Device Which Will Only Relay Packets At 1mbs Ethernet?
Aug 22, 2011
i'm trying to connect a picaxe microcontroller to my friend's coffee machine for a school projet. eventually i realised i had 4 options
1:get arrested by the police (long story)
2:lay out 5km of cable dorchester,dorset,uk
3:end up using a REAL pickaxe on my phone
4:pay £100 for a picaxe server
5:intergrate the ethernet into a picaxe microcontroller
the only problem is that you need a very fast processing speed for ethernet,unless you were to use <1mbs ethernet?is there a device witch will only relay packets at <1mbs Ethernet
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Mar 29, 2012
I faced with issue on ME3800. [code] With that configuration there is no problem with DHCP Relay packets.But if I add on interface #xconnect 82.199.1 19.1 77 encapsulation mpls it will stop forward DHCP relay packets immediately. All other traffic transfers without problem.
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Nov 13, 2011
I need to get some low volume, interactive data, prioritized on frame relay PVCs across our network. I have followed the CBWFQ examples from cisco.com, but my test packets are still showing latency over 1 second. My lab set up has a corporate connected gateway router linked via FE to testrouter 50. TR51 has a T1 frame relay loop to another router acting as a frame relay switch. The other side of the FR switch has a 56k link to testrouter51. I am sourcing test pings from my desktop PC, that are marked as AF43, and leave at a rate of 1/second, when the response comes back in time. I am using a Smartbits to generate some default class traffic at a rate of about 56Kbps only in the 'outbound' direction, toward TR51, as this emulates a file copy from corporate to remote sites, that is causing the AF43 traffic to suffer. Here is the relevant config on the TR50 device:
class-map match-all rtu-data
match ip dscp af43
!
policy-map frame-56
class rtu-data
priority percent 20
class network-mgt-data
bandwidth percent 5(code)
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Feb 1, 2012
Basically a while ago last year some time in December my desktop got turned on one day and the internet wasn't working. I tried using my wireless to connect but even that was stuck on "acquiring network address". Ive played around with it abit since then and now my etherent cord shows up as connected but when I go into properties it says no packets getting sent / received. In device manager all my network adapters are cool and dont have any "!" next to them.Ive also tried the cord in my laptop and it works cool.
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May 29, 2013
I want to monitor our backup server (commvault) as it is saying it's library (Data Domain) is going off line.[code] The issue is I am seeing a lot of unicast traffic (on Wireshark) that has nothing to do with the server on E2/11. Some of it is from different VLANs... There is way too much data (multi-Mbps) to keep wireshark running very long to capture our intermitten problem.
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Apr 6, 2012
My laptop runs off my ethernet (running to a modem) just fine, however when I plug it into my desktop, it recognizes that there's an ethernet plugged in but it says there is no internet connection available.I am running Windows 7 and I pulled up the command prompt and gathered this info:
Windows IP Configuration
Host Name . . . . . . . . . . . . : emachines-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
[code]....
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Mar 3, 2013
1. I recently purchased an Asus X53-sx1159v laptop (Windows 7 64 bit os - other detals at bottom ).
2. While it has a wifi network connection (which works fine), it doesn't seem to have any listing for ethernet (ie wired) connection. (even though it has the port for wired access.)
3. When i look under computer/device manager/networks, all i get is the wifi atheros 9485 network adaptor. There is no other listing. (see attched file for screen grabs)
4. Am i missing something obvious with all this? The Asus website has examples of this model with screen grab which includes an ethernet adaptor as well (see attached file)
Note that laptop is labelled as an X53 series but in the computer it get listed as a K53e
Tech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 7 Home Premium, Service Pack 1, 64 bit
Processor: Intel(R) Core(TM) i7-2670QM CPU @ 2.20GHz, Intel64 Family 6 Model 42
[Code].....
