Cisco Switching/Routing :: 2620 - Unable To Connect To Internet
Jul 9, 2012
My configuration is the following
Router ISP >>> Switch 2940 >>> Router 2620 >>> Host (Tacking dhcp from my 2620)
I got servers and other switches 2950 working perfect from the 2940....but the 2620 or even a Switch 3550 (in router L3 port), has the same issue...do not share connection with Host's behind them, I got IP on the host, pinging the Fa0/1 (dhcp), pinging the Fa0/0, but cannot ping the GATEWAY and not surf the internet.
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Jan 7, 2012
I am a recent student to Cisco products and I have purchased some (what I thought was good) lab equipment to learn with on a budget. What I have is a 2948G switch and a 2620 router. My issue is this: the router has only one fast Ethernet port. Is it possible to use V LAN's and V LAN Interfaces on the router and switch to somehow emulate a second interface to connect to a WAN or sub net?
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Feb 10, 2013
I finally decided to get my own home lab so that I can configure to my hearts' content and not have to wait for access at the school to do it. I have three 2620 routers inter-connected with wic2t cards, and five 2950 switches. I have already set the config reg. on the routers to 0x2102 so that I can save my configs when I power down. When I pulled up the config regs on the switches, they all had 0xf as the reg number. Is this a good config reg number to have if I want to save the config before I power down?
Also, what would be a good ios version to have running on the switches and also the routers? I have access to other cisco IOS' but I want to double check. With this setup I would practice bgp, ppp, frame relay, rip2, ospf,eigrp, stp, pvst,pvst+, Rapid pvst+, rstp, and mstp.
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Oct 29, 2011
Does 2650 and 2620 support MPLS ? If yes what IOS version should i download?
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Dec 28, 2011
I am attempting to add an additional ethernet port on a Cisco 2620 router using a NM-2FE2W card, however the card is not being detected. I read that this card is compatible with this model router, but I have also notice that there is a version 2 of this card. Have I ordered the wrong card or do I possibly have a defective card? My ISO version is 12.2(26) on the router.If this card is not compatible, what is the recommended card for adding an additional ethernet port on this router?
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Nov 10, 2011
Need to know if i can add 1 FE card to 2650XM or 2620 Routers.i know we can add Ethernet card but it is only 10MB .
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Jan 10, 2012
Which WIC or NM Ethernet card is compatible with a 2620, (non XM) router? I have seen conflicting information on compatibility. I am wanting to connect this router via an Ethernet Port with a non Cisco router that is connected to my ISP.
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Aug 25, 2012
I am trying to create a backup of my 2620 router so I can use for GNS3.
I have only configured the IP address on my FastEthernet port. Having many issues with no connection to my pc, finally I found that you must enable the interface 'no shutdown'. Now I have a valid connection
I have made no other configurations on this router, everything else is default.
I can successfully PING from both ends
**PROBLEM: My problem is that when trying to 'copy flash' to my TFTP server, the response is**
".....
%Error opening tftp://192.168.1.3/c2600-advsecurityk9-mz.124-1a.bin (Timed out)
Router"
Is there another setting I should enable? Remember I have made no other configurations bar the ones above.
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Jan 12, 2013
I am new to Cisco networking (I just passed my A+ test and am working on my Network + test with an end goal to finish with a CCNP) and I bought a Cisco 2620 XM and a 1605R to figure out how to setup and practice on. In my house we have Verizon Fios with the standard Verizon appliance feeding internet to the rest of the house. My question is that will my Cisco appliances be usable with an out connection from the Verizon appliance? I am concerned because the connection that comes into my room from the Verizon router would be considered a LAN connection, not a WAN? Also in order to configure the router, I believe it needs an RJ-45 to serial to plug into a computer for setting up. My computer doesn't have a serial port so will an RJ-45 to USB work (since that is serial as well)?
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Jan 27, 2013
I have a lab setup to take my CCNA and CCNP and I'm having issues trying to get WAN connectivity back to a switch at the end of my network. My lab environment consists of 1 - 2950 switch, 1 - 2620 and 1 - 2621XM. I have 1 Ethernet connection from each router to the switch and 1 serial connection from the 2620 to the 2621XM. I have the serial interfaces in a shutdown state right now so there is no loop since I do not have Spanning tree setup on the ports on the switch yet.
