Question regarding LAN to WAN setup.....

Hi everyone,
I'm pretty new at routing and don't have much experience in it other than what I've learned in CCNA. I'm going for my CCNP now and am starting to study for ROUTE. As such, I need to lab, lab, lab.
Please bear with me as I'm pretty much new at a lot of this stuff.
I have a 2600 and currently, it only has one Ethernet port. I'd like to get a WAN card/WIC for it but I'm not exactly sure which one I should get (or if one even exists.)
I do have an extra T1 CSU/DSU card but I don't think I can use that to connect to anything but a T1 line, which I don't have. (Note this is going to connect to one of my home Linksys Smart router's ports so as to have a LAN to WAN setup. The Linksys provides Internet access throughout the house.)
I did try to connect the T1 card to one of the Linksys's LAN ports but I'm not getting any activity at all. (This leads me to believe this card is SOLELY to connect to a T1.)
Basically, I'd like to have the Linksys on one network and the Cisco on a completely different network and have the two networks communicate with each other after configuring the appropriate routing protocol. I've already tried this using ROAS utilizing VLANs and it worked perfectly but I now want to try it with completely different networks. For example, my Linksys will be on 192.168.x.x and the Cisco will be on say, 10.1.x.x.
Does Cisco offer a WAN card for my 2600 that isn't T1 and that will work with one of the Linksys's ports to accomplish this?
I think I've read there is the NM-1E module that would give me an extra port. But is that used as a LAN port or a WAN port? Can an extra LAN card act as a WAN card if I simply configure it for the different network?
Thanks!

Disclaimer
The Author of this posting offers the information contained within this posting without consideration and with the reader's understanding that there's no implied or expressed suitability or fitness for any purpose. Information provided is for informational purposes only and should not be construed as rendering professional advice of any kind. Usage of this posting's information is solely at reader's own risk.
Liability Disclaimer
In no event shall Author be liable for any damages whatsoever (including, without limitation, damages for loss of use, data or profit) arising out of the use or inability to use the posting's information even if Author has been advised of the possibility of such damage.
Posting
T1 CSU/DSU is a different physical technology from Ethernet. It's often possible to connect two such interfaces, back-to-back, if two routers have these modules; doubtful your Linksys does.
It's been a long time since I've worked with a 2600, but some models might have various options to add another Ethernet port and/or replace the T1 CSU/DSU module with one. Cisco's main web site should have that information.
BTW, old hardware should be able configure basic routing, but if you're going for a CCNP, you might be unable to try out some newer IOS features you'll be expected to know and understand.

Similar Messages

Lan and Wan port on Airport express

Hi guys I am wondering if you could help me out with my airport express.
I recently bought an airport express and have it set up as the following:
Router--->ethernet cable in to the Wan of Airport express--->ethernet from Airport Express Lan to computer
This is so that I have hardwired internet to my gaming computer and wifi in my room for all my devices. The problem is, however, next year I will not be in a situation that allows me the same setup. I will be too far away to run an ethernet cable from the router to the airport express. So I have decided I shall use it to join the network wirelessly and relay internet through both the Wan and Lan port (think this is called bridge mode?). I was also intending on connecting an ethernet hub to one of the ports so that I can connect multiple devices, smart tv, macbook, ps3 etc. But having one of the ports exclusively to my gaming pc.
My question is, with both Lan and Wan ports relaying internet to multiple devices, would I see a drop in performance, in particular in regard to my compter? Or is the airport express able to join both the 2.4GHz or 5GHz and relay each connection to a specific lan port?
Unfortunately I am not in a position to test this yet, lacking a 5GHz connection in my halls, so I would appreciate if anyone could help shed some light.
Thank you

is the main router also an apple product? if so, then yes you can extend wirelessly, but if the main router is an apple product, why are you bothering to extend wirelessly at all when the main router's signals should be strong enough?
if the main router is NOT an apple router, then you wil NOT be able to extend it wirelessly period.
in my experience, there are very FEW places you NEED to extend a network wirelessly, and i always recommend against it since there is a big performance decrease.
In the case of a wirelessly extended network, throughput may be reduced to less than 60 percent of that of a single device.
http://support.apple.com/kb/HT4145

Load balance on routers LAN and WAN

Hi ;
I have a setup where i need to implement load balance on 2 routers in both sides ,LAN and WAN , and there is ASA in the LAN side , my question is that when do load blance in LAN side using GLBP how the 2 ASA's will act on this because they will have only 1 default gateway IP address .
Thanks

Not Harbi
Not entirely sure i understand the question but i'll try to answer based on a few assumptions.
It sounds like you have a pair of ASA devices on the LAN side. Assuming they are in active / failover then they will appear as one IP address to the routers - a VRRP address. When the ASA arps out for the default gateway address they will get one of the virtual mac addresses back from the AVG.
They will send traffic to that mac address ie. they won't load balance.
The load balancing aspect comes in when another host on the LAN then arps out for the default gateway and the AVG assigns it a different virtual mac address tied to a different router. But as the ASA pair always appear as one host entity they will always be tied to one of the routers at any one time.
Hope this covers what you were asking
Jon

Simplest dual-WAN setup for LRT224 ?

