Cisco WAN :: 2xT-1 Deciding Between A Partial DS3 And Metro Ethernet
Jan 22, 2012
We are in the process of upgrading the bandwidth at a few offices. Each currently have a 2xT-1 connection but have high utilization on the circuit which is why they are being upgraded. We are trying to decide b/t either a partial DS3 or metro ethernet connection. Are there pros/cons b/t the two in order to decide which to go with? Cost is not an issue. Some say going with a partial DS3 circuit offers benefits over metro ethernet such as network-based failover, end-to-end availability is better with DS-3 and QoS.
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Feb 20, 2012
I curently have 2 Data centers connected with a Metro Ethernet Connection. Each Data Center has 6500 with Sup720s. The Metro Ethernet connection is currently conected by a L3 routed interface. I now need to enable VRFs between the locations and want to determine the best way to adjust the Mero. I was considering adjusting the routed interface to use Ethernet sub-interfaces. Each VRF would be given a different subinterface over the Metro Ethernet connection. I have done this on internal LAN connections but am concerned about exteding across data centers over Metro E.
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May 1, 2013
My company uses a Sonicwall NSA 3500 as it's Firewall/WLAN controller and lightweight Sonicpoints for the private/public WIFI access. We are getting ready to implement wireless at one of our branch locations a few blocks away(We use Metro Ethernet to connect the 2).I know with the current firmware the Sonicpoints can't provision to the Sonicwall NSA over the Metro Ethernet like Cisco lightweight AP's can because the Metro Ethernet strips their VLAN Tags and obviously the Sonicpoints don't support REAP.what other options (short of installing another WLAN controller at the remote site) do I have to connect the AP's at the WLAN controller at our main location.
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Apr 21, 2011
my company will change WAN connection from HDSL (2Mb/2Mb) to Metro Ethernet (10Mb/10Mb). Now, I have CISCO 1841 (12.4(15)T12 ) with 2 FE and HWIC-1T. Can i configure my Metro Ethernet (WAN Connection) on one FE or i need of "external wic" such as hwic-1FE ?
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Dec 9, 2010
I am planning on implementing a metro ethernet circuit to replace a more expensive circuit to connect my office and data center. This circuit will be configured by the provider in a 'transparent' manner, which will allow us to pass vlans freely over the circuit without having to create a QinQ tunnel. This is a layer 2 only metro ethernet circuit.Planning on connecting the office end to a 3750 (switch A) and the data center end to a 2960 (switch B). The data center end will have a couple of other 2960s hanging off of it for server connectivity (switches C & D). I plan to use a 2811 (router A)for layer 3 connectivity in the data center. Switch B will plug into router A and switches C & D will plug into switch B using two port-channelled links. I can post a diagram if needed.I will use rpvst here and configure switch B as the root bridge.There are about 10 vlans that I use between the office and data center. Router A is also used to connect to other environments such as staging, production and also to the internet. I think this should be a straight-forward configuration since it is mostly layer 2. Should switch B be the root bridge?
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Apr 7, 2013
I am trying to configure a new metro ethernet and have some questions about the configuration. The physical layout is a main office and two remote locations. The remote sites are point-to-point connections to the main office, tagged by the ISP with VLAN 130 and VLAN 140. The connections aggregate into one handoff at the main office, and are plugged into Catalyst 3750-X switches at all three sites.
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Jan 31, 2012
I am preparing to move two branch offices from a point to point T1 connection to Century Link Metro Ethernet.Currently my branch locations connect to my HQ 7204 router via a channelized DS3. I have a 4507R at HQ that I will connect the ME circuit to.We will also be moving our Internet connection on the ME circuit.Our service provider Clink will hand me a single Ethernet handoff for the Internet and branch office connections. For the first phase I will connect one branch office using ME. Once that is in place and tested we will move another office and so on. Then our final step is to move our web connection to the ME circuit.Each branch office has their own unique voice and data subnet. They each have a 2801 router and a 3560 switch. The routers are MGCP gateways with only one PSTN connection, a POTs 911 line on a FXO port.
So my questions are;
1 - Should I connect the ME directly in to the 3560 at the branch offices or use the Fa0/1 on the 2801? Fa0/0 is currently connected to the 3560.
2 - On my 4507R at HQ how will I configure the ME switch port? As a dot1q trunk port?
3 - Given that ME is basically a LAN connection will I have to re IP the branch office? HQ is 10.10.1.x/24. Branch is 10.10.166.x/24 (data) 192.168.166.x/24 (voice).
4 - On the 4507R will I need to configure a vlan interface for each branch subnet?
I attached two network diagrams. One represents our current topology (MEexisting) and the second represents the new ME circuit changes (MEprojected).
