Cisco Switching/Routing :: 1700 ADSL Router - Connecting 2 Sites Together
Jan 23, 2012
We currently have a main network running through a static broadband connecting using a Cisco 1700 ADSL router, everything is working fine locally.
We are looking to rent some space in an office nearby so im going to order another business adsl connection with static IP for this site and i currently have a spare 1800 router.My question is can the cisco routers connect up like a VPN connection so both sites work together and will the connection remain online constantly so from the remote office we can access all our servers from the main network?
Also how does the IP addressing work on 2 sites. The main network uses 10.120.21.x and DHCP is assigned from a cisco router. Does the remote network assign from the same DHCP server or would the remote sites cisco router need to be setup to give out DHCP to local machines. If so what would be the best IP setup to use.
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Feb 26, 2012
I was looking for a way to connect an AUX port from a 1700 router to a 6500 switch module console port, to see the output of the Switch's on the 1700 router, in case there is a network downtime, I could see what's going on in the switch, what cable should I use ? Also, is there is any kind of documentation for this type of config what have I seen is very few info.
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Dec 19, 2010
I have two sites with a dedicated, point to point, LAN, site 1 has a Cisco 1700, LAN IP: 192.168.0.101; Site 2 has a Cisco 1800, LAN IP: 192.168.1.101.From site 2 I can ping the router on the other side: 192.168.0.101, but nothing else on that network
From Site 1 I can't ping the other network at all,Both sites ping fine to their respective local interfaces. I also noticed, when trying to ping site 2 from 1, the "WIC ACT/CH" light blinks, otherwise it's off.
Site 1 has it's own web connection through COMCAST, site 2 is set to route through site's 1 connection to go out. The only thing the routers are doing are the actual connection between sites, and in the case of site 2, routing web traffic to 192.168.0.100, which is a Sonicwall on Site 1.
This was all working just fine, for a long time, up until yesterday, when the problem I described started happening.
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Oct 23, 2012
I have an 1700 cisco Router and a ADSL connection to Internet.How may I use it on my home network?There's any configuration that I should to do?
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Aug 24, 2012
i have a problem with my adsl line connected on a HWIC-ADSL on router 2901 it was working good until yesterday the atm interface is down but the interface dialer is up .i connected this line into home adsl modem and the line is working good?
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Apr 15, 2013
As a matter of fact i am new to this field .I have cisco 1700 series router which has ea0 and FE 0 port
E0 connected to LAN and FA0 for ISP ,both are configured wit publisc ip.and ststic route to ISP. (E0 connected to switch and fa0 connected to ISP MUX)
When i issued sho arp command i have received more than 30 entries of MAC and IP address . I am wondering how i received this much mac in arp table.
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Apr 30, 2011
i have a adsl modem tp link td 8840, and i had this up and running well for about 3 days. then we decided to get a router cause my little sis got a ipad2.the router is dlink dir 61.so basically i followed all the instructions and the internet was working fine.then for some reason ign site stopped working, i thought that it was down for some reason and didn't think much of it and today when i tryed to go into hotmail or facebook it doesn't work either. so i can get into the log in pages of both, but when i put in the id and password, the screen goes blank and just says waiting for .... on the bottom (using google chrome).and it never loads.i tryed with other internet browsers and it din't work so i took out the router and re wired the adsl modem only and voila. all the sites started working again.i want to use my router but i don't know why i can't acess some sites when i have it connected.
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Jan 10, 2013
We have 2 router cisco 2621XM and want to configure a VPN between them, but first we want to configure ADSL in both with the card installed.
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Dec 5, 2011
i want to use the cisco 2901 router with two adsl cards(EHWIC-VA-DSL-B) and would like to know if that possible without any restrictions with the ip base license.
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Jun 7, 2013
Basically I have a simple LAN of 30 users and 2 servers that sit on a private address range (192.168.1.1 - 254). I have a Cisco 1921 router with 2 Gigabit Ethnet interfaces and have installed a 2 port Ethernet module to expand interfaces,I have Two Internet providers that provide me an Optic connection to a converter and then a CAT 5 cable. On both of these connections have private public assigned IP addresses.I have a email server and webserver on the LAN (192.168.2 and 192.168.1.3) and with to port forward various ports to these servers - 25, 80, 443 3389, and 2222.