Hi folks
Hope someone can help with some insight / advice here.
First, some background :
For a while I’ve been using a conventional ADSL modem-router device to connect to my primary ISP, and thereby provide internet connectivity to a number of desktop PCs, laptops and other mobile devices in a small office environment. I plug the “output” (LAN port) of the ADSL modem-router into a switch, and I also plug a dual-band wireless access point (WAP) into the switch to provide wireless access for the mobile devices. Generally this all works fine.
One problem of course is that if/when my ISP goes down - which does happen occasionally - I have no internet. Also, I am starting to need extra bandwidth, and ADSL connectivity has pretty much reached its speed ceiling in my area. So I’ve been looking at ways of providing redundancy and higher speed by having multiple connections, possibly with different technologies and different ISPs. One option is to go with multiple ADSL connections; another (perhaps better) option is to go with a high-speed fixed-wireless (LTE) connection. With LTE, I can easily get over 30Mbps, so I’ve gone with that option for now. FTTH may be an option on the future. Obviously I needed a 2- or 3-WAN router device to do the connection management.
I had a preference for a dual-WAN router that isn’t tied to any particular communication technology (like ADSL, or VDSL) to give a degree of future-proofing for new technologies like FTTH. I prefer modem devices that have a conventional ethernet port as an output, and hence router devices that have ethernet ports for WAN inputs. This eliminates “combined” devices like Draytek’s “Vigor” ADSL+WAN modem-routers, or routers that have provision to connect a USB 3G stick modem for failover.
While shopping around, I looked at options like the Cisco RV042/043, the Peplink Balance 20/30, and the Belkin/Linksys LRT224. The LRT224 seemed to offer a reasonable compromise between price, features and performance, so I went with it.
Both my CPE devices are combined modem-routers that completely manage the connection to their respective ISPs, presenting me simply with an ethernet port (or ports) for connection to my local LAN. Specifically, I’m using a D-Link DSL-2500U ADSL modem (1 LAN port) and a Huawei B593s-601 LTE modem (4 LAN ports). Both include the usual functions such as DHCP server, NAT, firewall etc. Previously I’d always give the ADSL modem a fixed IP, and then it let it handle DHCP for the whole of the downstream network. So far, so good.
My requirements for now are pretty straightforward :
- Simple failover operation, ie if one ISP (WAN) goes down, the router should transparently and quickly re-route traffic to the other ISP.
- Load-balancing, ie the ability to apportion traffic between the two ISPs according to a number of different algorithms. Ideally I would want to see options like : equal traffic (bytes) per ISP, % traffic split (eg 60:40), pro-rata split based on connection speed or latency, etc etc ..
- Ability to log into the ‘Web control panel for any of the three devices (LTE modem, ADSL mode, or dual-WAN router) directly from the office LAN without unplugging or re-cabling anything.
- I've no need to use the VPN functionality on the LRT224 at the moment, though that might come later.
Here’s where I need some input and help :
So far, the only way I’ve been able to get this all to work together is as follows :
1) Set up the ADSL modem with a fixed IP of 192.168.1.1 and let it do DHCP on a range like 192.168.1.50/149.
2) Set up the LTE modem with a fixed IP of 192.168.2.1 and let it do DHCP on a range like 192.168.2.50/149.
3) Set up the LRT224 to get WAN-side IP’s from the upstream devices on both WAN1 and WAN2.
4) Set the LRT224 in “Gateway” mode.
5) Set up the LRT224 with a fixed IP of 192.168.0.1, and to issue downstream DHCP IP addresses in the range 192.168.0.50/149.
What I've noticed in trying to get this all to work is the following:
6) This only works (and gives visibility of all 3 devices) when the two modem devices are on different subnets (like 192.168.1.x and 192.168.2.x). Trying to put them both on the same subnet as the downstream side (all on 192.168.0.x) just doesn't work, or one device is not visible.
7) This only works with the LRT224 in "Gateway" mode, even though "Router" mode seems more fitting.
The setup given above (1 through 5) does work, and gives a situation like the following :
Failover works OK, and I can see any of the three edvices from the office LAN by connecting to any of the assigned IPs.
However, the problem is that the throughput really sucks.
If I connect the LTE modem (only) direct into the office LAN, I get in excess of 20Mbps downlink speed. However, when connecting via the LRT224, I don't even get half that speed, even if the LRT224 is in simple failover mode and the ADSL modem is turned off or out of the picture.
Given that the LRT224 isn't "processing" the packets at all, and there's no VPN overhead, I find it hard to understand why it sucks up over 50% of the throughput. Also, the reviews I read on the LRT224 listed throughputs in the hundreds of Mbps, so this really shouldn't even be a factor. Also, having the LRT224 eat half the throughput partly defeats the one object (higher speed).
So my question is : Is the above setup really the way to do what I want ? Or is there a better way ? The upstream arrangements with dual DHCP on different subnets seems overly complex. Is there a simpler way with PPoE, or PPTP, etc ?
What might I be doing wrong ?
Any input or advice would be much appreciated.
Thanks

