Customer Equipment for Metro Ethernet Link

Hi All
It has been some time since I utilised Cisco network kit to provide private circuit point to point connectivity and I wonder if someone could give me a little guidence.
The customer is shortly to implement a new 100Mb Metro Ethernet link to connect two of their branches. They initially intend to use the link for data only traffic but eventually will want to route VOIP traffic across the link so bandwidth management and QoS will be essential components. It is unlikely that further links will be added to this link so built in expansion of the chosen routers may not be required.
Budget will be an issue on this so I would appreciate any advice or recomendations.
Thanks
J.

Hello James,
I think it would be better to get in touch with your Cisco Account Team as this question cannot be answered on a forum post.
Thanks,
Karim

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Alerts for metro ethernet link

Hi,
Kindly let me know " How to enable alerts for metro ethernet link"
Thanks..

Hello Gureshi,
they are probably referring to OAM, CFM and other mechanisms to detect link or service failure in metro ethernet scenarios
see
http://www.cisco.com/en/US/docs/switches/metro/me3400e/software/release/12.2_52_se/configuration/guide/swoam.html
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We recently got a metro ethernet link (45Mbps) between 2 of our offices.
Currently we do not have any QoS services from the provider on this link.
I want to implement QoS over this link. Should i treat this as a normal P2P link and do the QoS or should i also need to ask the SP to do some sort of QoS in their MEN.
Does it really matter to have the SP do QoS as well
Note:- I will be using the link purely as a L3 P2P link
Thanks in advance
Narayan

You would need the QOS on the MAN connect as well. Even though you are running a L3 P2P link you are traversing multiple L2 hops.
And where there may be contention by others traffic contending for the resources.
I believe in most cases your SP's 4 to 5 Classes would be good enough. Still you may want to understand his classes and also may want to negotiate the SLA terms.
Once this is taken care you can simply ask him to trust the incoming DSCP on the attachment circuit at his UPE.
You may also have to configure incoming DSCP trust on your Metro-CPE link which connects to you internal core routers.
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Is metro-ethernet over fiber (point-to-point) link secure ? Can someone sniff into the network (and see unencrypted data) over Metro-ethernet point-to-point link ?

You might want to read this:
http://www.cisco.com/en/US/solutions/collateral/ns341/ns522/ns3/metro_ethernet_white_paper.pdf

Metro ethernet configuration

Months agao I had a 10MB metro ethernet link installed between two of my locations within 3 miles of each other. The link is fiber with a conversion module to copper, 10MB ethernet.
I have the link on one end coming into a fastether port on a cisco 2620 router and the other end on a fastether cisco 3745.
My routing the man like a frame link, each location is on a seperate subnet.
I have not configured either end for IPsec, tunnel, etc.
I have had the line checked by the ISP, but constantly received interface resets,output errors and excessive collisons.
I feel I'm missing something from the configuration.
I have verified my equipment is fine, both fastethers have been changed so my equipment is good.
Any suggestions would be appreciated.

It is related to send a busty traffic to you Ethernet interface and check the duplex and speed for both ends (It should be match).Check any viruses updated from the local Computers. Normally collision will happen when an Ethernet or transceiver cable is too long or when there are more than two repeaters between stations. So if the error is more then automatically the interface is resets. I hope the below link provide you more information.
http://www.cisco.com/en/US/products/hw/voiceapp/ps967/products_administration_guide_chapter09186a0080194668.html
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Btw, LMS is version 3.2.
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Hi,
thanks for the advice. I'd like to be able to differentiate alarms between locations in my network. I'm attaching a drawing which presents my network. There are 2 ME links from different providers between bigger locations and edge locations. When OSPF neighborship is lost between router A and router B, meaning ME link x is down, customer would like to receive a message saying 'ME link between location A and location B is down'. When neighborship is up again, customer would like to receive a message saying 'ME link between location A and location B is up'. In my opinion, the only way to do this is by making as many Automated actions as I have locations multiplied by 4 (2 ME links - for each set and clear events). Please correct me if I'm wrong. Do you maybe have an alternative solution (maybe to differentiate between IP addresses and locations on the application that would collect LMS emails, URL or script results)?
Regards

