Cisco :: Techniques To Associate Multiple IP Networks With One Port
Jul 3, 2012
I would like to associate multiple IPv4 networks with one physical interface in the router. All those multiple networks share the same broadcast domain(VLAN 5). I am aware that it's not possible to have multiple subinterfaces in the router with the same "encapsulation dot1Q 5". Am I correct that only option here is to configure all those networks as a secondary network to router physical interface? Or are there other possibilities than secondary addresses?
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Feb 14, 2012
I am having trouble setting up two networks.Basically, i want one 'private' network and one public network. The problem is, the private network can't access the internet.(Network 2)
Network 1(Public) works fine as i don't want them to access Network 2.Here's how it is setup.
Internet
|
Router/Modem (Network 1)
|
Server NIC1
Server NIC2
|
Switch - (Network 2)
Network 1 can access the internet and shared files on the server.
Network 2 can access Shared files on the server (which is what i want) but cannot access the internet.
Router/modem IP is 10.10.1.254 subnet 255.255.255.0
Server NIC 1 IP is 10.10.1.252 subnet 255.255.255.0
Server NIC 2 IP is 10.10.1.251 subnet 255.255.255.0
How can i get computers in Network 2 to access internet?
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Aug 30, 2011
Explain the risks of not using multiple networks on a 300 host LAN
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Sep 20, 2011
I currently have a hub-and-spoke VPN configuration with 6 ASA 5505's at remote sites all connected to an ASA 5510 at HQ via IPSEC lan-to-lan tunnels. My current configuration allows hosts on the remote site networks to talk to hosts on the HQ network, but not to hosts on the other remote sites.I have receieved a request to allow comminucation between the remote sites as well, with traffic all routed through the 5510 at HQ.
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Jan 11, 2012
I have 3 Macs (OS 10.6.8) and one PC (Windows 7) at work. They are all connected to the company network for internet and access to shared network drives.The computers are used for media (mostly video) production and we need to move large files between the computers easily and quickly. The current network (company wide) is slow and unreliable, so I would like to create a separate network for these four computers and have them connected to both the company network and the office room network. Each computer already has two network ports and I have a router I can use.
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May 19, 2012
We have 36 cctv cameras slowing down our oracle network pc's all in same subnet. I want to remove the dvr's of cctv to a separate network to improve performance. How to accomplish that with a Rv042 linksys router? Or is there any other better way around. 5 Users access the cctv cameras all the time.
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Feb 16, 2013
I am currently working on a project that needs to install a router (or just a network device) that can offer 2 or more DHCP networks. We have been searching a network device for this but haven't gotten any good news yet. Any model or device that can fulfill this requirement?
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Jan 24, 2013
I have a Windows 7 Pro Desktop with an on-board Ethernet and an Axis USB To Ethernet adapter. The on board Ethernet is configured as dhcp and obtain the address 10.162.146.123 with 255.255.255.0 subnet. The Axis USB to Ethernet adapter is static ip configuration with 10.38.25.37 and 255.0.0.0 as subnet. Under the adv settings I have also another ip 11.38.25.37 with 255.0.0.0 subnet. When the Axis is communicating 10.38.0.1 network I can not access the internet using the on board Ethernet 10.162.146.123. I have to disable either one of the cards to access one network at a time.
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Aug 3, 2011
How do you setup multiple networks on one router? Is it as easy as changing subnets?
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May 20, 2013
Im using 2 TP-Link TL-WA7510N to bridge a internet connection the connection is using a captive portal for my guests via pfsense. What i would like to do now is run a pc on the same connection without using the captive portal .So basicly i would need 1 secure network for my single pc and the one with captive portal for my guests.
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May 22, 2011
I have 3 networks coming on DMZ (VPN) interface. Only one network is able to ping the DMZ interface. See below networks coming i on the DMZ.
10.132.24.0/2410.132.25.0/2410.132.26.0/24 Only the 10.132.26.0/24 netork works as it is in the same range as the DMZ interface.
allowing the other two networks to communicate. I've attched the diagram and configs for your perusal.
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Sep 4, 2012
I am setting up a customer site. One side is RV180W and the other side is Checkpoint 500W.
RV180W side
LAN - 192.168.100.0/24
Checkpoint side
LAN - 172.26.1.0/24
VOIP - 172.26.2.0/24
Need to setup an ipsec tunnel between the site. However, from the RV180W side, I can only ping the VOIP network, but not LAN. I have heard that RV180W only can talk to one remote network via ipsec, correct? workaround this other than changing out the RV180W?