Thanks for the suggestions, guys; although I've pretty much covered all of those things.
For info :
1) The router came with firmware v1.0.0.9 (Nov 25, 2013 - the initial release), but I have updated it to the latest v1.0.2.06 (Mar 28, 2014). (This is the third release in 4 months, so it seems Linksys is working fairly actively on LRT2x4 firmware).
2) I have the "Maximum Bandwidth" figures (reached at Configuration / System Management / Bandwidth Management) set to the appropriate values, including a maximum downstream value of 61 440kbps (60Mbps) for the WAN port to which the LTE modem is connected. My understanding, though, is that the LRT224 doesn't DO anything with this information unless there are one or more bandwidth management policies set. (My understanding may be wrong, and the manual isn't much help). I have no bandwidth management policies set.
3) I did try disabling all of the firewall rules as suggested by Flybyknight - no improvement.
One interesting (and unintended / undesired) consequence of my setup is that I can only "see" the configuration pages (web interfaces) for both upstream modems (ADSL and LTE) when the router is in "Load Balance" mode. If it is in "Failover" mode and the primary WAN is up, then I can't see the modem on the secondary (failover) WAN. I assume this is because traffic is only being routed to the active WAN port.
I guess my uncertainty is more about the upstream setup, ie the way in which the upsream-facing WAN ports on the LRT are configured to talk to the downstream-facing LAN ports on the respective modems.
The user guide for the LRT224 is really poor, unfortunately. It doesn't explain the actual workings of the various features at all. For instance, it does not explain what the ACTUAL working of "load balance" is. Does the device route the same amount of traffic (bytes) to both WAN ports, or does it do so in proportion to their configured speeds ? Proper explanations for these features are really indispensable! Belkin/Linksys, are you listening ??

Question regarding ONT connection via Ethernet and Cable cards

Hi,
We recently upgraded to Fios Quation 150Mbps/65 plan. We are not getting the advertised speeds (we only get like 5mbps upload) so verizon is sending a tech to switch the ONT connection from coax to ethernet.
I have 2 questions regarding this new setup:
1. If the ONT communicates with the Fios Actiontect router via ethernet instead of coax from now on, How will the set top boxes and Tivo-esque cable card powered device I currently have connected to coax, talk to the verizon system from now on, if coax is taken out of the equation? Will fios signal still flow through the internal coax wiring of the house? And moreover, I was under the impression that coax was the way set top boxes communicated and derived independent ip addresses from the Fios router, for on deman purposes and what not. How will this work from now on?
Quiestion 2.
Right next to the wall where the ONT sits, theres's a basement office where we have a PC that connects to the Fios system via an Actiontect MoCa adapter (ECB2500C) which I assume derives it internet connection from the Fios Actiontec router which sits upstairs in the living room.
Again, with the Coax about to be disabled next Friday in favor of ethernet connection from the ONT, I assume this PC will be left without internet because of the lack of internet signal in the coax? Is this correct?
Question 2.5 If my above assumption is correct, since this office is right on the other side of the wall where the ONT sits outside the house, would it be possible to run an ethernet wire through the wall that connects straight from the ONT to an ethernet switch inside the office, from which I would derive a connection for this basement PC (properly firewalled of course) and then, from said switch, continue running the ethernet wire that would ultimately reach the Actiontec Fios router upstairs from which the rest of the house derives it's internet? and would this setup affect in any way the propper functioning of the cable boxes in the house?
I'd appreciate your input and any help you can provide so I can have a ballpark idea of what to tell the Fios guy to do when he comes on Friday.
Cheers.
Solved!
Go to Solution.

It's not valid to have two devices connected to the ONT, PC and VZ Router. Must be a single device. The ONT locks onto the MAC Address of the first device it sees. Since you have TV you should have the VZ router as the internet facing router.
Other options:
1. Have the VZ Router located next to the PC in the basement and then use Wireless for all other PC's.
2. Have the VZ Router located next to the PC in the basement but run one wire upstairs and connect a switch where other PCs and devices can connect via a wire.
Hope that helps.

