Cisco WAN :: Router 2921 With Ethernet Switch
Feb 25, 2013
I contact you due that I’m currently configuring a Router Cisco 2921 with an Etherswitch module. The specific inventory of Router Cisco 2921 is:
Router#show inventory,NAME: "CISCO2921/K9 chassis", DESCR: "CISCO2921/K9 chassis"
PID: CISCO2921/K9 , VID: V06 , SN: XXXXXXXXXXX
NAME: "High Speed WAN Interface Card - 1 Port Gigabit Ethernet on Slot 0 SubSlot 0", DESCR: "High Speed WAN Interface Card - 1 Port Gigabit Ethernet"
PID: HWIC-1GE-SFP , VID: V01 , SN: XXXXXXXXXXX"
[Code]....
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May 7, 2012
i would like to "team" two ethernet ports on a 2921 router into a single redundant link to a switch, similar to how an HP server teams multiple NICs to a single IP address. is port-channeling the best/only way to do this? i don't necessarily need the two links to be load balanced or bonded, considering the serial side of this router is just a single T1. i just want the links redundant, so in case something goes wrong with one cable or switchport, traffic will go over the other link.
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May 2, 2011
How many routed ethernet ports do they support when using HWIC-1FE and HWIC-2FE modules? On the Cisco site for the two interface modules and in the corrseponding PDF of supported interfaces for 29xx routers a maximum number of 2 2port modules(HWIC-2FE) and 2 1port modules(HWIC-2FE) is written.Does this mean, that I can put in 4 L3 HWIC modules into one Cisco 2921 router by combining these two HWIC modules resulting in a total number of 7 interfaces for this router?
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Mar 21, 2012
This is for a short temporary time until I get cisco 3560s in place. I have a 2921 configured and it is connecting to an HP non managed non VLAN switch and I cant get any traffic to pass from my computer to the router (pings or anything). Here is brief configuration that should be enough. [code]
Here are my vlans 1-default, 2-management, 192-data, 92-voice, i believe its running rapid spanning tree protocol. Do i have to take off encapsulation on my data vlan to get it to work or make the data vlan default vlan for everything. I am lost as to why this is not working.
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Nov 9, 2012
I have a Cisco 2921 and a 3750 stack. I want to use both interfaces on the 2921 to connect to the 3750 stack switch 1 and 2. Is this possible using same ip subnet?
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Jan 15, 2011
If I can use my switch as a router or a way to get more Ethernet port? Since my router is down for the count and I need more ports!
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Jun 17, 2012
My main PC and modem is in a back room of the house, my secondary PC and game systems are in the living room.My main PC HAS to have a wired internet connection because that is what I want.My game systems and second PC need a wired connection.I would like to have my D-Link wireless router in the living room so I can use the WiFi for my iPods, iPad, laptop, and anything else that I am looking at when I am sitting on the front porch. I have an Epson printer that I can hook up to my network that I want to be in the back room with my main PC.To get the internet into the living room I am going to run a CAT5E ethernet cable under my house (off the ground and away from electric wires and copper pipe) from my back room to the living room.Is it possible for me to go from the modem to a switch box (I actually have two switch boxes, but I believe I will only need one)which would be connected to my main PC, the printer, and the ethernet wire going under the house to the living room... Then in the living room have the wire that comes from under the house (from the back room) go directly into the wireless router and then from the router have cables going to my game systems and the second PC?If this will work, will I still be able to control the wireless router with my main PC?
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Jan 7, 2011
So my old router needed replacement and my dad bought a Netgear gigabit ethernet switch instead of a router. It said that it gets 1Gbps when I look inside the local area connection speed. The problem was we tried to use it like a router but only 2 computers could connect to the internet at one time but it was indeed noticeably faster when it came to video streaming speed. We since returned it and bought a Netgear N600 router that says the speed is 300mbps but like my old router it shows the speed is actually 100mbps and the streaming is good for the most part but every now and then slows down. Would using the ethernet switch with our new router work with streaming speeds and connection stability and of course let more computers connect and also use the routers wireless.
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Feb 8, 2011
I have a 3640 router with 4 Fast Ethernet Network Modules (1fe-tx, 1fe2w & 2fe2w-v2) and a Catalyst 2912 switch. I can not acheive a link between the 2 devices. All four will not get a link light and the interface(s) show no errors. If I plug the Router nic into virtually any other switch or workstation it works flawlessly. I put a switch between the catalyst and the 3640 and it works without error.
Steps I have tried...
1. Configure interfaces on both Switch and Router to Auto Speed, Auto Duplex2. Configure interfaces on both Switch and Router to speed 100, Full Duplex3. Try Both Crossover and Straight-Through verified working cables.4. Tried a second 2912xl-en switch
Both 2912 switches are factory defaulted, other then the changes I made to the speed and duplex to try to get them connected.Both the router and switches have been doing other functions (seperatlly) within our network for years?So my question is...Why is the NICs in the router compatible with every other vendor other than CISCO?
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Dec 18, 2012
I have a 2821 router and need to add another Ethernet port.