In my external DNS I have two MX records for the mail server (mail.globalhomegroup.com) that point to 2 A records - one record for the publicly assigned IP address of one ISP and another IP address for the other ISP. Ideally what i would like is for mail to be delivered to the first ISP Ip address - the one with the lower MX weighting and then if that line goes down, through the IP address of the second MX record - the backup ISP we are using.
So I guess I am port forwarding to the inetrnal server IP addresses via one of the two external interfaces.At the same time I need to allow internal users to access HTTP, HTTPS etc.So I have managed somehow to configure the external interfaces of the routers to connect to the ISPs and have managed to assign IP info to intenral LAN interface. I can telnet to the router from the Internet via Dialer0 or Dialer1. Other than that I am totally stuck - I have tried to configure and debug NAT etc but cant see wood for the trees now. Basically the port forwarding is not working and i am not sure if the config I have done is in anyway correct.
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Nov 9, 2012
I've moved a Cisco 887 router from a site where it was used to dial up on an ADSL line to a new site where we have a EFM circuit which terminates at a Cisco 1841 router managed by our ISP. I therefore need to re-configure our 887 router to work as a conduit from our servers back to the Cisco 1841 as its gateway.
I have asked from our ISP and they told me that i need to configure the 887 to use IP address 176.35.140.65 255.255.255.248 and its gateway should be 176.35.140.70. That's great advice in theory but I don't know how to configure this correctly
Our internal network is using subnet 192.168.42.XX which will need to be retained for local devices.
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Dec 9, 2012
i have one airtel isp connection was connected to beetel adsl modem and this modem is connected to d-link switch to accessing internet for my lan. and one netgear wireless router is aslo connected to this d-link switch. my need is i has one cisco 1900 router, i want to get internet access from adsl modem or netgear router to my cisco router.
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Nov 20, 2011
A Layer 2 switch with IP Address 192.168.1.4 (Vlan0), subnet 255.255.255.0 is physically connected to ADSL Router with IP address 192.168.1.1 (which is also the gateway address for the switch). The problem I have is that all the devices connected to the switch can intercommunicate but are unable to communicate with devices connected to the Router. I guess this may be something to do with how the Vlan is configured on ADSL router?
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Feb 22, 2013
My desktop however, does not have built-in wireless and therefore would have to connect to the ADSL router (Netgear) through ethernet but this cannot be done as the router must remain in my bedroom, much too far away for cables to reach.I bought a USB wireless connecter for the desktop but it doesn't seem to work. It connects but gives "Local Only" as the connection.
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Nov 22, 2012
I have a problem connecting wifi router(airlive wt-2000r) to my ADSL modem(webstar epc2203ed2.0) using utp patch cable. When my PC is connected straight to the ADSL modem everything works like charm. But when I connect modem with wan port on the router and router with my PC I get no internet access. The network shows as unidentified network and win7 troubleshooter says: Default gateway not available. Connecting them two devices seems pretty simple and I dont think I am doing anything wrong so what could be the problem?
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Jul 8, 2012
MY ISP installed one router in my lab.for internet connectivity they mail me steps :connect your Laptop directly to gi0/3 port to check internet connectivity with public ip 1.1.1.x and Gateway 1.1.1.1 with subnet mask 255.255.255.240 after connection I surprised because I am able to access only google sites like gmail,google search etc. but I am able to ping/traceroute all sites.from browser I am able to access only google sites only.In Router no firewall no such access list.
