Cisco WAN :: 3750 / Co-Location Rack Network?
May 20, 2012
I am considering running stacked 3750 L3 switches as the edge of the network, which will connect to the ISP. The ISP would hand off two lines with one to each switch and two lines to each client zone. Does running HSRP, running port channels, or running routing protocols seem like the best option for redundancy?
Lastly, will the 3750 provide all the QoS I should need for restricting each client zone's bandwidth both up and down? Could I get away with a lower model and still get these features?
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Mar 25, 2013
I am considering running stacked 3750 L3 switches as the edge of the network, which will connect to the ISP. The ISP would hand off two lines with one to each switch and two lines to each client zone. Does running HSRP, running port channels, or running routing protocols seem like the best option for redundancy?
Lastly, will the 3750 provide all the QoS I should need for restricting each client zone's bandwidth both up and down? Could I get away with a lower model and still get these features?
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Apr 9, 2013
How to configure hsrp in my client location.They have 1 no of router and 2 no of 3750 switch.they need to configure Hsrp in switch.
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Sep 16, 2012
in windows 7 pro, While trying to join domain xxxx.local, error message appears. even ping xxxx.local is working...
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Oct 7, 2012
i would like to know that how can I route two network in two different location over the internet?
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Mar 1, 2011
I'm no network security expert but have been asked to "investigate" someone who has been connecting their personal laptop to the company network and using our internet to do "questionable" activities.
Basically I have this information taken from our domain controller's logs:
- DHCP address that was leased to the laptop at the time of the "infractions".
- Computer name of the laptop.
- Precise date and time of when this person was connected to our network.
Based on the DCHP address, I can somewhat narrow it down to a few different switches at different locations in the building, but there's no way to pinpoint it exactly. If I can figure out which switch they connected to, I would know who did it.
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Apr 4, 2011
I ve read, that Cisco routers/switches drop the entries of their ARP cache after 4 hours and of the MAC cache after 5 minutes (in the defaults).Question: What is the regular way, to update the MAC cache when moving to another location in the network?(Background: My device is a hand-held device, and we have problems to get access to it from a terminal server in another network, when connecting the hand-held device at different locations.) One approach is to send in a fix interval a arp-ping to the gateway, or trigger the ping by the interface-up.How do other devices handles this problem? (Or do they ignore it, because the most will stay on its location/port their whole live?
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May 11, 2012
I have just bought a Linksys E2500 Router and have been asked for the security key to connect to the Internet. Where do I find it and why is this so well hidden?
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Nov 15, 2012
I have been working with a friend set up a brand new laptop with Win-7 Home Premium (64 bit) preinstalled. I did the initial set-up at my home, with the machine connected via broadband internet cable to my router. I had absolutely no problem getting it to connect with the internet. Didn't bother to try getting the thing going wirelessly at my location. During the initial setup, I selected "home" as the network type (as opposed to public, etc.)But, when I took the machine to the owner's home, it wouldn't connect via her broadband modem.
Mousing over the network icon in the tray area brings up a tool-tip baloon, "Unidentified Network, No internet access). Opening the Sharing Center shows the network as "Unidentified Network, Public Network. None of the settings accessible to me from that point seemed useful or relevant.I have not been able to find appropriate settings to redefine the network type, etc. Her old machine, which is in the process of dying, is still able to connect, and I'm using the same cable to connect both machines. To top it off, I very recently upgraded my own laptop to Win-7, so I took it over there and it exhibits the same problem. And, if I bring her machine back to my house it connects right up with no fuss at all.
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Dec 17, 2007
When ever I create a network object in ASDM 6.0(3) the UI also wants to send the command 'asdm location (network object IP address)' to the device.What is the purpose of 'asdm locaction ....'? Is it telling the ASA-5540 that the IP address is allowed to connect to the device using ASDM?If that is the case why does 'asdm location xxx.xxx.xxx.xxx'get denerated for every network object I create?
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Nov 1, 2012
I have two 3550s and two 2950s. I would like to put these on a rack. Where can I buy a rack? I can't seem to find them on new egg because I'm not sure what the steel frame part is called. And how can I get the steel holders that go on the sides of the Cisco devices to screw them onto the rack?
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Dec 5, 2012
anybody with 2 x rack mount kits for a SRW208P that they don't want? I need to rack mount these devices but my predecessor very wisely decided to throw them out and Cisco does not sell the racks as a separate SKU.
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May 29, 2013
I was looking for Rack Unit required for 7206 VXR & 3945E but couldn't find it.
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Apr 5, 2010
I misplaced a set of the rackmounts and it doesn't look like this will take any other set that I have around.
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Dec 20, 2010
I have the 2509-RJ Access Server installed and am able to access it via telnet within my home network. However, when I try to access it remotely, it fails each time I try. I set up a domain through dyndns.org specifically for the rack, the same thing I use for RDP to access my home computer remotely. RDP uses port 3389, which I opened up in the firewall and directed that port to my computer's internet IP. I tried opening up port 23 for telnet acccess to the IP address of the access server, 192.168.1.150. I believe the problem is with the dyndns.org domain I set up. The one I use for RDP has my public IP address attached to it. I tried doing the same thing for port 23 and routing that to the access server and it fails.
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Jul 26, 2012
Simple question, does the SF100-24 switch come with the brackets to rack mount it on a standard 19" rack?
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Mar 19, 2012
i want to know, is c3650G or c3650X switches are already containing rack mounting pack or am i need to buy it seperatly?
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Jan 10, 2013
I have a question if your Cisco 800 series wireless in a rack mount installation in racks to place the signal strength materials very well ?