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Nov 19, 2012
My neighbor and I were wondering if it is possible to combine our respective internet connections in order to gain a faster connection overall. What would be ideal would to have a wireless router in one of our houses, that is simultaneously connected to both of our ADSL routers, and to which both of us are able to connect. Do I need a specific type of router?
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Jan 9, 2011
Adding a second DAP-1522, They have 1 DAP-1522, they set that up useing the WAP(button on the side), This one is running in the frontroom of the house and the 2nd bridge will be running in the bedroom of the house.She has tried to click on the WAP button on both Dap-1522's and then the router to sync but thats not working, from what we can tell. I think I will need to manually config them now that a second one has been introduced.the frontroom Bridge is 192.168.0.50, but we cant find the ipaddreess for the second dap-1522 at this time. So question to all, if I can - Is there a way to identify all of the Dap-1522's on the network or anything that is connected on the network. as the DIR-655 is only showing 2 things connected?Right now I wish she would have listened too me and had her house wired for ethernet when the house was being built.
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Sep 9, 2012
I am using an ASA 5520 running 8.2(4). My objective is to get a VPN client to access more than one network on the inside of the network, i.e., I need to VPN in with an IPSec client and be able to establish tcp connections to servers at 192.168.210.x and 10.21.9.x and 10.21.3.x, I believe I am close to having this resolved, but seem to have a routing issue.
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Feb 3, 2013
I currently have an 867vae router and a 1131ag ap setup with 2 vlans and 2 ssid's. I am in the process of baby proofing the house and would like to use the cisco plsk400 homeplug system to relocate my wap. I use 2 networks to seperate and filter the kids internet traffic from my own. It also allows me to shut the kids vlan when they shouldnt be on the internet.
As far as i can tell the plsk400 homeplug doesnt support 802.1q.... so is there any way i can keep the seperate networks/SSID's and the abilty to filter and turn off one of them at will without a trunked link to the router?
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Apr 10, 2013
I am looking to create an office network with each person having internet access but on a private network. however everyone will need to be able to access a communal printer. would they be able to see it if they were all on a different subnet or would i need to set up vlans?
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Jan 23, 2011
I'm going to move offices into a shared situation with 3 companies. Each company will want its own private network so there's no snooping between companies. I am planning on using VOIP for the phone system (Nextiva cloud based). Is it possible to set up the system so that each company has access to the VOIP system but yet remains sequestered in the their own network for everything else. I was hoping to do this with one data port at each workstation using Cisco SPA-303 phones. The way I understand this, is that the phone plugs in to the data port and you daisy chain the workstation off from each phone. Is this possible to do this while having the system I described? Another wrinkle is that I'd also like all the networks to be access shared printers.
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Feb 11, 2011
setting up networks with multiple locations and multiple wireless points.For example: My sisters' home has here modem in her main computer room, it has a Belkin router hooked to the modem. Then a line goes from there to my nephew's room where I tried to expand their network by adding another router. I really just wanted an access point, but they don't seem to sell these as much as they used to. Anyway, I had it working, but it was two different networks, NETWORK1 and NETWORK2. So they had to swap networks when moving around the house. what would be the best hardware setup to provide both sides of the house with some Hardwired access as well as wifi access? Right now, we have two routers, a DIR615 (or something like that) and a Cisco E1000, and again hardwire going from the main computer room to my nephew's room.Also, in my house, I have lots of stuff... I have an Actiontec Router from FIOS, feeding a small hub as well as a switch in my main room. Which then feeds a Ps3, Wii, laptop, Denon reciever, and Access Point... and also feeds my Apple TimeCapsule, which also feeds my printer. My wireless devices range from cameras, iphones/ipads, and a wifi unit (I forget what it's called, but it connects my DVR wirelessly to my network, and the DVR itself doesn't have wifi).
my question about my setup is, should everything be on one network... as in let the ActionTec handle most of the duties and use switchers and accesspoints to extend the network. Should everything be on the same wireless network and channels? Like if I used my access point to extend, do I want the same settings as my main wireless router, and would that be the same for the Apple Airport Extreme?Also, does having all these wireless networks going create any kind of hinderance on my performance. For example, the PS3 has some sort of wifi in it... it produces a SSID, but I never connect to it. Should I make sure that's off? And in my main room, should I go with just the AirPort extreme over using it and the Wireless Access point.
