Cisco Switching/Routing :: Will The HWIC-3G-CDMA-V Work On 1721 Router
Feb 22, 2012
I am working on a backup system for my WAN. Verizon quoted the HWIC-3G-CDMA-V to work with my Cisco 1721 router. I have a bunch on these routers on a shelf and thought I would use them for the 3G network. Looking at the Cisco web site it does not list the 1721 as being able to work with this HWIC. I thought it might not be listed as the 1700 series are End of life. Whether it will work?
The problem is I can't access the router from the internet. I am also an ocean away from the site. I have an ugly hack set up where I access an inside PC with Teamviewer and then puTTy to the router, but it is slow, ugly, and doesn't fix my problem. I need to be able to set up internet accessible servers at this location for VOIP, VPN, and REAL remote access.Everything else works fine. Connection is stable. Speed is kinda ******, but that's not so important.
First off some specs:Cisco 2801c2801-ipvoicek9-mz.124-24.T1.binhwic-3g-cdma-sSprint 3G data plan
Ok, I have set up the previous equipment as a router for a branch office where 3G access is the only available internet access.I have had the excruciating experience of talking with Sprint Tech Support, and would rather shoot myself in the foot than do so again.
Here is what they told me: "They block ports, but they can't tell me which ones."Here is relevant info I have been able to gather.The IP connection the ISP gives us is not NATTED. That is the address at wimi.com and show int dialer 0 is the same one.Most forums say Sprint only blocks port 80.Zenmap (nmap for windows) says the router has NO open ports but DOES exist.Router does not respond to pingsCan't SSH into router from internetCan't access a test local server with port 8080 or 8081 open with the correct nat statement in Cisco routerNo filtering access-list for testing The config should be just fine as a base config for using hwic-3g-cdma-s as the main internet access interface for a router. Everything works fine aside from the lack of remote access.
So in my head it has to be one of 3 problems.
1. The card is doing some weird stuff to incoming requests
2. Sprint is blocking WAN requests on port 22, 2200, 8080, and 8081 and pings (tested). Maybe they block all WAN requests?
3. There is something wrong with my config.
why I can't remote access into my router or things to try with the config?
Below are some config pastes:
chat-script cdma "" "ATDT#777" TIMEOUT 60 "CONNECT" ! ip ssh authentication-retries 2 ip ssh port 2200 rotary 1 ip ssh version 2
I am using a bunch of Cisco 1721 routers for my T1 lines. We recently purchased Digi cell modems as a backup for the T1. On configuring vrrp to work on both devices I discovered that IOS 12.3(6c) does not support the "vrrp track" feature. After reviewing the Cisco Feature Navigator I could not see an IOS that will support the vrrp object tracking. Is that correct? The routers have T1 WIC's installed. If it does work what is the latest IOS that will work on this end of life product?
I started to set up a 1721 router with WIC-4ESW. This is on an internal network, so only looking to just do routing from FA/0's interface to the networks attached to ports on the WIC. I first assigned just VLANs to 2 of the ports and this did not work. So I did some reading up and decided to use bridge groups. Except I still can not access the interfaces on the WIC. And by that I mean on the router itself I can not ping the ip assigned to the BVI.
I have another 1721 w/4 port that long ago I seem to remember simply assigning VLANs to the interfaces and I was able to communicate between the networks without issue (or maybe I just don't rememer that well). Thing is I should be able to at least ping the internal interfaces shouldn't I (assuming the status is up). I don't know why BVI2 and 3 are listed as down, nor do I seem to know how to bring these up.
This is what ip int br gives me: 1721#sh ip int br Interface IP-Address OK? Method Status Protocol BVI2 192.168.101.1 YES manual down down [Code]....
I have an interesting problem. I've configured a site to site VPN connection between these two devices. I am using the CDMA card as the primary and only outside connection on the 1921. What happens is that by default the cellular connection is offline. When traffic is generated internally from that network to the concentrator side of this scenario the cellular connection goes online and builds the tunnel, no problem. However, I cannot initiate the tunnel from the concentrator side. I think what i need is a way to force the cellular connection to always be on, and if it fails to come back online.
I understand that the PCEX-3G-HSPA requires and a sim card. I also have a PCEX-3G-CDMA-V. Does this require a sim card as well? And if so, where is the sim card installed?