Right now using the fast ethernet ports on the routers and I have no issues its when I shut down those Ethernet ports and try using the serial interfaces when I start having issues. So my network layout is Ethernet from switch port f0/4 to port f0/0 on 2620 and serial from s0/1 on the 2620 to s0/2 on the 2621XM. My 2621XM f0/1 is whats connected to the WAN and I have no issues getting to the WAN from my 2621Xm or my 2620 but when I try pinging any website or even my WAN default gateway from my switch I get nothing!
Ive also noticed that when I do a IP NAT translation (after accessing the WAN from my 2620) on my 2621XM the source IP is of my serial connection not the ip of my 2620 router? I have my default gateway on the 2620 as the the IP of my serial interface on the 2621XM and vice versa because my LAN network is 172.16.1.0 and my WAN is 172.16.9.0. I have a /31 setup between my serial connections 172.16.11.0 (s0/1) is on the 2620 and 172.16.11.1(s0/2) is on the 2621XM. I used the SDM (ver 2.5) to setup NAT to have f0/1 with Nat outside and s0/2 as Nat inside. Encapsulation is HDLC between the serial links. Ive attached the running configs of the switch and routers.
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Nov 25, 2011
I have 3 2620xm routers connected via dte/dce serial connections In a lab.One of the routers Is also connected to a 2950 switch.
The 2950 switch connects to an unmanaged tp-link switch that Is connected to a dsl modem/router.I have Internet access via the 2950 to my laptop.
I have ripv2 enabled on all the routers and It's working fine.The dsl modem, switch and connected router are on the same subnet.
When I ping the dsl modem via the 2950 or via the router connected to the 2950 , It works 100%.If I ping the 2950 from either of the other two routers , It also works 100%.I can't ping the dsl modem however from the other two routers.I've only been studying for the ICND1 so maybe there's something I'm missing here.
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Nov 25, 2011
I have 2650XM router and 2620 Router Both routers have built in WIC T1 CSU/DSU cards
2620Router --
2620Router#sh int se0/0
Serial0/0 is down, line protocol is down
Hardware is PQUICC with Fractional T1 CSU/DSU
Description: DTE side
MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation HDLC, loopback not set
[code]....
My question is that cisco website says there are two type of cable connections for this type of config --which are --T1 CSU/DSU ConfigurationSet one CSU/DSU to clock source internal, and the other CSU/DSU to clock source line. The linecode, framing, data-coding, and timeslots must be set the same on both CSU/DSUs.Four-Wire 56k CSU/DSU Configuration For my network connection which type of config i should use??Secondly i try to connect these ports by normal crossover cable it did not work.So for this type of connection i know i need T1 cross over cable-- which has RJ 48 connections at both sides.I check cable from ebay which is RJ45 RJ48 cross over -- will this cable work in my router to router connection.
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Mar 4, 2013
In recent days, there was an electrical fault and my computer does not automatically connect to the wireless network in the house, since then. I do not know what happened.
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Jan 9, 2013
I'm trying to resolve an issue I'm having with connecting a WLC to the access points. I've inherited a net gear WLC and access points. Having redesigned the network and moving the WLC into the data center I am unable to connect to the APs. The APs are on 192.168.0.x addresses and the WLC is on 10.2.0.x address. I am able to ping to the closest switch (the one the APs are actually attached to) but not the the APs themselves.
All other devices are Cisco devices 4006 to 2950. So it goes WLC (10.2.0.33) - 4006 (10.2.0.23, 192.168.0.99) - 2950 (192.168.0.100) - APs (192.168.0.10 - 35). I have OSPF enabled, I am able to ping from the WLC to the 2950. So from 10.2.0.33 to 192.168.0.100, no problem with that. I try and ping from 10.2.0.33 to any of the APs ie 192.168.0.15 and it cannot find it.
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May 7, 2012
Im not going to lie, I'm pretty much a beginner when it comes to switches. I have recently purchased a second hand 3512 XL which I have managed to connect to via PuTTY and the console cable. I have familiarized myself with access privileges and resetting passwords and locating the IP address, etc.
I am trying to connect the switch to Cisco Network Assistant however I am unable to connect to the switch over a cat5 on the first port (nothing else is on the network, just a server directly to the switch). I have tried pinging the switch from my server, and similarly I have tried pinging the server from the switch and each time there is 100% fail rate.