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Apr 20, 2013
Some security tools and techniques for wireless LAN??
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Jul 24, 2012
I have Cisco 3560X L3 Switch. We have done Inter VLAN in our internal networks. Below are the VLAN details
Default VLAN1 IP 192.168.125.2 (Gi0/1, Gi0/23, Gi0/24)
Interface Gi0/1 (Port Configure as a Trunk)
Interface VLAN 10 SERVERS_SW (Gi0/2 to 0/6)
IP Address: - 192.168.0.1 255.255.254.0
Interface VLAN 20 USERS_SW (Gi0/7 to 0/18)
IP Address: - 192.168.152.1 255.255.248.0
Interface VLAN 30 SPARE_SERVER_SW (Gi 0/19 to Gi 0/22)
IP Address: - 192.168.8.1 255.255.248.0
We have Sonicwall NSA2400 Firewall and we have setup Site-to-Site between our other offices who has Sonicwall TZ210 firewall. It works fine and they are able to access all the above networks.
Now the problem is we have one more site which uses Vigor Firewall (with Internal Network 192.168.100.0). We have setup the site-to-site vpn between Sonicwall NSA 2400 (Lets say SITE A) and Vigor (Lets say SITE B) but SITE A is unable to ping to SITE B Firewall but SITE B is able to *ONLY* SITE A firewall.
SITE A is trying to ping from User VLANs whose local ip is 192.168.152.0 range.
How to add route to 100.0 so that we will be able to ping and access SITE B networks.
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Jan 20, 2013
I have a problem configuring a Cisco ASA 5505.Our company established a second facility, that should be connected using VPN to our headquarter.I used the ASDM "Site-to-site VPN wizard" to create a connection, which works fine with our main network.
Following structure:
Headquarter:
Cisco ASA 5505, firmware 9.1, ASDM version 7.1
Outside: fixed IP
Inside: IP of the interface is 192.168.0.1/24 (data network)
Now I have a second network 192.168.1.0/24 (VoIP network), PBX address is 192.168.1.10.Both networks should be accessible via VPN.
New Facility:
Cisco ASA 5505, firmware 9.1, ASDM version 7.1
Outside: fixed IP
Inside: IP of the interface is 192.168.2.1/24
I already created a connection, so that a PC from the new facility reaches the data network. E.g. a ping from 192.168.2.100 to 192.168.0.100 is possible.Now, I would like to add some VoIP telephones to the new facility, that can reach the PBX on 192.168.1.10.In the connection, I already added both networks as Remote network:
object-group network Testgroup
network-object 192.168.0.0 255.255.255.0
network-object 192.168.1.0 255.255.255.0
access-list outside_cryptomap extended permit ip object-group Testgroup object Remote-Network
My problem is now, I don't know what to set as "Gateway" on my PBX.I can't use 192.168.0.1 because it is another subnet. Also I can't set a second IP 192.168.1.1 to the interface of the ASA., how I can realize this, so that both subnets are accessible via VPN and all the devices have a gateway set?
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May 12, 2011
I manage a network using Windows Server 2008 r2 that connects to the Internet (ISP) through a wireless radio antenna. We have three other locations that also connect to the same ISP through wireless radio antennas on the roof of each building. Those locations are windows XP machines. Each location is separated by more than 1,000 ft and do not have line of sight to each other. I'm wanting the XP machines to be able to logon to the domain of the server and access shared files
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Jul 19, 2011
Our 6509 has seen better days and we know it's past time to replace it... Question is - go with similar or just use multiple 48 port switches? Then we have old Cisco 2800s in our 9 IDFs that would need updated as well.
We have a mixed environment with about 300 active clients along with about 15 servers and an EMC AX4 over 4GB fibre brocades for backup.
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Jul 7, 2011
I am trying to access home security camera from outslide my house.I have an AT&T internet coming into the house. They have a router that comes into the house and that splits off to another router in my house which carriers CAT5 all over the house. One of the wires go to another router that I use for my wireless devices.One of those wireless devices is an security camera.Here is my question. I want to view the camera from the internet outside the house. I have followed the instructions given by the manufacture for port forwarding. I have port forwarded the wireless router since the camera is connected to it. Is that wrong since the DSL is coming in one router and then going to another and then to the wireless
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Feb 19, 2013
The ethernet ports across the entire campus including the halls all host multiple networks via one port. I connect to the port and I get one connection, and my friend connects to get a second connection through the same port, and a third person connected via the same port to get yet another connection. I think there may be 4 connections being hosted through this in total. Now, the university have 3 main streams of internet: 1 for Staff/postgrad, 1 for students, 1 for exchange students. The fourth connection type is intranet with only access to a portal. The purpose of the portal is to submit your mac address for wireless and ethernet to be assigned an IP address for both. The issue we are having is my friend needs to connect to the exchange students connection for actual internet access, but the ethernet cable will only connect her to the portal (all her details have been submitted). I have cycled through every window in the networking control panel and usually issues like this I can resolve within a couple of hours but how to identify other networks that are available through ethernet.