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Feb 4, 2011
My Ethernet is not showing up in device manager or Network Connections. I've checked the bios and it is enabled. I've also tried to install the drivers, but at the end of the install this error message pops up " the Realtek Network Controller was not found. If Deep sleep mode is enabled please plug the cable"
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May 16, 2012
I have windows xp with asus motherboard p5kpl-am se. my issue is that I cannot get on the net. I know there is internet connection, but the computor won't recognise that fact. when I go to repair the internet connection, I get a message ( windows cannot detect any wired or wireless cards on your machine) things I have done is to download drivers for the ethernet card and also the motherboard chipset to see if that would work, but no change. the yellow question mark is still there.
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Mar 13, 2013
I am having vastro 460 with intel i3 and window 7 32 bit . try to install driver for network card but not working. ping is working but not showing it in device manger.
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Aug 15, 2012
I use a hardwired Ethernet adapter to connect to the internet from home. I cannot connect to the internet on the N5110 but can connect on my desktop PC. I look at the hardware device manager and cannot find an Ethernet adapter. This leads me to believe something happened to the card. It should show up in the hardware profile. I don't want to use a wireless connection. I want to use my hardwired Ethernet adapter.
How can get the system to recognize the device? I don't need to send it in for repair. There is some work I do that can only be done on this computer.
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May 3, 2012
Have a potential customer that is looking at the IE2000 series switch and at the Rockwell Allen Bradley switch
Question is does it support Device Level Ring (DLR) capability. I do not see this specifically mentioned in the Data Sheets but it talks about a
Resilient Ethernet Protocol (REP) and I am wondering if this is the same thing?
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May 21, 2011
Main site have 8 departments and each department have 60 pc's,remaining sites each have 6 departments and in each department have 40 pc's and in the design of WAN connection you use frame relays and that is the 100% growng hosptals and clock speed is 64000 bits/sec and security must don't access the unautheraised users from out side....how can I do this?
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Apr 7, 2011
I am having real problems trying to build resiliency into a hub and spoke frame relay scenario. I know the hub is a single point of failure. Is there any way to put some resilience into the network? There is 4 attached branch offices.
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Oct 26, 2011
I have an old WRT54GS v6 that's sitting around collecting dust. I wondered if it's possible to plug it into the wired hub ( I have in my basement where the wireless is somewhat weak) to get the signal a bit stronger down here?I guess the operative terminology is 'wireless access point' I've found some instructions but they all say to connect the access point directly to the gateway via cat-5.. hoping I can do so with a hub. If not.. could I just switch the hub and the access point in the setup?
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Feb 6, 2013
I'm having a problem getting DHCP working with an ASR9k as shown in this document. I've successfully implemented very similar setups with some Cisco IOS routers, but the IOS XR on the ASR seems to be defeating me. Router A (happens to be a 3750)A DHCP/BOOTP/TFTP server, connected to router ARouter B - this is the ASR, running software version 4.0.3.Router A and B are connected by a layer-3 link.Router C (happens to be a Broadcom embedded router). It's connected to Router B by a VLAN trunk link.Device 1, this one needs to get its configuration by DHCP/BOOTP/TFTP. It's connected to Router C by a VLAN trunk link.Device 2, this one doesn't need any DHCP/BOOTP/TFTP. It's connected to Router C by a VLAN trunk link (its port is the same as Device 1's) Device 2 works great - it can ping the DHCP/BOOTP/TFTP server (and vice versa) and everything else it needs.
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May 7, 2012
typical ADSL configuration. My ISP only sends out DNS information automatically (PPP) - no static entries. I need to capture this information and relay it to users via DHCP. Currently when I do "ipconfig/ all" all DNS entries are empty.
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Nov 10, 2011
Provider T1 handoff with two PVCs to their MPLS cloud to a 2911.One Internet PVC and one for the MPLS including a SIP trunk .
Is there a way to use QOS to have the router prioritize one PVC over the other.Always service the MPLS/SIP PVC over the Internet ONLY PVC?The MPLS/SIP PVC will have QOS for voice but needs to be prioritize.Other option will be to police down the Internet PVC to a value which will leave the required total Kb for the voice priority KB.(FR PIPQ works if the PVC is for voice only.)