I have some questions regarding setting up a software RAID 0 on a Mac Pro

I have some questions regarding setting up a software RAID 0 on a Mac pro (early 2009).
These questions might seem stupid to many of you, but, as my last, in fact my one and only, computer before the Mac Pro was a IICX/4/80 running System 7.5, I am a complete novice regarding this particular matter.
A few days ago I installed a WD3000HLFS VelociRaptor 300GB in bay 1, and moved the original 640GB HD to bay 2. I now have 2 bootable internal drives, and currently I am using the VR300 as my startup disk. Instead of cloning from the original drive, I have reinstalled the Mac OS, and all my applications & software onto the VR300. Everything is backed up onto a WD SE II 2TB external drive, using Time Machine. The original 640GB has an eDrive partition, which was created some time ago using TechTool Pro 5.
The system will be used primarily for photo editing, digital imaging, and to produce colour prints up to A2 size. Some of the image files, from scanned imports of film negatives & transparencies, will be 40MB or larger. Next year I hope to buy a high resolution full frame digital SLR, which will also generate large files.
Currently I am using Apple's bundled iPhoto, Aperture 2, Photoshop Elements 8, Silverfast Ai, ColorMunki Photo, EZcolor and other applications/software. I will also be using Photoshop CS5, when it becomes available, and I will probably change over to Lightroom 3, which is currently in Beta, because I have had problems with Aperture, which, until recent upgrades (HD, RAM & graphics card) to my system, would not even load images for print. All I had was a blank preview page, and a constant, frozen "loading" message - the symbol underneath remained static, instead of revolving!
It is now possible to print images from within Aperture 2, but I am not happy with the colour fidelity, whereas it is possible to produce excellent, natural colour prints using its "minnow" sibling, iPhoto!
My intention is to buy another 3 VR300s to form a 4 drive Raid 0 array for optimum performance, and to store the original 640GB drive as an emergency bootable back-up. I would have ordered the additional VR300s already, but for the fact that there appears to have been a run on them, and currently they are out of stock at all, but the more expensive, UK resellers.
I should be most grateful to receive advice regarding the following questions:
QUESTION 1:
I have had a look at the RAID setting up facility in Disk Utility and it states: "To create a RAID set, drag disks or partitions into the list below".
If I install another 3 VR300s, can I drag all 4 of them into the "list below" box, without any risk of losing everything I have already installed on the existing VR300?
Or would I have to reinstall the OS, applications and software again?
I mention this, because one of the applications, Personal accountz, has a label on its CD wallet stating that the Licence Key can only be used once, and I have already used it when I installed it on the existing VR300.
QUESTION 2:
I understand that the failure of just one drive will result in all the data in a Raid 0 array being lost.
Does this mean that I would not be able to boot up from the 4 drive array in that scenario?
Even so, it would be worth the risk to gain the optimum performance provide by Raid 0 over the other RAID setup options, and, in addition to the SE II, I will probably back up all my image files onto a portable drive as an additional precaution.
QUESTION 3:
Is it possible to create an eDrive partition, using TechTool Pro 5, on the VR300 in bay !?
Or would this not be of any use anyway, in the event of a single drive failure?
QUESTION 4:
Would there be a significant increase in performance using a 4 x VR300 drive RAID 0 array, compared to only 2 or 3 drives?
QUESTION 5:
If I used a 3 x VR300 RAID 0 array, and installed either a cloned VR300 or the original 640GB HD in bay 4, and I left the Startup Disk in System Preferences unlocked, would the system boot up automatically from the 4th. drive in the event of a single drive failure in the 3 drive RAID 0 array which had been selected for startup?
Apologies if these seem stupid questions, but I am trying to determine the best option without foregoing optimum performance.

Well said.
Steps to set up RAID
Setting up a RAID array in Mac OS X is part of the installation process. This procedure assumes that you have already installed Mac OS 10.1 and the hard drive subsystem (two hard drives and a PCI controller card, for example) that RAID will be implemented on. Follow these steps:
1. Open Disk Utility (/Applications/Utilities).
2. When the disks appear in the pane on the left, select the disks you wish to be in the array and drag them to the disk panel.
3. Choose Stripe or Mirror from the RAID Scheme pop-up menu.
4. Name the RAID set.
5. Choose a volume format. The size of the array will be automatically determined based on what you selected.
6. Click Create.
Recovering from a hard drive failure on a mirrored array
1. Open Disk Utility in (/Applications/Utilities).
2. Click the RAID tab. If an issue has occurred, a dialog box will appear that describes it.
3. If an issue with the disk is indicated, click Rebuild.
4. If Rebuild does not work, shut down the computer and replace the damaged hard disk.
5. Repeat steps 1 and 2.
6. Drag the icon of the new disk on top of that of the removed disk.
7. Click Rebuild.
http://support.apple.com/kb/HT2559
Drive A + B = VOLUME ONE
Drive C + D = VOLUME TWO
What you put on those volumes is of course up to you and easy to do.
A system really only needs to be backed up "as needed" like before you add or update or install anything.
/Users can be backed up hourly, daily, weekly schedule
Media files as needed.
Things that hurt performance:
Page outs
Spotlight - disable this for boot drive and 'scratch'
SCRATCH: Temporary space; erased between projects and steps.
http://en.wikipedia.org/wiki/StandardRAIDlevels
(normally I'd link to Wikipedia but I can't load right now)
Disk drives are the slowest component, so tackling that has always made sense. Easy way to make a difference. More RAM only if it will be of value and used. Same with more/faster processors, or graphic card.
To help understand and configure your 2009 Nehalem Mac Pro:
http://arstechnica.com/apple/reviews/2009/04/266ghz-8-core-mac-pro-review.ars/1
http://macperformanceguide.com/
http://www.macgurus.com/guides/storageaccelguide.php
http://www.macintouch.com/readerreports/harddrives/index.html
http://macperformanceguide.com/OptimizingPhotoshop-Configuration.html
http://kb2.adobe.com/cps/404/kb404440.html

I have a question regarding emails being marked as unread when syncing with an exchange account.