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Jan 30, 2012
Today my sw upgrade procedure failed on a ME3600 Series switch.
From the past with LAN switches i thought that we need to set IP settings manually in ROMMON and then load remotely an IOS via TFTP.
But it seems that this is not supported there.So now i would like to ask how can i bring a bootable IOS to the ME3600 switch. and at least: how can i bring back my switch to life.
I could imagine that there is a missing default gateway.But what is the syntax for default gateway? And after I have connectivity i need to work for the process of loading a bootable image to the switch.
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Jul 10, 2012
I have the possibility of upgrading a DS3 to Metro Ethernet, Gigabit connection. My dilemma is I have two VTP domains in my network. How can I get two VTP domains over one trunk to a remote site ?
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May 24, 2012
we are setting up our first ATT metro ethernet connection. I have a Cisco 2960S at the remote site and I placed a Cisco 2960 on the Host site to test and had no issues. When I moved the Host site to our Nexus 7000, I can not get a link.. both sides are set as trunks,
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Jun 29, 2012
I recently upgraded my home network to include a new DOCIS 3 cable modem (SB 6121), RV 180 router, and a wireless access point. I have about 7 computers/devices on the network. A computer connected directly to the new modem was pulling down 30MB/sec (various speed tests), but when RV 180 was inserted between modem and network, downloads dropped to 10MB/sec. I worked with tech support (very kind), baselined the router, without improvement, and support conclusion was "hardware issue, need to RMA router".The one thing we failed to configure on the router was the Domain Name (Networking/LAN/IPv4 (local network)/DHCP/Domain Name:). Once I entered the domain name that actually matched the Workgroup / Domain name of the computers on the network, downloads and speed tests jumped to 30MB/sec consistently, and web browsing performance significantly improved.
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Oct 21, 2011
I'm not very experienced in ASA failover designs, have over the years worked with 5505 & 5510's. With two 5520 on my hands right now I need to decide on the best failover design to meet the goal. The ASA group needs to provide VPN (site-site and support Cisco old fashioned VPN clients) and also serve as an internet facing firewall. Not many interfaces will be created. Would active/active failover be a possible configuration considering the VPN setup? Can active/active be used to let one 5520 performance deal with VPN and the other handle the firewall (until failover occurs where one would handle both jobs)?
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Apr 23, 2012
Once again I'm stuck to tethering on my phone due to my router deciding to call it quits for the random moment. I cannot access its control panel, the network just goes kaput. Given that I don't have access to the router since it's part of a double house (the side I'm not on of course), this is getting beyond irritating to reboot it when this happens as that is the only way to fix it. The connections are even wired, too. What kind of money does it take to get a router that is going to STAY on and just work? I'm ready to dump some serious cash into this at this point because this happens at least twice a week anymore. I just want a router that works. It needs to be wireless as my neighbor does use his kindle on it every once and a while.
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Jun 5, 2013
We currently support a third party VOIP software. Recently we have had issues with our T38 faxing to our SIP Trunk provider because our FW (sonicwall) doesn't support Nating the connection address within the SDP packet of the T.38 reinvite. This has caused us to look at alternate solutions. I have been in discussion with CISCO sales engineers and can't get a straight answer on which one of their products support this(RFC 3362, T.38 protocol used by our VOIP server)We were looking at replacing our sonicwall with an ASA but it seems it doesn't support RFC 3362 either . However, the sales engineer thinks that their regular routers will. So If I purchase a cisco router, i.e 8xx or 2621XM the question is where do I put it in my current topograpy. Currently we our at a Datacenter and our drop into our cabinet comes right into the Sonicwall and we have all NAT handled there, routing to different LAN ports on the Sonicwall. On LAN side all we have are standard switches supporting all of our Servers.
If I buy a Cisco router to handle my NAT issue for faxing.Do I put it on the WAN or LAN side of my FW?Do I setup the router to handle all of my NATing or just the NATing of my VOIP server that is having issues with the T.38? Would I need a Sonicwall FW if I purchased a CISCO 891?
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Jun 29, 2011
a customer of us asked if C2911 (to be bought) is ok for partial BGP routes.This is the situation: 2 cisco 2911, each peering with 3 other AS (AS1, AS2, AS3), and maybe, in the future, at a small IXP (AS4, AS5, AS6, AS7).They will accept defaults plus partial routes from upstream AS1, AS2, AS3.When deployed at the IXP they also will accept partial routes from AS4-7.So, is 2911 ok for that configuration?the default route is included in the first row of as-path, isn't it?I have no experience with partial routes, only with full (for our datacenter) and default only (for other customers).
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Sep 25, 2012
I am getting some weir behaviour in my LMS 4.2 setup. I am doing and Archiveupdate job and am receiving a partial success for roughly 1400 devices. Here is some output.