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Mar 12, 2013
I have a Wimax internet connection via an ethernet cable from a small roof top receiver dish. Inside the house the cable (RJ45) is plugged into the POE slot on one side of a small electrically powered black box, and from the other side, an ethernet cable (RJ45), connects to my PC. I want to share my internet connection with my HTC mobile and would prefer to make use of an existing Belkin 54g ADSL2 modem/wireless router (Belkin F5D7633) if I can. As this router's incoming port is specifically for ADSL my internet RJ45 cable can not plug into it. I have been advised that I can still utilise the router part of the Belkin though, using my PC as an access point, by plugging the ethernet cable from the PC side of the little black box into LAN 1 on the router, then joining the PC to LAN 2 of the router with another ethernet cable.I did not alter the configuration of the Belkin at all (having reset factory defaults beforehand), mainly because although I could access the internet from my PC and my mobile, I could not access the IP address of the router, presumably because the properties of the local area connection on my PC remained unchanged with the IP address (172.168.1.149), Subnet Mask (255.255.255.0), Default Gateway (172.168.1.1) and 3 DNS addresses (172.168.1.1) (10.30.0.1) (8.8.8.8) as they were before hooking up the Belkin. The IP address the mobile received through WIFI on connecting to the Belkin was 172.168.1.148
I was not unduly concerned about not being able to access the configuration of the router as everything was working as I had hoped it would and even when I powered off my PC I still had internet access on my mobile. On rebooting the PC, however, I found that the router changed the DNS addresses on the PC to 2 only, both identical (192.168.2.1) and the IP on the mobile was allocated 192.168.2.2 Although I could still access the internet on my PC, I no longer had access from my mobile although the WIFI connection to the Belkin showed as being 'excellent'. When I did a 'repair' of my internet connection, hoping to revert to a fully operative state, the PC configuration changed again as follows: IP address becomes that of the router (192.168.2.1), Subnet Mask (255.255.255.0), Default Gateway (192.168.2.1), 2 DNS addresses (192.168.2.1) and the IP address allocated to my mobile remains (192.168.2.2) This configuration means I have no internet access from either PC or phone, but CAN access the router configuration. I restored a usable operating state by unplugging the power from the router, transposing the cables in the LAN ports on the router (swapped cable from LAN1 to LAN2 and vice versa), turned off WIFI on mobile and waited a minute or two. When I powered the router back up and switched on mobile WIFI again, everything was restored to the original working state and I have, once again, access to internet on both PC and mobile. It is very frustrating, however, to keep performing this ritual and I wonder if any of you more technically minded, know a way to work around this, perhaps by manually changing the configuration of PC or router?
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Jan 10, 2012
I am trying to connect a wireless router (EDIMAX br-6228nc) with a ADSL router (NETGEAR). i assigned the LAN IP of the ADSL modem to 192.168.1.1, subnet mask 255.255.255.0, and enable DHCP server.then i connected a LAN port from ADSL router to the WAN port of the wireless router. i assigned IP of the WAN port of wireless router to 192.168.1.10, subnet mask to 255.255.255.0 and default gateway to 192.168.1.1 now on the LAN side of the wireless router i assigned IP 192.168.0.1 and subnet mask 255.255.255.0 enabling DHCP server.on the client pc i selected the setting of automatically assign IP setting (which it got 192.168.0.100, default gateway 192.168.0.1) but my client pc is not able to access the internet.
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Jul 26, 2011
I have an old modem Cisco 1700 with ADSL as backup connection. I have configured PPPoA, the sync is OK and connection is UP. I get Wan IP et Gateway, (routes automatically added). I have added NAT and routes but impossible to go out.I try to ping an external IP but no response.
version 12.2
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname cisco-modem(code)
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Nov 9, 2011
I have been asked to research running VSS between 2 6509's between 2 sites?
I am just going through the whitepapers and need to establish the link requirements for such a setup.
Is it a valid setup?
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Nov 23, 2012
I have a cisco 2800 router.. (flash:/c2800nm-advsecurityk9-mz.151-4.M4.bin, Version 12.4(13r)T11) configured DHCP, DNS, NATING and Bandwidth restriction...And to stop some social network [URL] i configured ip route 66.220.144.0 255.255.240.0 Null0 (rang of facebook address) But still i am able to open facebook.com in my network...
ADMIN-II_2811#sh run
Building configuration...
Current configuration : 1812 bytes
!