I have a question regarding emails being marked as unread when syncing with an exchange account.
In the evening I can see I have 10 unread emails on my exchange account. I leave them unread. The following day, at work, I view and read all my mails from today and yesterday, so that I have NO unread messages. When I then sync my iphone it marks only the mails from today as read but, leaves all the mails from yesterday marked unread. Only solution so far is for me to go through the mails on my iphone one at a time for them to be marked as read.
My mail account is set to sync 1 month back.
I have had this problem on all the iphones I have had.
I currently have an iPhone 5 and my software is up to date.
What am I doing wrong?

Hey kabsl,
Thanks for the post.
What type of email account is attached to your BlackBerry Z10? (POP3, IMAP, Exchange). Also have you tried removing and re-adding the email account to test?
Is this email account only setup on one computer or several computer?
I look forward to your reply.
Cheers.
-ViciousFerret
Come follow your BlackBerry Technical Team on Twitter! @BlackBerryHelp
Be sure to click Like! for those who have helped you.
Click Accept as Solution for posts that have solved your issue(s)!

Question Regarding Mesh with 3702 and non AC ap´s

Hello!
quick question regarding MESH deployments with 2 different sorts of AP´s: AC and non-AC modells: If my 3702i is my root AP´s, and 3602i my MAP - will AC still work in 80Mhz, or will I have to switch to 40mhz (and thus crippling (???) AC performance?)
Not 100% sure on this... I *think* it should still work for the normal 802.11n connection, but I´m not sure if the 80mhz channel width (needed??) for AC, will cause the non-ac 3602i to be stranded?
Thanks alot for your insight!

Currently, my network DHCP server is a software based DHCP server. In reading over your post if I understood correctly it sounds like the managed switch would have its own hardware based DHCP server to assign IP addresses to those clients identified on the "external" VLAN. Did I understand that correctly or did misread something?
DHCP server will be software based, even though you defined it on your switch, it is DHCP service running on its OS.
I am configuring this setup for a small business application and will need to purchase a managed switch with 16 or 24 ports. Do you have any recommendations on a particular managed switch that will handle the VLAN configuration and include POE while keeping costs in mind.
In this forum, most of us discussed about Cisco enterprise grade wireless. Here is 2960X series switch detail, if you are interested
http://www.cisco.com/c/en/us/products/switches/catalyst-2960-x-series-switches/index.html
You may need to check the pricing with your Cisco account manager or from a Cisco partner.
HTH
Rasika
**** Pls rate all useful responses ****

UCCX 8.0 switching network deployment from LAN to WAN

I have a UCCX 8.0.2 HA setup that was installed in a LAN enviroment. I now need to change that to a WAN setup. A good documnet would be great. Thanks.

/* Style Definitions */
table.MsoNormalTable
{mso-style-name:"Table Normal";
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-qformat:yes;
mso-style-parent:"";
mso-padding-alt:0in 5.4pt 0in 5.4pt;
mso-para-margin:0in;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:"Times New Roman";
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;}
For information about HA Deployment over WAN, see these sections of the 8.0.1 Installation Guide PDF:
http://www.cisco.com/en/US/docs/voice_ip_comm/cust_contact/contact_center/crs/express_8_0/installation/guide/uccx801ig.pdf:
"Important Considerations" on page 10
"Performing Initial Setup for the Second Node" on page 72http://www.cisco.com/en/US/docs/voice_ip_comm/cust_contact/contact_center/crs/express_8_0/installation/guide/uccx801ig.pdf
This related information might also be useful:
WAN/LAN Restrictions
http://www.cisco.com/en/US/docs/voice_ip_comm/cust_contact/contact_center/crs/express_8_0/configuration/guide/uccx801ag.pdf
Expected Behaviour During a Failover
http://www.cisco.com/en/US/docs/voice_ip_comm/cust_contact/contact_center/crs/express_8_0/reference/guide/uccx80_eb_failover.pdf
Please let us know if these docs provide the information you need.
Linda

Question regarding DocumentDB RU consumption when inserting documents & write performance