However, all the Ethernet modules seem to be End of Sale and the suggested replacements are only compatible with the ISRg2 range.
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Dec 29, 2011
In my main office, I have a cable modem which is connected to my main E4200 router. All of my equipment (except my Ooma) is served by the E4200. The E4200 broadcasts a wireless network.In my basement, I have a Wii / entertainment center. The E4200 signal from upstairs isn't strong enough to stream video.
I bought the WET610N and have successfully set it up to interact with the E4200 wirelss network. I can hardwire my laptop to the WET610N and verify the internet works greatHowever, the Wii must connect over wireless. I have other equipment in the basement which would benefit from an internet connection. So, I want to A) connect the ESXS88W 10/100 8-port workgroup switch I have to the WET610N *AND* also broadcast a wireless signal in my basement (assuming the wireless network I see in the basement is the same "old" one from upstairs which has not benefited from the WET610N).
How can I set up my WRT54G2 to broadcast a wireless signal in the basement so that it leverages the E4200 signal served by the WET610N, while also having the workgroup switch offer hardwired connections to my other equipment (like Dish Network receiver)? It doesn't seem to work by just plugging the WRT54G2 into the workgroup switch.
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Aug 12, 2011
can a poe switch be connected to an Ethernet switch
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Oct 13, 2011
I need a router to connect to our ISP by BGP and in a future to a second ISP. Our ISP is going to provide us about 300.000 route entries by BGP. So router 2921 would be enough??? or should i go to a higher model?We are going to have 100Mbps with this ISP and probably in 3 months we'll have to double it. Also we'll need IPv6 support.I saw router performance [URL]f and it's has 480.000 PPS and 245 Mbps but for 64 bytes lenght packages. If the packets are bigger the throughput should be best I suppose... 1500 bytes about 5,5 Gbps. In the case you consider the model is sufficient, the flash or RAM should be increased?
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Aug 3, 2012
my computer doesn't have a COM port, so i connected an EthernetCOM cable to my laptop (ehternet end) and COM to the switch. Question now is, how can i establish connection?
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Feb 20, 2013
Is there a recommended number of GRE tunnels that Cisco 2921 ISR router with default configuration (512MB DDR2 ECC DRAM) can support?
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Aug 8, 2012
I have a Ethernet module (SM-ES3G-16-P) installed in a 3945 router and noticed during first boot no licenses are active at all. I would assume at a mimimum ipbase would be active. With this module, does static routing work with just ipbase?
Example:
interface g0/1
no switchport
ip addr 192.168.254.2 255.255.255.0
[code]....
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Dec 10, 2012
I have a couple of 2600 APs (external antenna) which are getting PoE from my switch but no ethernet. This is happening on both APs. If I connect a laptop to the (cat5e) cable I get ethernet. If i move the AP to another patch lead adjacent to my switch I get ethernet connectivity too. So, change the cable is the answer I thought, however I have exactly the same issue on both APs and each ethernet cable has been reterminated a number of times (straight through). I wonder is the 2600 AP less tolerant to the actual ethernet cable ?
I just swap the cable, however the patch leads have been run (only 15m or so) and have been replaced once - relaying again is not an easy job. It's more a case of reterminating the cable that is already there and as I've already done this a few times on each patch lead and the results are the same each time I'm thinking I'm missing something obvious.
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Jul 29, 2012
We have 2 internet providers and I would like to find some way to switch our 5 computers between the 2 internets without having to unplug the ethernet cables everytime someone wants to switch. Is there some type of switch we can buy for each computer to do this or is there no such thing?
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Oct 10, 2012
I have a school club, but our school does not allow any wireless networks within the school perimeters.Wired are allowed, but wireless are not allowed.I plan to host a LAN party for my club, and we will have about 20-30 people.We cannot have any internet access, and I have not touched a wired stuff, There is a 24 ethernet switch, and if I buy one, and suppose I buy another 24 ethernet switch (I know there is a 48 ethernet switch), can I connect those two 24 ethernet switches to make 47 ports?* For a LAN party without internet access, can we use an ethernet switch or do we use something else?* For 20-30 people, it is recommended that we have a ~8mbps upload speed. When ethernet switches advertise 10mbps, is that upstream & downstream? When all the computers are hooked to 24 ports, does the advertised 10mbps go lower? (I have seen 100/10 mbps, and I don't know what that means)
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Mar 27, 2012
Via ethernet which cable is use between printer to switch
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Jan 6, 2012
I have a D-Link Ethernet Switch. I have my computer and a Roku hooked to it. I tried hooking Another Roku and it cannot hook to Network. I unplugged my old Roku and hooked the new one and no problem. Just can't hook both up at once. Is there something I should be doing to enable this? I am allowed 4 computers through my network.
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Jan 9, 2011
I'm going to be wiring a new (to me) house with a couple cat 6 runs to each room. The runs will all be brought back to an enclosed 6u rack and cat 6 110 style patch panel. This rack will contain:
- HP 2824 Switch
- PfSense router (Supermicro X7SPA-HF ITX board)
- DSL modem
Since the rack is completely metal and enclosed I'm going to put my Netgear WNDR3700 WiFi router (used as an access point only) on top of the rack. My question is, what the implications are in regards to placing a WiFi device right next to a bundle of ethernet cables?