Execution Result:
STARTUP
CM0057 PRIMARY STARTUP Config fetch SUCCESS, archival failed for
xxxxxx Cause: CM0210 Unable to generate
processed config Action: Verify that archive exists for device.
RUNNING
[code]...
I went on and checked the dcmaservice log file.I found the following entry at the same time of this particulair job
ERROR,[Thread-72920],com.cisco.nm.xms.xdi.pkgs.SharedDcmaIOS.analyzer.IOSConfigletRules,loadRules,42,Could not locate configlet rule file : com/cisco/nm/xms/xdi/pkgs/SharedDcmaIOS/analyzer/IOSConfigletRules.ser
[ date taken out ],ERROR,[Thread-72920],com.cisco.nm.rmeng.dcma.configmanager.DeviceArchiveManager,archiveNewVersionIfNeeded,1115,CM0210 Unable to generate processed config
I then searched if I had the IOSConfigletRules.set file on the box. And no it is not there. My question is this the reasson that I have som manny partial sucess archive results?
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May 10, 2011
We had an interesting situation after an electrical storm moved through where a few of our dual WAN clients didn't have any Internet connectivity. Generally speaking, they are on a wireless broadband and something like DSL/cable/T1. One customer in particular has a cisco 1941 router setup for dual WAN which tested fine during install (pull either connection, external IP changes dynamically and no difference is noticed by user). Well, this storm knocked the wireless broadband out enough that it wasn't usable, but would respond to pings randomly. Because the wireless is the fastest of the two connections it has a higher priority but because it was down but still responded to some pings, the traffic didn't go through the DSL that didn't go down. how to make the dual WAN more reliable in these partial-down situations? I thought about playing with the network service detection (we have a customer on an RV042 who experienced the same problem) but am not real sure what I could change that would make the connection more reliable, especially on the 1941 router.
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Jun 28, 2012
We are running Sharepoint 2007(sp3 and wss sp3) on a dell pe2950 running Server 2003 std x64 sp2, 4 146gb 15k sas raid 10, 16gb ram, dual xeon 516 3ghz. the network card is a quad port intel 1gb pci-x server nic. Was running broadcom net xtreme dual port onboard, and had the same issue.
We are losing partial network connection, after about 14-15 hours of the machine working correctly. What happens is that it cannot ping, or access, any machines not on the same network segment(this machine is on 192.168.3.* and cannot access machines, or be accessed from 192.168.2.*, 192.168.4.*, etc, etc). what i have found is that when i try to ping 192.168.2.210(our dns, dhcp server). its times out about 20 times and replies 2-3 times, and then repeats the cycle all over again. i have done a winsock reset on the machine, and sometimes it starts back up and works again, sometimes it doesn't.
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Mar 1, 2013
Can a Cisco 2921 handle a 100mbps connection plus operate BGP with partial updates? I am worried about the CPU.
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Apr 4, 2012
I have an HP OfficeJet J4500 that works fine with shareport on my Win7 x64 computer. the XP and Win2000 ones both have the same "partial page then lockup" problem. when this happens, the only way to disconnect shareport is to reboot the router. It shows connected to the same computer even if I reboot that computer. I started with V1?? from the install disk then tried 3 and finally 4 with no improvement. I have read several posts about this or similar problems. This is the primary reason I switched routers and bought the D-Link DIR-655, for the print server feature...
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Sep 19, 2011
I have a 50 Mbps metro ethernet connection between our main office, and our collocation site, where we store web servers, DR equipment and VPN access gateways. I have two Cisco 3845 ISR's connected to the metro E circuit. The interfaces on each router are configured as 100/full as requested by my ISP. We are connected via ethernet to a fiber media converter.
As I understand, CBFWQ will not kick in until congestion occurs on an interface. I also understand that the bandwidth command on an interface is to provide bandwidth related information to upper level protocols (like EIGRP, etc).
My question is that since the interface where I have CBWFQ configured on is at 100 Mbps, but my circuit is at 50Mbps, how can I get my routers to kick CBWFQ in when traffic demand exceeds 50Mbps+? Does the bandwidth command on the interface control that as well?
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Apr 15, 2012
I recently ran into some problems concerning the use of a Cisco layer 3 switch (3560) as an Internet edge device to perform a simple static route between the customers network and the ISP POP router. Although this device can perform the routing at the edge for Internet traffic, I am concerned that this device has limitations when it comes to functions such as traffic shaping to the subscribed bandwidth of the Metro Ethernet access to the Internet. Since the 3560 could not conform to the 20 Mbps of subscribed bandwidth, any traffic beyond 20 Mbps was dropped causing performance issues with applications that use TCP. I am trying to find design documents or white papers that would either support or not support using a layer 3 switch as an Internet perimeter device instead of a router. I would like to know if Cisco has a specific perspective on this subject and whether or not they would ever recommend actually using a layer 3 switch model that is a 37XX or below?