I have a new 8881G-w router with the following info:
(C880DATA-UNIVERSALK9-M), Version 12.4(22)YB2, Serial No. FTX1331830T
Need activating the CDMA . when I tried to login to the Cellular interface it shows me the following warning:Warning: 3G Modem is not inserted Configuration will not be effective until modem is inserted
I want to activate and configure CDMA and i don`t know from to start..
enable dot1q encapsulation on two ethernet ports on a 1721 router. I am able to configure it on the built in fastethernet port, but not on any interface provided by a WIC-1ENET or a WIC-4ESW. I have an application that requires two physical ethernet ports that support dot1q encapsulation.
I would like to know can we configure vlans with cisco 1721 Modular Router? Is it Possible to configure lan environment with the vlans configured in 1721 router without a managed switch?
I put a second HWIC-4ES in a 3825 router and it does not work, only work the first card that is inserted, I use the slot 0 for it, the 0/0 and 1/0 work with serial card only if I put the HWIC-4ESW in this slots the router does not work, only work in 0/2 and 0/3 but only one, I need to know if there is a command to active it because the data sheet in CISCO indicate that this model of router support 2 HWIC-4ESW. url...
router 1721 with one wic-1adsl ,i have adsl conection with irb static ip. the router connect with mannaged switch through a trunk port. the switch has 2 vlans one for the static IPs and the other for private lan. i need the private lan to be able to go to internet. vlan2 can go to internet because it has the same subnet with provider but vlan 1 canot go internet, so how i can make all vlans go internet(the router has only 1 fastethernet port)
I have a 1721 router installed with both an adsl wic and a 4 port switch wic card. My setup is as follows:
pc connected to port 3 (mode access on vlan 20) on the 4 port switch wic (installed in 1721 router)port 4 is configured as trunk (encap dot1q) and connected to fasethernet 0 (inbuild of 1721)fastethernet 0 configured with no ip address?
created sub-interface fastethernet 0.20 with encapsulation dot1q on vlan 20?ip address of sub interface 0.20 is 192.168.20.240?pc nic ip address is 192.168.20.245 however cannot ping 20.240?I want to use only this router with its switch wic for vlans and internet?
I have set up a couple of vlans on a cisco 1721 router 4esw card using the vlan database and assigning an ip address of 192.168.1.x and 192.168.2.x for each vlan interface.Strangely enough connected computers can talk to the other vlan and I have not set any subinterfaces on the etherner0 (layer 3) and not even connected a cable.Is there any reason why this should happen since they should not talk to eachother being on seperate vlans.Doing a tracert shows that first the vlan ip address is hit and then straight to the target pc in the other vlan?
I can ping [URL], from the router but not from a client attached to the router dhcp interface(10.1.3.1). When I turn on ip routing I cannot ping at all. Here is the config I have now that can ping the internet from the router.
sh runBuilding configuration... Current configuration : 1191 bytes!! No configuration change since last restart!version 12.3no service timestamps debug uptimeservice timestamps log datetime msecno service password-encryption!hostname
I have a Cisco 1721 router with an ADSL wic. I have followed guides on the Cisco website so that I can connect the router to my home adsl connection. The router connects to my broadband provider and sucesfully obtains an IP address along with Dynamically assigned DNS servers. I am able to ping google.co.uk from the router but not from clients attached via DHCP.
I have noticed that if I ping the IP address of google.co.uk from a client it resolves but it will not resolve the name. This would lead me to believe that the problem lies with DNS resolution/forwarding but I do not know how to investigate further.
My company just assumed management of a remote entity. The network has several misconfigurations and I need to make some network modifications from my office w/o losing access or incurring lengthy outage to the clients. The network consists of 1721 router and three 2960 switches.
- I only have access to the router from the Internet. I telnet off the router to the 3 switches.
The site uses a single class C 192.168.1.0 / 24. The router is running RIPv2 even though this is the only network. The prior network person (contractor) set up separate native vlans on each switch and all the ports are defined as Native trunk and access are defined to the VLAN interface assigned to the switch. So of course the logs are flooded with Native VLAN mismatch, Each 2960 switch is a VTP server but has no VTP domain.
basic network layout:
Internet => Eth [Cisco 1721] => Fa 0 192.168.1.254 ==> [SW1] [SW1] interface Vlan1 no ip address no ip route-cache!interface Vlan220ip address 192.168.1.219 255.255.255.0no ip route-cache
[code]....
!interface GigabitEthernet0/1description SW2 Gi0/1switchport access vlan 204switchport trunk native vlan 204!interface GigabitEthernet0/2switchport access vlan 204switchport trunk native vlan 204!interface Vlan1no ip addressno ip route-cache!interface Vlan204ip address 192.168.1.224 255.255.255.0no ip route-cache Normally, I would assign the current 192.168.1.254 to a subinterface to Router Fe 0/0 but with each switch having its own native VLAN I am afraid I will lose connectivity to the downstream switches -- my only access is telnet off the Cisco1721 Router.