Hi guys,
I do have some questions regarding the DocumentDB Public Preview capacity and performance quotas:
My use case is the following:
I need to store about 200.000.000 documents per day with a maximum of about 5000 inserts per second. Each document has a size of about 200 Byte.
According to to the documentation (http://azure.microsoft.com/en-us/documentation/articles/documentdb-manage/) i understand that i should be able to store about 500 documents per second with single inserts and about 1000 per second with a batch insert using
a stored procedure. This would result in the need of at least 5 CUs just to handle the inserts.
Since one CU consists of 2000 RUs i would expect the RU usage to be about 4 RUs per single document insert or 100 RUs for a single SP execution with 50 documents.
When i look at the actual RU consumption i get values i don’t really understand:
Batch insert of 50 documents: about 770 RUs
Single insert: about 17 RUs
Example document:
{"id":"5ac00fa102634297ac7ae897207980ce","Type":0,"h":"13F40E809EF7E64A8B7A164E67657C1940464723","aid":4655,"pid":203506,"sf":202641580,"sfx":5662192,"t":"2014-10-22T02:10:34+02:00","qg":3}
The consistency level is set to “Session”.
I am using the SP from the example c# project for batch inserts and the following code snippet for single inserts:
await client.CreateDocumentAsync(documentCollection.DocumentsLink, record);
Is there any flaw in my assumption (ok…obviously) regarding the throughput calculation or could you give me some advice how to achieve the throughput stated in the documentation?
With the current performance i would need to buy at least 40 CUs which wouldn’t be an option at all.
I have another question regarding document retention:
Since i would need to store a lot of data per day i also would need to delete as much data per day as i insert:
The data is valid for at least 7 days (it actually should be 30 days, depending on my options with documentdb).
I guess there is nothing like a retention policy for documents (this document is valid for X day and will automatically be deleted after that period)?
Since i guess deleting data on a single document basis is no option at all i would like to create a document collection per day and delete the collection after a specified retention period.
Those historic collections would never change but would only receive queries. The only problem i see with creating collections per day is the missing throughput:
As i understand the throughput is split equally according to the number of available collections which would result in “missing” throughput on the actual hot collection (hot meaning, the only collection i would actually insert documents).
Is there any (better) way to handle this use case than buy enough CUs so that the actual hot collection would get the needed throughput?
Example:
1 CU -> 2000 RUs
7 collections -> 2000 / 7 = 286 RUs per collection (per CU)
Needed throughput for hot collection (values from documentation): 20.000
=> 70 CUs (20.000 / 286)
vs. 10 CUs when using one collection and batch inserts or 20 CUs when using one collection and single inserts.
I know that DocumentDB is currently in preview and that it is not possible to handle this use case as is because of the limit of 10 GB per collection at the moment. I am just trying to do a POC to switch to DocumentDB when it is publicly available.
Could you give me any advice if this kind of use case can be handled or should be handled with documentdb? I currently use Table Storage for this case (currently with a maximum of about 2500 inserts per second) but would like to switch to documentdb since i
had to optimize for writes per second with table storage and do have horrible query execution times with table storage because of full table scans.
Once again my desired setup:
200.000.000 inserts per day / Maximum of 5000 writes per second
Collection 1.2 -> Hot Collection: All writes (max 5000 p/s) will go to this collection. Will also be queried.
Collection 2.2 -> Historic data, will only be queried; no inserts
Collection 3.2 -> Historic data, will only be queried; no inserts
Collection 4.2 -> Historic data, will only be queried; no inserts
Collection 5.2 -> Historic data, will only be queried; no inserts
Collection 6.2 -> Historic data, will only be queried; no inserts
Collection 7.2 -> Historic data, will only be queried; no inserts
Collection 1.1 -> Old, so delete whole collection
As a matter of fact the perfect setup would be to have only one (huge) collection with an automatic document retention…but i guess this won’t be an option at all?
I hope you understand my problem and give me some advice if this is at all possible or will be possible in the future with documentdb.
Best regards and thanks for your help