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Nov 19, 2012
I am running LMS 3.2 and can not see the Nexus 5596 / ME-3600X-24FS-M Cisco switches on Cisco works LMS 3.2. Where I need them most is DFM the devices come up as unknown. An example below 10.125.202.1 is NExus 5596 and the rest are ME3600.
208.10.125.202.1UnknownN/AN/A209.10.115.1.4UnknownN/AN/A210.10.115.1.3UnknownN/AN/A211.10.115.1.2UnknownN/AN/A212.10.115.1.1UnknownN/AN/A
going through the article below looks like its not supported
[URL]
What are the options I have next ? Can I upgrade to LMS 3.3 or only do an upgrade for DFM ?
Want to avoid LMS 4 as that's an installation from scratch.
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Jan 18, 2012
I have a cisco 1841 running on a 10Mbps Metro-E connection. I recently signed an agreement for a 100Mbps Metro-E. I am wondering if I will need to purchase a new router to support this new connection or will my 1841 be able to handle the traffic.
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Sep 10, 2012
I think choose this SWITCH 4506-E and I need running only features L2 Metro, but Idont known what IOS for this!
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Nov 12, 2012
I have been reading for awhile now on all the Cisco forums on the 3560 and shaping egress traffic but I wanted to verify my thoughts on this. I have 3560 that connects to the ISP that is policing at 10Megs, I want to shape my egress traffic going to the ISP, I do not want to provided QOS to any specific traffic type but only shape all traffic outbound. Will my config below shape "all" egress traffic going to the ISP on the 3560, on a port that is physically connect at 100Meg Full duplex?
int gi0/1
srr-queue bandwidth shape 40 40 40 40
I gathered these numbers using the formula of 100* 1/weight, which would equal 2.5 and if each queue has 2.5 meg that would = 10Meg. However another concern is that I don't think I have the full 100Meg on the interface to use (correct?)
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Aug 8, 2012
I am having a problem with my Realtek RTL8168D/8111D PCI-E Gigabit Ethernet NIC. It is not detecting my ethernet cable, and thus leaving me without internet on my desktop, after i updated its driver. The cable is not the problem as I have tested the cable with my laptop. I tried rolling back drivers, doing system restore and removing drivers with driversweeper and letting windows install the drivers again. However, none of these worked for me. I doubt the NIC is faulty as it was working before i updated the drivers. I am using windows 7 home premium 64-bit.
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Dec 26, 2011
I've had trouble connecting to my own internet and have no wireless. I'm using my neighbor's wireless and it's really slowing her's down. I've tried restarting my laptop (it usually works) and then reinstalled the device under "device manager". It's not the cord, I've checked with my neighbor's laptop and it works fine.I use a Sony Vaio VGN-NS140E with Windows Vista SP2.
------------------------------------------------------------------------
{ipconfig /all} This is while I only have an ethernet plugged in and no wifi connection.
Windows IP Configuration
Host Name . . . . . . . . . . . . : FairyHo
[code]....
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Jun 11, 2012
I just got a new Xbox today, and use the integrated WiFi card. I was lagging like Crysis 2 on a 6800 GT (forget it). I just got a CAT .5 cable, and plugged it into modem/xbox and IDK... it works, I'm online, but basically my question is:Does ethernet connections have less ping (better) than wireless connections? This is with the Xbox 360 Slim. I know it improves upload, and download, but what about ping?
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Apr 30, 2011
I have a Dell XPS M1530 with Vista 32 bit. When i plug in a cable i get nothing, no error, and the comp does not recognize that a cable has been plugged in. I think that this started after my Hard drive failed and Dell replaced it but i'm not positive. No errors (? or !) in Device Manager and I can't find the Marvell 88E80XX 10/100 Ethernet Controller in device manager. I have attempted to Reinstall the drivers. The wireless is still working. I have one Light to the right of the port that is on all the time solid but no flashing with the cable in or out.
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Oct 12, 2012
what is difference between Ethernet and fast ethernet
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Dec 28, 2011
I've got a router on which I run a backup/media/print server, a couple of computers and a voip box. My router has only four ethernet lan sockets which are thus all occupied by the above, but I need to attach at least one further device b
Secondly, could a splitter such as >> this one << do the job? I'm guessing this basically split a single 4-pair ethernet connection into two 2-pair ethernet connections.
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Apr 28, 2013
Is there a difference in an ethernet cable and an Ethernet networking cable? I have an Ethernet cable and a 6 port splitter I am trying to connect. I have 4 ports in the router that are in use. When I connect them to the splitter nothing s working.
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