! Last configuration change at 17:26:33 UTC Sat Nov 24 2012
version 15.1
service timestamps debug datetime msec
service timestamps log datetime msec
[code]....
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Sep 9, 2012
I have restricted access to users using TCP/IP using cisco 1841 router in my organization.
I need to permit some sites for users which are part of work..
The issue here is I cannot ping to the site but able to browse to that site when having internet access, i have permitted range the entire range of that IP's but still no luck..
url...is the site which is not pinging from internet.I have also checked the source code for the root IP but still no luck.
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Dec 14, 2011
For a simple 4x sites design for backup consolidation (3x sites connected to one central site), does the design in the attached JPEG make sense and is the configuration achievable using the specified parts?
Brief Explanation:
- Each site is to have servers with 2x 10Gb/s Ethernet (both teamed/bonded/etc) and one NIC on each of the 2x switches in the site (if possible). Each site will also have 2x Cisco Nexus 5596UP Switch (though the P version may be used instead of the UP).
- Two of the sites are within 10KM of the central site
- The last site is about 35KM from the central site
- It is required to have a minimum bandwidth of 10Gb/s between any site and the central site
- I have specified 10Gb/s LW SFP+ and 10Gb/s LW SFP+ (for the 2x 10KM and 1x 35KM sites)
- are there any special licenses needed?
- as asked before, can such a "simple" design work as-is?
- what sort of single-mode fiber would fit the bill (especially for the 40KM link) - 9nm?
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Oct 25, 2011
I understand that jumbo frames need to be enabled end-to-end. I have two ESX hosts connected at each site. I want to enable jumbo frames for those ports, but what if not all host on the ESX are using jumbo frames, will I have drops and connection failures? So if i have two sites, each with a 6509 connected via a trunk and need to enable jumbo frames for a vlan between the sites how do I accomplish this?If I enable jumbo frames on the trunk link how does that impact other traffic between the sites?
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Jul 30, 2012
We are having two sites seperated by half a mile and we are using dedicated 100 Meg link at the moment for intranet traffic, and now we got new 1 gig link and I am working to set it up, Service Provider came on site installed two circuits on both sites and fiber connectivity is tested succesfully betweeen sites, now I need to connect the circuits to our network and make the 1 gig link active to make traffic flow between sites and as well bring 100 meg as standby.
So to brief the issue:
Connectivity at the moment SiteA: Switch1(3560)------100Meg--------.SiteB: Switch 2(3560)
I Want to configure SiteA: Switch 3(4507)------1gig (Active)--------.SiteB: Switch 4(3560) SiteA: Switch1(3560)------100Meg(Standby)--------.SiteB: Switch 2(3560)
simple as connecting a fiber or ethernet link from external circuit on both sites to respective switches on their interfaces and configuring hsrp to enable redundancy. A
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Jan 29, 2012
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We found out that only local multicast ip address range is not passing between the sites, any other range is passing, local range is 239.0.0.0 and above.
We have two different datacenters, the internal switch is 2960S (Stacked) with 1-10 vlans and the external switch is 3560E, the external switch is adding another tag (qinq, dot1q), vlan 611, and send the packets to metro line to the other site.
on the other site we have the same configuration.
internal switch from site A is configured with igmp querier and the internal switch port on site B connected to the external switch is configured as mrotuer port.
multicast and igmp is passig between the sites, but the local multicast range is not passing, igmp filterring is configured on all port but no profile is defined and no ports are filterred, on the external switch igmp snooping is disabled.
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Jul 15, 2012
I have 3 3560 switches which are configured with trunks between them. They run vlan 10, 11 & 12. I have a 'core' switch (switch 1) of these 3 to which an MPLS router is connected on vlan12. I in addition have another switch hanging off the 'core' switch via a routed link (switch 4). I have EIGRP configured as a stub and as such the IP address on the routed link at the core switch end is of a /24 from v lan 1 on the other switch. This makes the route directly connected and therefore distributed via EIGRP stubs. Switch 1 is then exchanging routes with the MPLS router (via EIGRP).