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Mar 24, 2012
working through a lab and can't seem to configure frame relay on subints. I assume it's not supported but this seems basic; am I doing something wrong?
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Oct 15, 2012
I have a firewall that I want acting as a DHCP relay. This firewall has a number of VLAN interfaces serving clients. The DHCP relay destination is the IP address of a Windows 2012 Server running Microsoft DHCP which has multiple scopes configured, one for each client VLAN.What I'm finding confusing is how the DHCP will identify the client. Does the DHCP relay insert an identifier of some sort (opt. 54?) based on which VLAN the DHCPREQUEST comes from and then this identifier can be configured to be recognized on the DHCP server?
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Sep 21, 2012
I have been trying to make rip work on this frame relay with multipoint configuration (hub and spoke) and I also configured a loopback interface on each of the routers and configured rip with the loopback address. I observed that the routers (cisco 3600 series) are not sending or receiving any RIP updates through their serial interfaces but are sending through loopback interfaces i configured (debug ip rip).I can ping all routers but cant ping their loopback interfaces because RIP updates are not sent or received by them.
R1#debug ip rip
RIP protocol debugging is on
R1#
*Mar 1 00:09:46.759: RIP: sending v2 update to 224.0.0.9 via Loopback1 (1.1.1.1)
*Mar 1 00:09:46.763: RIP: build update entries - suppressing null update
[code]....
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Apr 27, 2011
I started studying yesterday for CCNP Route and I'm already stuck. Stupid Frame relay. Basic topology attached, 1 Hub, 2 spokes. I have EIGRP working correctly and each spoke can see all routes correctly. The Hub is on a Multipoint interface with split horizon turned off.
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Jun 17, 2012
how to configure dhcp relay agent and how it's work
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May 7, 2011
I am actually more of a 3Com guy than Cisco but I like to think I know my stuff and having just discovered this site I hope to join in as it looks a good place.I have a question about the general theroy underneath DHCP relay (IP Helper in the Cisco world I believe!)I've always put the DHCP server in VLAN1 only. A few weeks ago, I repatched the DHCP server in one of our offices (small site, single switch) into a different port by mistake. A few days ago I noticed (when doing something entirely unrelated) that I had left it in a port on both VLANs meant for PC's/phones. So, untagged on VLAN1, tagged on the voice VLAN. It had continued to work properly all that time however.By contrast, at a larger site, a new DHCP server came online and was put on a switch elsewhere in the building and was also put into a port on both VLANs - however things didn't work at all - of course we noticed immediately and changed the port setting to VLAN1 only, and it came back.In the second example, the server was on a different switch to where the main L3 switch for the Voice VLAN was (which also does the DHCP relay), and was connected over a fibre trunk link.Is there any reason why it should work on a single switch on a port on both VLANs, but not when connected over a trunk link? The server does not understand tagging. In the case where it worked, the phones were getting an IP from the correct scope; so the relay obviously must have been working with the server issuing an address based on the GIADDR field.
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Apr 2, 2012
I've a home lab which consists of three 2610xm routers and I have configured two routers back to back with FR subinterfaces. The commands are used are;
R1
frame relay switching
int s0/0
encap FR
no sh
clock rate 64000
frame-relay intf-type dce
[code].....
Everything works great with this config and I know how to configure without lmi too. My question is more for the CCNA exam and fill the gaps in so to speak. The question is when you configure FR with static mappings and inverse arp do you need actual frame relay switches on the other side of the link or can I configure on my home labs routers. I know I am gonna try and configure this as well, but can I configure multipoint on my third router with a different physical interface. Like R1 with s0/0 to R2 s0/0 and R1 s0/1 to R3 s0/0 with subinterfaces.
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Mar 17, 2011
I have a data center with virtual desktops and other shared infrastructure serving remote sites, some of which are connected to the data center with GRE over IPsec.
IP address management including DHCP is centralized in my architecture, but I simply cannot figure out how to relay DHCP requests through GRE over IPsec to my DHCP server cluster. I am working with Cisco 800 series VPN peers, and the VPNs are terminated either on a 1841 or a Juniper SRX. Everything else is just fine and dandy, but DHCP is not forwarded across the GRE tunnel.