Hi Aravind,
first of all thanks for your reply regarding my questions.
I sent you a mail a few days ago but since i did not receive a response i am not sure it got through.
My main question regarding the actual usage of RUs when inserting documents is still my main concern since i can not insert nearly
as many documents as expected per second and CU.
According to to the documentation (http://azure.microsoft.com/en-us/documentation/articles/documentdb-manage/)
i understand that i should be able to store about 500 documents per second with single inserts and about 1000 per second with a batch insert using a stored procedure (20 batches per second containing 50 documents each).
As described in my post the actual usage is multiple (actually 6-7) times higher than expected…even when running the C# examples
provided at:
https://code.msdn.microsoft.com/windowsazure/Azure-DocumentDB-NET-Code-6b3da8af/view/SourceCode
I tried all ideas Steve posted (manual indexing & lazy indexing mode) but was not able to enhance RU consumption to a point
that 500 inserts per second where nearly possible.
Here again my findings regarding RU consumption for batch inserts:
Automatic indexing on: 777
RUs for 50 documents
Automatic indexing off &
mandatory path only: 655
RUs for 50 documents
Automatic indexing off & IndexingMode Lazy & mandatory path only: 645 RUs for
50 documents
Expected result: approximately 100
RUs (2000 RUs => 20x Batch insert of 50 => 100 RUs per batch)
Since DocumentDB is still Preview i understand that it is not yet capable to handle my use case regarding throughput, collection
size, amount of collections and possible CUs and i am fine with that.
If i am able to (at least nearly) reach the stated performance of 500 inserts per second per CU i am totally fine for now. If not
i have to move on and look for other options…which would also be “fine”. ;-)
Is there actually any working example code that actually manages to do 500 single inserts per second with one CUs 2000 RUs or is
this a totally theoretical value? Or is it just because of being Preview and the stated values are planned to work.
Regarding your feedback:
...another thing to consider
is if you can amortize the request rate over the average of 200 M requests/day = 2000 requests/second, then you'll need to provision 16 capacity units instead of 40 capacity units. You can do this by catching "RequestRateTooLargeExceptions" and retrying
after the server specified retry interval…
Sadly this is not possible for me because i have to query the data in near real time for my use case…so queuing is not
an option.
We don't support a way to distribute throughput differently across hot and cold
collections. We are evaluating a few solutions to enable this scenario, so please do propose as a feature at http://feedback.azure.com/forums/263030-documentdb as this helps us prioritize
feature work. Currently, the best way to achieve this is to create multiple collections for hot data, and shard across them, so that you get more proportionate throughput allocated to it.
I guess i could circumvent this by not clustering in “hot" and “cold" collections but “hot" and “cold"
databases with one or multiple collections (if 10GB will remain the limit per collection) each if there was a way to (automatically?) scale the CUs via an API. Otherwise i would have to manually scale down the DBs holding historic data. I
also added a feature requests as proposed by you.
Sorry for the long post but i am planning the future architecture for one of our core systems and want to be sure if i am on
the right track.
So if you would be able to answer just one question this would be:
How to achieve the stated throughput of 500 single inserts per second with one CUs 2000 RUs in reality? ;-)
Best regards and thanks again

Which Monitoring Tool is best to monitor LAN and WAN

Hi,
CAN ANYONE TELL ME Which Monitoring Tool is best to monitor LAN and WAN.
Waiting for immediate response.
Thanks
Irshad

To start with HP open, this is SNMP-based as well. As it is around for quite a while and delivers support for many vendors, it has become sort of an industry standard. Many other vendors deliver add-ons (even CiscoWorks) to support their products via HP open. That functionality however comes with a price. If you have plenty of money an a large network to manage, HP open might be your best choice.
Cisco Works and other -start-with-C- products are typically used to manage Cisco devices. If you have a fair share of non-cisco boxes around you will find that you cannot see or do everything with them that you might want.
One special thing about CiscoWorks is that it lacks a grapical real-time overview of the network. In my opinion this is a weakness in the product. On the other hand, it has many nice features to manage all kinds of Cisco devices.
My ideal solution is to use both a generic SNMP manager, SNMPc in my case, and CiscoWorks 2000. With SNMPc I can quickly see network node status and do some bandwidth management (baselining). CW2k serves mainly to execute changes (NetConfig) and as a syslogger. It is also used to perform IOS upgrades and to store config files.
I guess this could be done with HP open as well, but our money does not reach far enough to pay for both. SNMPc costs a lot less, both in purchase and in maintenance.
Hope this clarifies things a bit.
Regards,
Leo

Questions Regarding MRP

I had a couple of questions regarding MRP. Will be glad if you could answer these:
Is it possible to remove the 'in house production time' & 'planned delivery time' from MRP?If it is possible, what will be the impact of removing the above?
Can we change the start/end date of the factory calendar, with or without removing the above?
Please answer the above.
Thank you very much.
Regards

If we keep inhouse production time and planned delivery time as zero, will this have any other impact?
Secondly, is it possible that we can manually change the start and end dates which are suggested electronically by SAP?
As I said earlier if you keep in house production time as zero system still would allow to create a material master record and based on this MRP calculates the dates required for any planned order in basic scheduling.
If you keep this as zero you order basic start and end basic date would be on same day.
It is recommended to maintain the no days required for in house produced material in MRP2 or in WS view or you need to enter the setup, tear down, processing, and inter operation times so that based on these values, the system determines the in-house production time on the basis of lot size.
Same way for Planned Delivery Time, only the difference in both of these fields are In house Production time considers the FC where as Planned delivery time considers the calendar days.
For your 2nd Question if you change the system proposed dates in any planned order based on the scheduling type start and end dates would be changes accordingly.
Br
KK

BIG Question regarding INIT Loads..I am scratching my head for past 2 days

Hello All,
I have one big question regarding the INIT load. Let me explain you my question with an example:
I have a datasource say 2LIS_02_ITM for which I ran the setup tables on JAN 2008. The setup table is filled with say 10,000 records. After that we are running Delta loads everyday till today (almost 30,000 records). Everything is going fine.
Imagine I lost a delta (delta failed and did'nt I do a repeat delta for 3 days, by then next delta came), Hence I am planning to do a Init load again without deleting / filling the setup tables. Now my question is :
1) Will I get the 10,000 records which got filled initially in the setup tables or will I get 40,000 records (that 10,000 + 30,000 records)
2) If it bring 40,000 how is that possible as I hav'nt filled the setup tables?
3) Is it each time I need to fill the setup tables to start the Init load.
Waiting for your guidance.........