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Jul 11, 2012
I am installing a security license on Cisco 2911 Router for the first time. It already has a temporary license installed on it which is expiring soon. Cisco has already mailed me the procedure for installation. I want to know if i need to uninstall the previous license before installing the new one.
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Apr 15, 2013
We recently acquire a cisco 2921/K9 router to interface 2 networks
Network 1 : 169.254.XXX.XXX/16 on GigabitEthernet0/0 interface
Network 2 : 192.168.1.XXX/24 on GigabitEthernet0/1 interface
On the network 1 side there is a multicast source (169.254.200.200 destination : 225.0.0.1) on the network 2 side there is 1 receiver which is not multicast capable(old) but i want it to receive the multicast stream for the moment we configure the ip multicast-routing and each interface each interface with ip pim sparse-dense-mode then configure the GigabitEthernet0/1 in order to join the multicast group (using ip igmp static-group 225.0.0.1) and wireshark confirm that the multicast stream on the network 2 side from 169.254.200.200 -> 225.0.0.1 of course the receiver don't the stream, but if i force a "multicast to unicast" process inside the router it shall be ok.. after many hour of internet browsing i found 2 solution :
- NAT, [URL]
- multicast service reflection (Cisco documentation)
The NAT example don't work ,what is the best way to do this task.
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May 19, 2013
I need to configure cisco router 2921 for snmp v3,
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Jun 27, 2011
I just purchased thie Cisco 2921 router and have all the configuration completed except the Firewall and NAT. We have 4 supnets at our location on the router each with a DHCP handed from the router to our network. Any examples for the Firewall and Nat configurations?
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Oct 2, 2012
We have a 2300 RPS with single 1150WAC power supply (C3K-PWR-1150WAC) which is connected to one 2921 Router. But it is not backing the rotuer.
Router 2921 running IOS
c2900-universalk9-mz.SPA.152-2.T1.bin
I am getting the following logs:
*** External Redundant Power Supply is present, but type is unknown or not supported.***
%ENVMON-1-POWER_WARNING: : RPS Online Insertion and Removal is not supported.
Do we required any configuration to be done on Router end.
Note: The RPS is backing 2960 Switch.
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Mar 23, 2012
Im having a ACT Broadband internet connection, he provides internet connection through a wire which runs into my room that can be directly connected to the my computers NIC. Whenever i switch on my computer and opens the browser it first redirects to the page url... where it asks for Username & Password, our ISP gives us a IP Address which displays on the web page after logging in.I want the internet connection to be shared with my roommates so i bought a 8 port Ethernet switch (url..), which is having a uplink port also. I have connected the wire given by the ISP to the up link port of the switch & i connected my PC to one port of the switch with another network cable. I also connected my friends PC to second port of switch with another network cable, my problem is that when i sign into my ISP web page and start using the internet & my friend also wants internet in his PC & when he opens the browser the ISP's webpage is appearing and when he sign's in internet is disconnecting in my Pc. I tried to change the IP but as a default IP is given by the ISP if change the IP internet is not working.
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Jan 13, 2012
I connected a switch and the device is not even recognized in my router site.
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Feb 21, 2013
I bought a "Nexxt Solutions 8 ports Ethernet Switch" and it only allows me to use the internet on the first computer that I plug into one of the Lan ports. I get a Limited Connection MessageI did some research and found something about a DHCP Server and automatic IP assignment, but I can't find a comprehensive tutorial on how to setup this.I'm sure the solution is simple.
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Oct 2, 2012
OK i'm re-organising my network setup, most of my devices in my room are hard wired through Ethernet but some devices in the house need to run wireless.Currently i am running a super hub that has been configured into just modem only and a wireless router that gives wireless and hard wires up to 4 devices. Im wanting something that can be mounted out the way like an Ethernet switch but give it wireless accessibility too. I see you can buy access points to connect to your Ethernet switch device but will it give ample wireless connectivity if im running 4+ hardwired devices?I have recently been upgraded from 30Mbps to 60Mbps, this is fed from cable connection to the modem.
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Jan 14, 2013
I have a Cisco 2921 Router,with 3 giga interfacesi have a leased line for the internet with a public ip address and i want to configure this router as NAT /PAT gateway, so that users in my network can ue the internet by the router,my wan interface is g0/0 - ip 122.xx.xx.xx lan is g 0/1 -- 192.168.1.1 /24 . i have tried doing nat once but i was not able to make the wan port up.using cisco CP when i test the interface it givves error and i dont get internet to my users.
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Oct 23, 2011
I have a trouble with PPTP VPN between Windows clients and Cisco 2921 router with RADIUS (IAS) authorization. When I try to connect to Cisco 2921 from Windows 7 using MS-CHAP v2 I receive error 778: it was not possible to verify the identity of server . Then I use PAP - everythig is OK. On Windows XP the same situation.
Cisco config:
version 15.0
service timestamps debug datetime msec
[Code].....
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