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Feb 16, 2012
setup multiple wireless routers to one Internet connection. We have one cable modem (with built in wireless router) for Internet connection. Over a wide area (500 feet over two floors) I would like to connect to the Internet throughout this area wirelessly. The computers sharing the connection do not need to share with each other and do not need to see each other. Security is not a major factor. The building material is cinder brick walls (which weakens the wireless signal quickly).I have several older (2008 or 2009) wireless routers. I was thinking of putting these routers at various locations in the building with a wired connection back to the WAN modem. Each wireless router could the service a smaller area in the building.My plan is to turn off the DHCP on each wireless router. Do I need to run a wired cable (lan port to Lan port) back to the cable modem or can I use the wireless routers to connect to the wireless cable modem?
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May 11, 2012
I have Cisco L3 3560G switch which directly connected with router . i have configured Vlan 2,3 on the switch and assign port 2 & 3 respectably. I want to management both vlan 2 & 3 from from L3 port g0/10 .
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Sep 27, 2012
I have a RV180W and a EnGenius EAP350 Access Point. The EnGenius supports multiple SSID's and VLAN tags them. If port 1 on the RV180W has VLAN 1 untagged and VLAN2 tagged, any connection to the EnGenius always gets an IP from the VLAN 1, even though they are connected to the SSID which is tagged with VLAN2.
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Sep 10, 2011
We've run into some difficulty trying to take advantage of multiple WAN IPs in conjunction with the SRP547
What we're trying to acheive is the ability to port forward from our distinct public IPs to different internal servers. Looking at the options under Port Forwarding it looks like we can only configure forwards at the "WAN interface" level, but our problem is that we can't work out how to set up separate interfaces for each of our Public IPs...
Our ISP provides us with a fully managed NTU/router with a single "Internet" ethernet port, which we can use by statically configuring IPs on our end. For this configuration this port has been directly patched to the WAN ethernet port on the SRP547W.
We have been allocated a 255.255.255.248 (/29) subnet, giving us 5 usable IPs after the ISP's gateway address is taken into account, like so:
a.b.c.208 Network Address (/29 subnet)
a.b.c.209 ISP Gateway
a.b.c.210 IP1
[Code].....
I should mention at this point that we're running on firmware version 1.02.01 (023).
Is there a CLI or other method of configuration that might work if the web interface won't?
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May 22, 2013
I am struggling to get our 887VA setup for our config.
We have a public IP range from our ISP and we have multiple servers behind our router. One of the servers need large ranges of ports open so I have ended up trying to use a ‘rotary’ nat pool which works fine but I cannot get the other servers to NAT correctly on their ports. It seems the rotary takes over.
Here is a snip of my config.
interface Ethernet0no ip addressshutdown!interface ATM0no ip addressno atm ilmi-keepalive!interface ATM0.1 point-to-pointpvc 0/38 encapsulation aal5mux ppp dialer dialer pool-member 1!!interface FastEthernet0description Private LANno ip
[Code].....
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Apr 12, 2013
I am trying to get multiple PCs in a computer lab connected to the internet at the same time. There is an ethernet jack and right now the cord there is going into the linksys 8 port workgroub hub and then separate ethernet cords are wired from the hub out to each computer. But, this set up only allows the PC that is turned on first to connect to the internet. Am I using the hub wrong? Do I need another piece of equipment? The lab was set up like this when I arrived, but it is not working (I am thinking it did at some time).
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Aug 15, 2011
I am at a loss on configuring a new ASA5505 for multiple static port translations.I would have expected to simply add several service command to a network object to complete the task, however, the service command overrides the previous and replaces rather than adds to the translations. [code] However, if entered in that order the 8443 overwrites the 8080 static translation.What is the correct procedure to establish multiple translations? If someone could also provide the "old" style for pre 8.2 release, I'd like to compare because I thought I used to do this with an access-list somewhere.
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