Best way to detect failure in Metro ethernet networks

Hello ,
I am working for a well known provider and I am currently migrating one of my client from Frame-relay to Metro-ethernet link .
I am actually looking for advices on what sort of mechanism to implement to detect a failure in the ME parth .
As you probably know , failure on one of the links might cause the CE-SWITCH-PE interfaces to stay up/up and the network will not neceseraliy start converging .
So far I have implemented BFD along with IP SLA route tracking , I am happy with BFD but the IP SLA is acting "weird" .
- IP SLA ICMP tracking rely on ICMP packets and was too sensitive to packets lost
- We switched to ip route sla tracking but I am still unsure about the best way to use or implement this .
Is there some sort of best practices available somewhere for this ?
thanks ¨
T

Hello Thomas,
From what i have seen BFD is best bet as it allows to relax the L3 protocols timers ( BGP / any other protocol used between CE- PE ). Another option is to have gre tunnel between the PE - CE link and track this tunnel interface.
Regards,
Shreeram

3750 Metro ethernet switch

Folks,
I have 6500's at the core and want to use the 3750 at the PE. My question is the following:
1) 3750 would do Q-IN-Q.
2) Once the packet reaches the 6500(sup 720) running MPLS. What happens to the frame. Do i use xconnect to transfer the frame to the appropriate PE?
Just confussed about how does the PE use the Q-IN-Q information to direct it to the appropriate PE?
Sample config would be highly appreciated.
Thanks

Well.. its about product features .. you gotta compare products with your requirments at various layer of your network and to come out with justification of your requirments . Any ways below is snippet for you to have some justification between two products
===============================================
What is the difference between the Cisco Catalyst 3750 Metro Series and the Cisco Catalyst 3750 Series?
The Cisco Catalyst 3750 Metro Series is built for Metro Ethernet access in a customer location, enabling the delivery of more differentiated Metro Ethernet services. These switches feature bidirectional hierarchical QoS and Traffic Shaping; intelligent 802.1Q tunneling with class-of-service (CoS) mutation; VLAN translation; MPLS, EoMPLS, and Hierarchical Virtual Private LAN Service (H-VPLS) support; and redundant AC or DC power. They are ideal for service providers seeking to deliver profitable business services, such as Layer 2, Layer 3, and MPLS VPNs, in a variety of bandwidths and with different SLAs. With flexible software options, the Cisco Catalyst 3750 Metro Series offers a cost-effective path for meeting current and future service requirements from service providers.
The standard Cisco Catalyst 3750 Series is an innovative product line for midsize organizations and enterprise branch offices. Featuring Cisco Systems® StackWise technology, Cisco Catalyst 3750 Series products improve LAN operating efficiency by combining industry-leading ease of use and high resiliency for stackable switches.
What is the Metro Ethernet positioning of the Cisco Catalyst 3750 Metro Series, the Cisco Catalyst 3550 Series, and the Cisco Catalyst 2950 Series?
Cisco Catalyst 3750 Metro Series Switches
=========================================
Cisco Catalyst 3750 Metro Series switches are a new line of premier, customer-located switches that bring greater intelligence for Metro Ethernet access, enabling the delivery of more differentiated Metro Ethernet services. These fixed configuration switches feature bidirectional hierarchical QoS and Traffic Shaping; intelligent 802.1Q tunneling; VLAN translation; MPLS, EoMPLS, and H-VPLS support; and redundant AC or DC power. They are ideal for service providers seeking to deliver profitable business services, such as Layer 2, Layer 3, and MPLS VPNs, in a variety of bandwidths and with different SLAs. With flexible software options, the Cisco Catalyst 3750 Metro Series offers a cost-effective path for meeting current and future service requirements from service providers.
Cisco Catalyst 3550 Series Switches
==================================
With a range of Fast Ethernet, Gigabit Ethernet, DC power, and fiber configurations, the Cisco Catalyst 3550 Series is an intelligent metro access switch for service providers serving the enterprise and small and medium-sized business markets. Featuring 802.1Q tunneling, high-performance IP routing, and subsecond Spanning Tree Protocol convergence, this line of powerful, cost-effective, fixed-configuration switches enables Metro Ethernet services such as Transparent LAN services and business-class Internet access.
Cisco Catalyst 2950 Series Switches
===================================
Ideal for Metro Ethernet access in residential markets, the Cisco Catalyst 2950 Series is an affordable line of fixed-configuration Fast Ethernet and Gigabit Ethernet switches. Featuring advanced rate limiting, voice VLAN support, and multicast management, these switches enable residential Metro Ethernet services such as Internet access, voice over IP (VoIP), and broadcast video.
Hope it helps
Ps rate this post if it helps u ..
Thanks and Regards
Raj

