Questions tagged [mpls]
57 questions
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MPLS label prefixes
This might sound crazy and unholy but is it possible to have MPLS prefixes like IP prefixes. MPLS label like an IP address is just a number (20 vs 32bits). There is no reason we can't have a MPLS prefix and mask similar to IP. The reason for…

Bruce
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Network Balancing / Failover with MPLS and IPSEC Tunnels
I currently manage several office locations which each have two internet connections, a DSL line and some bonded T1 lines. Currently, the DSL line is used for the internet and the bonded T1 lines are used for site-to-site IPSEC VPN tunnels for the…

Kyle Brandt
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same label along MPLS label switched path, is it possible?
I am a true beginner as far as MPLS is concerned and I was wondering if this would be possible; To be more specific assume a LSP (Label Switched Path) from
Host A -> Router 1-> Router 2 -> Router 3 -> Host B
Each of the above routers would be a…

user113478
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Route IP from one vlan to another vlan in the same vrf of the same router
Can you route a IP (/32) from one vlan to another vlan in the same vrf of the same router ?
Exemple:
example_router#show version
Cisco IOS Software, c7600s72033_rp Software (c7600s72033_rp-ADVIPSERVICESK9-M), Version 12.2(33)SRD6, RELEASE SOFTWARE…

Radu Maris
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Unequal Cost Load Balancing via MPLS TE
Given the following network, with all sites' network routing tables built via OSPF:
Site_A
|
Site_A_router
| \
| Intermediate_site_C_router -- Other_sites
| |
| Intermediate_site_D_router
…

Oesor
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Public addressing inside MPLS
Question on MPLS connectivity to a new Cloud Voice Offering:
My cloud service is deployed in a service provider data center, and I can obtain an MPLS connection from them, as well as a direct internet connection to the backbone.
My service is…

Steve Carr
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Providing internet access to users in an Enterprise (MPLS ) Network
Scenario
I'm planning to setup a typical Head Office - Branch Office(s) Network Setup.
there will be 25 branch offices in India of two will be overseas (one in US and the other in UK). All these will be connected via MPLS.
Additional details:
No of…

Vivek Bernard
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how to calculcate MTU in L2 VPNs?
How does mtu calculation work with L2 VPNs? Sample topology is:
CE---PE---MPLS---PE---CE
Where and how would you implement MTU calculcation? What will decide how much MTU should be? I have different LSPs running in the MPLS network. Does LSPs have…
user8328
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Choosing protocol/method of connecting branch offices or datacentres
I have experience of openvpn, ciscos ipsec tunnels and alike but I wonder in what situation one would benefit from using a MPLS instead? If I understand it correctly, MPLS is L2 (but is sometimes referred to as layer 2.5, for unknown reasons to me),…

3molo
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About MPLS label range
In most routers or switches that support MPLS, if transit label and uhp LSP label need to have a different label range? when protocol(LDP or BGP) assign labels, I know that VPN label and LSP tunnel label have different range, but I'm not very clear…

FLYFLY
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GCP network setup
I am currently looking at GCP to use as an addition within our existing infrastructure. I am looking at trying to set up a vrf so I can keep this traffic isolated from my current setup, I can't find any documentation regarding vrfs or MPLS at all…

A.Doe
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RSTP over tunnel?
tl;dr: Is it possible to run RSTP over l2tp or MPLS?
We have leased one gig capacity from a service provider's network, over which we sent a udp multicast traffic. The provider gives us drop at our PoPs at different locations and we terminate the…

Raj
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What is the best way to divert an IP address between two remote locations?
I would like to ask the community thoughts on the following.
I have two data centers, one up 'Norf, and one down South
Both are isolated in terms of network, but both have public IPs on a dedicated private circuit.
There is no MPLS between the two…

TMarkey
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Notation used in Router configuration diagrams
I was listening to an MPLS tutorial on youtube.MPLS tutorial
I came across this diagram.
I am not that familiar with router configuration.My questions are as follows.
1) what does G1/0, G2/0, G3/0 and G4/0 shown in the diagram represent?
It would be…

liv2hak
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Layer 3 switch redundancy solution (with vlan's, stp)
So basicly I have a setup which I want to get to work but i'm unable to.
It's possible I am overseeing a lot of things but let's get to it anyways.
The current situation is a network with 4 switches connected to each other (almost a full mesh, 1…

Ciberth
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