As a workaround I am forced to use local DHCP pools on the VPN peers, which is extra work from a management point of view, and also precludes static IP address assignment where a local DHCP pool is in a VRF. My LAN devices are mostly thin clients, so I don't care if DHCP stops working when the WAN link fails. As such local pools have no upsides, they are only a tremendous hassle.
My config is very basic, public WAN in global routing table and WAN + GRE tunnel in a VRF. NAT is not used. Here are the DHCP-related configs I have tried:ip helper-address on the LAN gateway, both with and without ip forward-protocol udp bootpcip dhcp pool with relay options configured
In every case, I can see the UDP broadcasts hit the LAN gateway, but relayed packets never arrive at the other GRE tunnel endpoint let alone the DHCP server.
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Oct 15, 2009
I have defined several V LAN's and the corresponding IP Addresses on the SGE2000. The static routing works fine. On one V LAN there is a Windows 2003 DHCP Server which I have defined as DHCP Relay Server (Option 82), but no packets are relayed. Has anyone a functional setup, with dhcp relay?
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Nov 30, 2011
My BEFSR81 is my primary router and has DHCP turned on. The router's DHCP range is set to accommodate 12 devices. I have three computers wired to it and their Host names (as specified in the set-up of each computer) show up in the router's DHCP device table. I also have two printers (one old Brother HL5250DN laser printer and one new HP Photosmart Premier C410a inkjet printer) connected and there are blanks where the Host name should go. I would like to be able to tell which printer is which when I am looking at the DHCP device table. How can I get a names associated with each printer's IP address in the router's DHCP device table? (The real problem is that the router seems to have both printers at the same IP address (192.168.1.100) and if I can get one of them to change I'd like to know which one it was!)
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Jan 3, 2013
We are using LMS 3.2.1 with SP1 and Campus Manager 5.2.2.Server runs Windows 2003 R2.Everything runs fine except for User Tracking on two Catalyst 6500 switches running CatOS. These devices are discovered, reachable, SNMP works fine, neighbors seen. But when we try to launch acquisition, the UT utility complains with this error message:"Failed to start acquisition: Device unreachable. Please enter a valid device."When we wanted to add ports via Device Trap Configuration, LMS has fired a different error message: "There are no ports to configure for the selected device(s).Check whether you have selected any router(s)." I have checked the portsData.xml file, which doesn't have any ports included for the two devices: [code] We have tried to exclude / include the switches in the data collection, but that didn't work.
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Jan 10, 2012
I use a wired network connection to my neighbours Vodafone Modem (We share his monthly cost). I also have a TP-LINK 54M Wireless ADSL2+ Router from a previous broadband contract with a landline phone company. Is it possible to reset and configure the TP-LINK Router to act as a relay unit, connected to the network cable, so I can then use my laptop elsewhere in the house?
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Sep 12, 2012
I know how to disable the DHCP on the SRP527W but i was wondering how do i configure DHCP relay to point to a network DHCP server.
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Nov 30, 2011
I am trying to get an understanding of some behaviour I am seeing on my N7Ks regarding DHCP relay.I have two identically configured Vlans interfaces both configured with the same two dhcp relay servers in the same order. The only difference between the two vlans is that one is HSRP active on the A side switch and the other is active on B side switch. All clients in Vlan136 (active on B side) are getting DHCP leases from the first of the two dhcp relay servers configured while all clients on Vlan 137 (active on A side) are getting DHCP leases from the second of the two dhcp relay servers. I would expect that all clients on both vlans would get leases from the first relay server configured unless that device was unavailable.
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Apr 12, 2012
Would like to impliment VLAN's on Cisco IOS Software, C3560 Software (C3560-IPSERVICES-M), Version 12.2(25)SEB4...But I need a DHCP Realy to my Windows Based DHCP Server. How do I enable DHCP Relay on the 3560?
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