Metro Ethernet in RAIL Transportation (MRTS) applications

Dear Sir,
I have a query related to Metro Ethernet technology.
We are into TRANSPORTATION SYSTEMS. We are coming up with a MRTS Project in Mumbai , India. We are at a planning stage at the moment. As per our experience, companies in RAIL MRTS Applications are using SDH technology (MUX and access multiplexers).
Could you please suggest , should we go for METRO ETHERNET of SDH Technology.
Are there any players/ any Metro Projects who have implemented Metro Ethernet ( instead of SDH).

Hi Pankaj
What kinda applications you are going to use and what kinda bandwidth requirement you have in place ?
Also do revert back the number of locations and a bit more onto your topology which mite help to get back with our suggestions..
regds

Customer for equipment for valid period?

Dear SAPIENTS,
I want to maintain an equipment which is at customer site for 3 month lease and after that it will come to my location. Now how can i keep track that from which date its at customer site and how many days passed?
Regards,

I am afraid this was not mentioned in your original query.
I agree with Pete, you need a development.
-Seran
Edited by: Seran K on Aug 3, 2009 9:41 AM

Update Customer number for an equipment

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Can we update customer number for an equipment using any BAPI?
Please Check T-Code IE02, Other tab.
Thanks
Amit

Thanks Babu.
Here is the error message and message #
Serial number XXXX does not exist for material YYYYYY
Message no. IS137
Diagnosis
The serial number that you have entered for the material does not exist in your system.
System response
Processing will not be continued.
Procedure
Enter a valid serial number.
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Switch vs. Router for Metro-E Customer Premise Solution

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I think it should be more feature driven. i.e. basic connectivity then simple switches - policy control etc then use a router.

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Download link custom action for video files

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Hi,
According to your post, my understanding is that you want to custom action for context menu in "Site Content and Structure" in SharePoint 2010.
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To add the “My Like” menu, we can add the code below:
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Metro ethernet and ethernet

Hi all,
I am new to metro ethernet concept. Can someone give me a head start and also, what are the differences in ME switches and normal switches ?

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Posting
As Peter wrote, Metro Ethernet is a vast topic. However, from a non-provider perspective, the idea is to allow interconnecting widely physically separated (your) site networks just about as simply and similar to connecting your LAN together at one of your sites. I.e. you just connect different (your) site devices with an Ethernet connection, and you use that connection pretty much like you would any other Ethernet link between your devices.
From a carrier or MAN provider perspective, running a widely distributed, multiple customer Metro Ethernet (or a carrier Ethernet) network, you'll want some features not found in (as you say) "normal" Ethernet equipment.
What's different about Metro Ethernet switches is they generally offer features not found in "normal" Ethernet switches. Again, from a non-provider perspective, you often only need/desire a few additional features (and for that reason, it's not uncommon for non-providers to use "normal" Ethernet switches with Metro E - I've also seen Metro E switches used with "ordinary" LAN Ethernet networks). From a provider's (carrier's) perceptive, you'll really want more features. Because of these two perspectives, you'll often find Metro Ethernet switches marketed to non-providers, and Carrier Grade Ethernet switches marketed to the MAN Ethernet providers.

Customer Equipment for Metro Ethernet Link

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