Yes...to answer your question
But...agin I will suggest not to go by that method. Only one delta had failed so why do you want to wipe away the timestamp of the last init just becasue of 1 delta failure? it is possible to correct it
First of all i hope you have stopped the process chain or put a hold to Delta jobs
Now, To answer your doubt, about the status red ..See you mark the status red in each of the the data target before delting the failed request from there (I usually do not just delete the requests frm data targets - I mark them red and then delte it to be safe).
Do not forget to delete subsequent requests afterthe failed delta (agin I always mark them red before doing so)
Regarding the actual reuest itself...you need not mark it red in the monitor..You have got to correct this request and successful - it will automatically turn green.
If after successfully correcting the request, it still does not turn green, you can set qm status green. The next delta will recognize this a successful request and bring in the next delta (this happens in cases where you have the infopackage in a process chian when it shows green because subsequent processes were not completed etc).
Let me know in case you have any questions.

Question Regarding MIDI and Sample Accuracy

Hi,
I have 2 questions regarding MIDI.
1. MIDI is moved by ticks. In the arrange window however, you can move a region by samples. When doing this, you can move within values of the ticks (which you can see on your position box that pops up) Now, will this MIDI note actually be played back at that specific sample point, or will it round the event to the closest tick? (example, if I have a MIDI note directly on 1.1.1.1, and I move the REGION in the arrange... will that MIDI note now fall on the sample that I have moved the region to, or will it be rounded to the closest tick?)
2. When making a midi template from an audio region, will the MIDI information land exactly on the sample of the transient, or will it be rounded to the closest tick?
I've looked through the manual, and couldn't find any specific answer to these questions.
Thanks!
Message was edited by: Matthew Usnick

Ok, I've done some experimenting, and here are my results.
I believe those numbers ARE samples. I came to this conclusion by counting (for some reason it starts on 11) and cutting a region to be 33 samples long (so, minus 11, is 22 actual samples). I then went to the Audio Bin window, and chose to view region length as samples. And there it said it: 22 samples. So, you can in fact move MIDI regions by samples!
Second, I wanted to see if the MIDI notes in the region itself would be quantized to the nearest tick. I cut a piece of audio, so it had a 1 sample attack (zoomed in asa far as I could in the sample editor, selected the smallest portion, and faded in, and made the start point, the region start position). I saved the region as a new audio file, and loaded it up in the exs sampler.
I then made a MIDI region, with and triggered the sample on beat 1 (quantized, on the money). I then went into the arrange window, made a fixed cycle length, and bounced the audio. I then moved the MIDI region by one sample to the right. I did this 22 times (which is the number of samples in a tick, at 120, apparently). After bouncing all of these (cycle position remained fixed, only the MIDI region was moving) I imported all the audio into the arrange on new tracks, and YES!!! The sample start was cascaded by a sample each time!
SO.
Not only can you move MIDI regions by sample, but the positions are NOT quantized to Logics ticks!
This is very good news, and glad I worked this out!
(if anyone thinks this sounds wrong, please correct me, but I'm pretty sure I proved it, in my test)
Message was edited by: Matthew Usnick

Question regarding homehub and Open reach router -...

Hi all,
I had infinity installed earlier this month and am happy with it so far. I do have a few questions regarding the service and hardware though.
I run both my BT openreach router and BT Home hub from the same power socket. The problem is, if I turn the plug on so both the Homehub and Openreach Router start up at the same time, the home hub will never get an Internet connection from the router. To solve this I have to turn the BT home hub on first and leave it for a minute, then start the router up and it all works fine. I'm just curious if this is the norm or do I have some faulty hardware?
Secondly, I appreciate the estimated speed BT quote isn't always accurate, I was quoted 49mbits down but received 38mbits down - Which I was happy with. Recently though it has dropped to 30. I am worried this might continue to drop over time. and as of present I am 20mbits down on the estimate . For the record 30mbits is actually fine and probably more than I would ever need. If I could boost it some how though I would be interested to hear from you.
Thanks, .

Just a clarification: the two boxes are the HomeHub (router, black) and the modem (white). The HomeHub has its own power switch, the modem doesn't.
There is something wrong if the HomeHub needs to be turned on before the modem. As others have said, in general best to leave the modem on all the time. You should be able to connect them up in any order, or together. (For example, I recently tripped the mains cutout, and when I restored power the modem and HomeHub went on together and everything was ok).
Check if the router can connect/disconnect from the broadband using the web interface. Leaving the modem and HomeHub on all the time, go to http://192.168.1.254/ on a browser on a connected computer, and see whether the Connect/Disconnect button works.

Question regarding LAN to WAN setup.....

Similar Messages

Maybe you are looking for