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Sep 21, 2012
I have a problem with extending the LAN on a client site . They are looking to extend the LAN with a 2960S-series switch. Already in place is a 4510 switch which the 2960 is connected to via fibre. The 2 switches are both set up but there is no connectivity as I cant ping between them or anything. The management VLAN on the 2960 shows line up, protocol down, which I believe means the VLAN is enabled but there is a form of physical mismtach on the ports. I have attached the configs of both switches. I feel it might be a problem with GBIC module compatibility. The SFP installed on both ends of the switch are GLC-SX-MMD. On the 4510, the SFP sits in a twingig converter (CVR-X2-SFP) but there is no light on it at all when the cables are plugged in.
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Feb 25, 2013
I have installed the six new WAP with model Cisco AIR-SAP2602I-E-K9, and we have two SSID for the new WAPs. When the users are connected to this WAP they can able to access the intranet but not able to access the internet. What could be the problem? I have checked and verify that they can able ping to the IP address of google from the CMD but when try from internet explorer they are fail (both with www.google.com & with IP address of google).
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Apr 1, 2013
I am using a Cisco SG-300 28 port switch in layer 3 mode as my default gateway for all my devices. I have two vlans on the switch, vlan 1 and vlan 4. Both are pulling valid IP addresses in their scope from the DHCP server, and both have valid DNS settings. I set a static route to the Internet on the switch to our firewall (192.168.5.254). All devices connected to vlan 1 are able to access the Internet, however all devices connected to vlan 4 cannot get past the switch. A tracert from one of these devices shows it hits the switch as the gateway, but gets no further. [code]
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May 19, 2013
I am unable to connect a Wifi Modem wiith 2960 Switch having VLAN 1,Attached is the network diagram,what configurations i have to modified it,I need to Connect A Wifi Modem on VLAN 1 ,Connectivity is working fine between VLAN 10 and VLAN 1.What should be the next step to Connect Wifi Modem to VLAN 1 so that Users on VLAN 10 should connect to Internet.
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Feb 23, 2012
I have configured vlans in 3560G switch but vlans notable to accessing Internet
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Aug 21, 2012
configuring 2620 cisco to cable modem for internet.I'm setting up a lab to practice and am having trouble getting this to work.Made several configs that don't work and starting over form scratch.
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Nov 16, 2011
I have router connected to 2 3550 switches directly. 3550A and B switches are running HSRP. OSPF is running between Router and 2 switches.
From Switch B i can ping the Router Wan interface but not the internet sites. from Switch A i can ping any sites?
Switch B
3550SMIB# sh ip routeCodes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1
[Code]......
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Jan 18, 2013
From My Router that connects to Cable modem i am unable to ping website 4.2.2.2I am able to ping all other websites fines.Same website i can ping from my pc and all other switches fine.Router has only 1 ACL thats for NAT.
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Jan 6, 2012
I have the following devices for our IT Test LAB
1. Cisco 1841 with 2 Fast Ethernet interfaces fa0/0 & fa0/1
2. Cisco 2960-S
3. Speedstream 6200 DSL Modem ( PPOE Connection with Static IP address)
I want to connect to the internet using the current DSL connection we currently have .
LAPTOP --> SWITCH 2960 --> ROUTER 1841 ---> DSL Modem ---> ISP
Troubleshooting 1: Currently from the LAPTOP i am able to ping
1. Switch 2960 Vlan interfaces
2. Router 1841 fa0/0 & fa0/1
BUT can not Ping the DSL Modem LAN interface IP 192.168.2.1 and can not get out to the INTERNET
Troubleshooting 2:currently from the Switch 2960 i can ping
1. All the Vlan interfaces on the Switch 2960
2. Router 1841 fa0/0 & fa0/1 interfaces
3. Laptop A & B
But can NOT ping the DSL modem LAN interface IP 192.168.2.1 and can not get out to the internet
Troubleshooting 3:Currently from the Cisco 1841 router i can ping
1. All the Vlan interfaces on the Switch 2960
2. Router 1841 fa0/0 & fa0/1
3. Laptop A & Laptop B
4. Can Get out to the internet. I am able to ping any internet destinations without any problem
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May 26, 2012
I have a cisco 1801 (fixed), and want to use the fe0 WAN port to connect to the internet via a virgin media cable modem.