I have two site that has a copper wire ( 2 wire) connection between each router ( No Telco in between ). Now I want to use 1921 router with HWIC-4SHDSL-E card to connect these two site together. Can I use attach configuration to make the connection reference from the diagram ?
I have a 2811 ISR, a lab unit with almost nothing yet configured other than some IP networks on serial and FE interfaces to ping to other lab routers. And I have one HWIC-4ESW installed, and I amrunning IOS 15.2.I want to set the card as a single routable interface and just have the ports act like switch ports, which I imagine is the default design of these cardsI work a lot with Cisco 891 ISRs so figured it's the same here, assign an IP to interface Vlan1 and all is well. That was wrong, obviously more config is required.It seems there are a lot of differing answers out there, so far none what worked for me. The best looking one I could find said to assign an IP to the Vlan 1 interface, then go to each of the four FE interfaces on the switch module.
Maybe this was listed in the release notes for the product and I missed it, but can this item support Etherchannel in a 2801 router? I installed the module into the router and the router recognizes the module. I can configure the ports as access or trunk ports, but I am unable to configure the channel-protocol or the channel-group for the Etherchannel. The IOS on the router is 15.1 M with the upgraded Bootloader version 12.3.
We have been facing a problem at my company ! We have a Cisco Router 1921 with one HWIC-4ESW in trunking with a RuggedCom switch RSG2100.When I use the GigabitEthernet port to make a trunk, I create 2 sub-interfaces (one for each Vlan) and configure the Port on Switch as Trunk, the inter-VLan routing works with no problem.But now I need to use this configuration using the HWIC-4ESW on Router, and I can't do this work. I try creat interface Vlan for each vlan, and try creating the VLans at Router Vlans database, but no way. At router I enter in interface and try to do the switchport trunk command to add a Vlan, but doesn't work.
We have two cards HWIC-4ESW on router 3845 but we need that the two cards 8 ports conected betwen, if a pc on port 1 can ping a pc conected on port 8 on second card. tis comunication can,t doing a pc on port 1 can,t conected a pc on port 8.
I have not yet completed my CCNA, however I have managed to configure a 1841 router with 1 x HWIC-ADSL1 and it also has 1 x HWIC-AG-AP-A which is the only part I am unable to get working.
The Wi-Fi (Dot11Radio) config has enabled me to see the SSID from wireless devices, but they never get an IP address. I need them to get the same IP range as the DHCP service I have in there 203.35.10.xxx, there is no option for "IP ADDRESS DHCP" only "IP ADDRESS POOL LAN" Lan is of course my DHCP pool name. however I cannot have the same DHCP pool on both Dot11Radio interfaces.
I know I'm missing one very simple command, but as I've never worked with Radio on Cisco equipment, I am unsure how to fix it.
Then once I get that worked out, I need changing the access from OPEN to WPA or WPA2, etc..
IOS Software on Router is C1841-ADVSECURITYK9-M - Version 12.4(9) T
I can upgrade to a better version of software if needed, I only have a 32mb Flash and 128Mb Ram.
The current Radio Config is:
! interface Dot11Radio0/1/0 no ip address no ip redirects
I have this card installed onmy 3845 running version 12.4(18). But this card fails to show up.
here is what I found in a show tech.
WIC Slot 0: Unknown WAN daughter card WIC module not supported/disabled in this slot Hardware Revision : 2.0 Top Assy. Part Number : 800-27738-02 Part Number : 73-10677-02 Board Revision : B0 Deviation Number : 0 Fab Version : 02 PCB Serial Number : FOC******** RMA Test History : 00 RMA Number : 0-0-0-0 RMA History : 00 Product (FRU) Number : HWIC-2FE Version Identifier : V01 CLEI Code : COUIAFUCAA Base MAC Address : 001a.6c70.260b MAC Address block size : 2 Connector Type : 01 EEPROM format version 4 EEPROM contents (hex):(code)
whether a Cisco Router 2911 would work on images other than universal image. This is the question raised by one of our customer. He has 2811 Router where-in he has configured T1/E1 configuration, terminated to Zyxel Modem and working fine. Now he wants to replace this 2811 router with 2911 router. Since the universal image in 2911 router is not working with the present configuration in 2811 router, he wants to know, what options are there for him to configure this in 2911.