP point-of-view both topologies are strictly identical.
This is why there's an ...
- 19.5k
4
votes
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LDP based VPLS between Cisco IOS XE and Juniper MX
No outgoing label indicates that Junos doesn't have a label for the loopback you are targeting on the Cisco (your x.x.x.x address)
Confirm the following:
Your NNI interface from the Juniper has ...
- 9,421
4
votes
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WAN lines types - understanding leased line/circuit
A real leased line, could be performed with TDM on a line with for example SDH, TDH or SONET with a CSU/DSU on the customer site (a layer 1 leased line?)
This depends - usually a (rare) leased ...
- 82.6k
4
votes
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What is the difference between L2VPN and EoMPLS?
You are correct. L2VPN is the technology, and VPLS and VPWS are services configured using that technology. When someone talks about configuring an L2VPN, they could be talking about configuring any of ...
- 140
4
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BGP Juniper not reflecting to Cisco?
Ok so i now know what the problem was...
The thing is that Juniper and Cisco behaves a lot differently
Cisco:
if you have a BGP route learned but it already is in the routing table (from for example ...
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Only top scored, non community-wiki answers of a minimum length are eligible