I am having a few issues (partly as I am new to cisco) and despite reading numerous posts both here and other sites, I am still stuck on how to setup the WAN side, I have read about virtual dial up & dialer interface.
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Sep 8, 2012
I am with Virgin media and have a home lab (2611 routers, 3550 switches, 2950s etc) which i usually just use for testing things on and practicing.
Now I tried to connect it to the internet and got some weird things happening.
I got NAT and DHCP client all setup correctly on the router (or so I think!) along with DNS settings but I still can't get Internet access.
My network is all setup right so that through using OSPF the router is the gateway (0.0.0.0 route) for all devices. Doing a traceroute confirms this.
Yet I never get any further than the router? I see IP nat translations ticking up as I send more requests but never get a webpage or a reply from any of the machines in my network.
HOWEVER... The router itself does get some replies from Google.co.uk and bbc.co.uk but doesn't seem to want to give anything else on the "inside" a response?
Here is a dump of config:
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
[Code].....
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Jun 8, 2011
Few days ago I started to get the following error message while trying to connect to the internet using Chrome and IE:"Unable to connect to the proxy server..."I don't have a proxy server configured - nothing is checked in the LAN settings page.In Firefox I don't have that problem - it seems it gets the proxy configuration from elsewhere.
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Mar 1, 2013
In my device I am able to browse through & connect to my HOME wifi network ; But after connecting it says 'No Internet Access'.I tried connecting with my SONY Bluray , iphone , ipad , laptops -- everywhere same story.I am able to plug in the ethernet cable directly from modem & able to connect to network.I am not able to open the http://192.168.0.1 -- ( When I am plugged in the modem directly)
Following are my router details
FCCID - KA2DIR601A1
IC : 4216A-IR601
H/W Ver:A1
F.W Ver:1.00 NA
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Jan 15, 2013
My company is using catalyst 3650G which we configured to route between vlans.ports 1-12 on the switch are configured to be in vlan 50 which serves as our servers vlan,port 13-20 are configured to be in vlan 100 in which the CE500 switch connected to (end users are connected here). we have two CE500 swithces and they linked each other via the gigabit uplink port.port 24 is configured as a routed port and connects to a 2811 router.We want to change the Internet connection from Leased Line to Broad Band.Currently we are using the(Leased Line) primary network.Whenever we are try to change the (Broad Band)secondary network,It's not happening the internet[CODE]
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Sep 30, 2012
I come here today with a problem that has been plaguing this laptop forever and a day. You see, about two or so years ago on this very laptop, it was just another day where I booted up my laptop and was going to get a good day of wasting time on the internet underway. I tried to open Firefox, and I got prompted to download an apparent update for the browser. Obviously I went along with it because it seemed pretty routine and identical to how Firefox had updated in the past.
After the update was all done and dusted, I found myself unable to connect to the internet through Firefox. I would just get a constant stream of "Unable to connect" messages. I thought it might have been a problem on my end since back then I had rather wishy washy internet. So I let it settle for a while. Later on that day I talked to a few of my buddies over Xbox Live and asked if they'd had any similar issues with the new Firefox update because at the time, we all used it and hadn't quite jumped ship to Chrome just yet. But no matter who I asked, I always got the same response "I didn't get any update." Which as you can imagine, confused me quite thoroughly.
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Apr 28, 2012
We recently purchased Cisco 3560X Layer3 Switch. We need to perform simple Inter VLAN routing. We have configured VLAN1 (name-server_vlan) and VLAN2 (name- user_vlan). We have also assigned the Ports and IP address to both the VLANs. After assiging this if we plug Laptop A into VLAN1 then it doesnt communicates with Laptop B (btw, Laptop A is able to Ping VLAN2 Gateway ) in VLAN2 but on the other hand Laptop B is able to communicate with Laptop A and ping everything i.e. Gateway of VLAN1.
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Jun 22, 2011
Simply what happens when I attempt to connect to the wireless network (Home network). I'll click 'Connect', it will start attempting to connect, it will keep attempting to connect for a good few minutes and then just stop, no error message, no 'unable to connect', it will just stop and I'll be back to square one, the home wireless connection will still be there but not connected.
The connection displays as full signal all the time, but will not connect. In the house we have also got 3 other laptops running from the same connection from time to time, these all connect fine without any hassle.
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Jan 26, 2012
I recently purchase dan internet radio and have not been able to connect it via my cisco router
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