The problem I have is that from any sub net on any switch (switch 1, 2 or 3) I can ping 192.168.13.1 (switch 4). When I try and ping switch 4 from over the MPLS I am unable to. If I trace to the switch I see it reaches the outside of the MPLS router, but is then unresponsive. The same applies if I try to ping switch 1 on 192.168.13.2. Any of the other IP addresses of switch 1 respond.
The MPLS network is a managed solution to which I have no access. I'm told that the MPLS provider is able to ping switch 1 & switch 4 on the 192.168.13.x addresses from a remote router (192.168.32.2). I have tried from a switch on the same L2 sub net (192.168.32.1) and I don't get a response.
From switch 4 I am able to ping the switch on 1 of it's interfaces (192.168.19.1), but not the interface I mentioned above 192.168.32.1. There are no access lists in place on the switches and no firewalls between the sites.
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Oct 14, 2012
We have a number of sites which have high-speed L2 links which terminate on our L3 switches at each site. The ports are between the sites are placed in routed mode.
I would like to use Jumbo frame between two of the network which will communicate across sites and 1500 mtu on the rest, is this something which is possible?
From my understanding is the mtu is set on the interface therefore if I set the mtu on the L2 link ports on both sites to 9000 then would this cause a problem for the 1500?
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Jul 14, 2011
I have a Windows7 laptop that was working fine til yesterday.I switched it on at home last night and it picked up my wireless connection but when I opened IE or Firefox it would not access any webpage (blank screen, no address that its resolving on status bar at the bottom and just a progress bar (IE) or a 'searching' icon (firefox)The network connection page in control panel says that it is connected and I can ping sites from the command prompt and some other software such as skype seems to be connecting.I have disable both bullguard firewall and made sure the windows firewall is off.I have come into work this morning and am getting the same problems, even when connected by ethernet cable, I can also see other computers on the network.I was occasionally getting a dial up connection pop up box appearing from an old dial-up connection I had set up, but have now deleted this connection.
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Jul 14, 2011
I have a Windows7 laptop that was working fine til yesterday. I switched it on at home last night and it picked up my wireless connection but when I opened IE or Firefox it would not access any webpage (blank screen, no address that its resolving on status bar at the bottom and just a progress bar (IE) or a 'searching' icon (firefox) The network connection page in control panel says that it is connected and I can ping sites from the command prompt and some other software such as skype seems to be connecting. I have disable both bullguard firewall and made sure the windows firewall is off.
I have come into work this morning and am getting the same problems, even when connected by ethernet cable, I can also see other computers on the network.
I was occasionally getting a dial up connection pop up box appearing from an old dial-up connection I had set up, but have now deleted this connection.
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Apr 30, 2012
I try to connect a Router as an Endpoint (Because I just want to use a SERVICE from it).Well, the issue is this: I have a SW L3 that have too much VLANS, It is routing traffic and it provides internet connection. VLAN 182 has been created at this point and in this SW L3 has configured an interface vlan 182 with an IP 10.0.82.1/28.
To this Switch L3 is connected another switch L2 with an interface vlan 182 with an IP 10.0.82.2/28. Finally I have the last switch with the same features of configuration just that this has an IP 10.0.82.3/28. In this last switch is connected the router in the Gi1/0/24 as Switch port access, this port belongs to VLAN 182. At the router, the port is gi0/0 and it has an IP 10.0.82.4/28 and is UP.
The Switch where the router is connected is reachable from this router but not by the other switches. Router can reach all the network but not in the reverse way.Router has configured an ip default gateway 10.0.82.1.
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Feb 28, 2012
We currently have 1 T1 coming into a 1700 series router for our internet traffic. We are looking to add 2 more T1's to this and was curious what would be a recomended router for this. Our provider is trying to sell us an adtran for $4200 which can handle 4 T1's.
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Aug 31, 2012
I have a Cisco 2811 Router with a NM-16ESW card installed. I've connected this to my DSL connecting and I'm trying to build myself a learning lab. From the router I can ping to the internet and back to a test computer I have connected to one of the card's ethernet ports. From the test computer, I can ping the router's WAN interface, but no further. [code]
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