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Oct 3, 2011
So I have some rails from an old telecom rack that I am going to build into a four post rack. It's about 24Us. How deep would I need to make the frame so that it supports full length servers like a Dell 1950 or 2950? 40 inches?
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Feb 27, 2013
Is there a replacement rackmount kit available for a Smart Switch SF200-48?
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Jan 11, 2012
Any recommendations for top of rack switch for within our data centre.Dual power is a requirement, but bandwidth and through put will not be huge as such I have been looking atthe WS-C3560X-48T-L and the Nexus 3048.
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Mar 5, 2013
I wanted to know if any has the Nexus 7009 chassis installed into a 600 wide rack with the sides fitted and if they are experiencing heat issues?
My client will be replacing their aging 6509 chassis with 7009 devices, but the physicals dont tally with the install guidelines for the 7009 series chassis. The current install of the 6509s does not tally with the recommended install guidelines for those either, but they have not expereienced any heat issues...
The 7009 will be fitted with 2xSUP2E, 3x48portSFP-F2E cards and 2x10GSFP-M2 cards with 2x6K PSUs. I am genuinely concerned they may cook these devices, but space restrictions look like vetoing the upgrade to 800 wide racks. Likewise moving to 7010 chassis may prove tricky due to existing other installs within the racks limiting vertical space.
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Sep 17, 2011
I lost the rack brackets for my switch in a recent move. Where can I get more?
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Nov 10, 2011
I just installed a 10 port Cisco SG300-10MP in my office, 9 of the ports are already in use. Connected to it are
PC
Laptop
Notebook
WIFI AP
B&W laser printer
Color inkjet printer
IP camera
Squeezebox SB3
Cat5e connection to basement HP 1810G-24 switch All of these devices are connected via a single Cat5e cable that was installed when the house was built. I had to re-terminate both ends of it when I moved in because the existing terminations were done very poorly. I have no idea how or where the cable is routed, nor what the quality of this Cat5e cable is. It did pass a test using my cable tester.
This single Cat5e is connected to my main HP switch in the basement equipment rack. Both of these switches have mini-GBIC ports that can utilize SFP transceivers and fiber. I priced out 2 MGBSX1 compatible modules along with a 30M multimode fiber patch 'cable' online at under $150. Although it would require at least a couple hours of work (including digging around in the attic and crawl space and drilling some holes), but running the fiber to the basement is very doable.
My question to my far more experienced forum members is if the performance gains would be worth the effort?My server is in the basement, and despite having an Intel GB NIC in my PC I am seeing read speeds of ~23MBs and writes of ~49MBs to/from my it. My server has teamed GB NICs (802.3ad LACP Layer 2) connected to trunked (LACP) ports on my HP switch.
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Dec 29, 2012
I can only access a server for my work with the IP I have at home. Is there any way I can be at another location and somehow get to that server with the home IP? I suppose I would have to set up a proxy at home and then connect to it from the other location, so it would make no difference to the server if I'm somewhere else? Am I thinking in the right direction? How would I set that up?
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Aug 16, 2011
Bell gives my and IP address and if I reset my modem I will get a new one. Take for example I have an IP address at 7:30pm and decided to reset my modem at 8:00pm. I now have a new IP address, will my previous address, the one I had at 7:30pm, will that one be able to be traced back to me in anyway, can any of my previous addresses be traced back to me in anyway?
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Jun 15, 2011
Remote office 1 has an asa 5510 connected to a HQ office which has also an ASA 5510.The HQ office has also a IOS router 2921 with a DMVPN connection an other Remote offices.
Remote office 1 = Cisco asa 5510
Remote office 2 = Cisco IOS router 888
[code]...
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Mar 22, 2012
Recently I installed LMS 4.1 accidentally on the c-drive, which, as a result, fills itself with a growing database and associated logfiles. How can I move both items to another drive safely? I allready managed to move configs and downloaded software.
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Jun 28, 2013
I have a 3750 acting as the DSW, with a few 2960's (asw's) attached to it going to different buildings.
One building has been complaining of random 15 second to 1 minute outages. Its rare though. Happens anywhere from once per week to maybe 4 times per week. The times of the day it happens is random also.
I've had them ping the gateway when it happens, and the ping fails for a few seconds then starts to work.
One of them ran a continuous packet sniff, and sent it to me after it happened. Nothing weird going on in the sniff, except for the obvious failure of getting traffic. When it happens I see a crap ton of arp requests to the gateway, which makes sense I suppose since the hosts can't get past the gateway anymore.
They've replaced the fiber to LIU, the sfp, and then even the 2960. Its updated to latest code.
I'm guessing the problem is at the 3750. We havent touched it yet. CPU/memory looks fine (when checking the history). No input/output errors on any interface. Logs don't show anything, not even a flapping interface. But we are always looking at this after the fact, since by the time they email or call us, it has already passed...
Other buildings that are fed from this 3750 haven't complained though, so I'm not sure if they are experiencing problems or not.
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Aug 20, 2011
When I try to upload one file through FTP client to a server, it shows error similar to "you are disconnected by remote host" or something like that. It happens only in work place. When I try the same from home it connects successfully. What could be the problem?
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Sep 4, 2011
How do I check IP address of others, when in chatting or playing online game, I could only know that he is Mr. X from YZA country which appears on Screen, But I also know he is using with wrong name and wrong Country name.I would to check his IP as well as his Place?
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Feb 13, 2012
refers a location that is unavailable.it could beon a hard drive on this computer.
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Sep 5, 2011
Does any one know how i know where my server who is hosting my IP is gepgraphically located?
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