Cisco Routers :: RV220W Built-in DHCP Server Can't Save Class B IP Address Pool
Mar 28, 2012
I was trying to set a DHCP pool with 127.16.0.0/16 with RV220W, however, RV220W UI can't save it. It displays "IP Address Range -"Step to reproduce: (it is 100% reproducible)
1. login into RV220W admin web
2. Create a VLAN, id 201
3. Go to "Multiple VLAN subnets", select the VLAN, click edit
4. Enter following info:
IP Address: 172.16.0.1
Subnet Mask: 255.255.0.0
DHCP Mode: DHCP Server
Domain Name: Cisco
Starting IP Address: 172.16.2.100
Ending IP Address: 172.16.10.254
Primary DNS Server: 172.16.0.1
Leave rest of settings with default value.
DNS proxy is enabled
5. Press Save button. The UI shows text "IP Address Range -".
Expected result: RV220W shall save the setting and make use of 172.16.0.0 subnet in IP pool. By the way, the error message "IP Address Range -" seems incompleteI tried same setting on netgear FVS318N (very similar settings to RV220W), it accepts 172.16.0.0/16 as DHCP IP pool and works.RV220W has great feature set meets my needs. Its UI is slow and sometime dashboard freezes, which I can live with comparing to features. But DHCP server IP pool can't be class B is huge limitation to me.
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Mar 18, 2009
Can a layer 2 cisco 2950 switch be used as a dhcp server with it's own address pool.
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Nov 20, 2012
Nothing happens when clicking the SAVE button after making changes on the VLAN Membership screen when using IE9, but it work fine with IE8. Any problems using IE9 during configuration?
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Jul 16, 2012
I'd like to create dhcp server pool on ASA 5510. I was wondering how big is the DHCP scope that Cisco ASA 5510 can support? Are there any ASA models which can support up to subnet mask 22 for DHCP scope?
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Feb 4, 2013
I have a RVS4000 router with DHCP enabled and in router mode.
The LAN is 192.168.2.x. The RVS4000 static IP address is 192.168.2.8
The router is not the RVS4000 and is at 192.168.2.1
The RVS4000 dhcp is assigning it's clients a default gateway of 192.168.2.8 instead of what I want 192.168.2.1. How can I get the RVS4000's DHCP server to assign another IP address other than its own as the default gateway to its DHCP clients?
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Jan 16, 2011
how to subnet a class B IP address?I have a homework, I don't know how to subnet a class B.
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Sep 6, 2011
How many IP address can handle the DHCP server of the RV0xx Series VPN router? can be configured for more than 250 ip addresses? it is posible to configure the router in order to have more than 250 ip address?
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Jan 2, 2013
I have a Cisco RV220W router (firmware version 1.0.4.17).
I would like to have two separate networks with the following specifications:
Netwrork1: address range for the network is 192.168.0.1-254. All devices should be able to reach eachother within this network and connect to the internet either on LAN or through Wifi. From this network I should also be able to reach the device management page of the router. Also the devices should get the ip addresses throgh DHCP.
Network2: address range for the network is 192.168.5.1-254. All devices within this network should not be able to reach the devices in network1. All devices on this network should reach the internet through Wifi only. Device management page should not be available on this network.
I have configured the router as shown in the attached screenshots but the problem is that in Network2, devices get IPs from the 192.168.0.1-254 range and not from the 192.168.5.1-254 range. Also there is no internet on these either.
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Jun 23, 2011
My ISP waits a definite host name from me to return my white IP address via DHCP. Can I set this parameter in RV220W router? I don't find such parameter in IPv4 WAN configuration page.
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Oct 9, 2012
I have a Cisco RV220W running the latest firmware (currently 1.0.4.17), and I have noticed that after about a week of use, wireless clients can no longer acquire IP addresses via DHCP.
I have used Network Monitor on both the DHCP server, and the WiFi client, and can see that the server is receiving the requests and sending a reply, but the client never sees the response from the server. So far the only way to resolve this is to reboot the router.
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Nov 19, 2011
We assign (reserve by MAC actually) static IPs to all of our devices. Over time we have gotten rid of some devices but haven't begun (or finished really) re-using the old IPs. On our WRVS4400N v2 routers we are able to set the max number of DHCP users per Vlan. This prevents unauthorized devices trying to connect to our LAN.For example. I set the range from 192.168.1.100 - 192.168.1.103. IPs 100, 101, and 103 are in use (reserved via MAC address). We set max number of DHCP users to 3. This prevents someone from gaining access to 192.168.1.102. Does this make sense? Or at least this was the initial goal and it tested out successfully back when we implemented it.
How can I do the same for with the RV220W? I can set the range, assign static IPs (reserve IPs by MAC address), but can't keep others from gaining accessing to our LAN via the unused IPs (not assigned a static IP).My initial thought was to create static IPs (for the unused IPs) using dummy MAC addresses. I'm sure there is a much better way of accomplishing what I am trying to do.
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Jun 4, 2013
We have
1-A wireless link (pre-wimax) that provide me with 2 Mb internet connection (tagged Ethernet frames) throught RJ-45
2-have 6 real IP _one of them as Gateway
What i need now is what is the best and cheapest device to do NAT and DHCP to allow users to access the internet , i am trying to do this using Cisco AP 1141 and the link is working fine with static ip configuration on my lap (give my wireless NIC real IP) but now i just need device to do NAT and DHCP
My suggestion is can i use Cisco RV220W Wireless-N Network Security Firewall to do this function. is the WAN port on this router support tagged Ethernet frames ??? or even untagged frames and can i give this router one of those public IPs and give the rest of those IPs statically to other devices on the network.
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Apr 13, 2012
I have a Cisco rv220w. I just tried updating the firmware. I used RV220W-Firmware-1.0.3.5.img. It rebooted, and now there is no DHCP and no access to anything. I tried the reset button for 10 seconds. That didn't do anything. The WAN and all the LAN lights light up. Power is on and solid. The light blinks alternating between the DMZ and the blank space to the right of wireless. How can I get this back to factory defaults?
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Oct 19, 2011
Can add feature "release" and "renew" to wan dhcp client? Is it WOL not possible in RV220w? i tried forward broadcast magic packet from wan side, change broadcast IP and through VPN tunnel (PPTP & IPSEC)...got failed i change from draytek 2130n to rv220w, 2130n much better. except SSL VPN.
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Sep 17, 2012
I have an out of the box configured RV220W and was wondering if it supports local DNS resoltuion for DHCP addresses it issues. I have a few reservations and a custon search domain configured ('local') but it will not resolve a name fromt the terminal using the search domain (see below):
It resolves freenas but not freenas.local.
macbookair:~ brantwinter$ dig freenas
; <<>> DiG 9.8.1-P1 <<>> freenas
;; global options: +cmd
[Code]...
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Oct 12, 2011
We will be opening a shop with a number of computers available to the public connected to the Web via one ISP with fixed IP using a RV220W router.
We wish to restrict web access to our company's web site only, say 'OurCompany.com'; how can we code this in the router?
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Feb 5, 2013
We have a wifi router RV220W and we need to filter the mac address. The problem is that the number of the "allowed" devices is around 50 (not all connected at the same time), but the maximum number of mac address which can be listed in this router for each VLAN is 20, so for the moment we set 3 VLAN, each one with a different mac adderss list. This is very awkward because the area to be covered by the wifi network is large and we need repeaters, but having 3 VLAN we should put 3 repeaters for each point. Is there any way to configure this router in order to have a single VLAN but with a mac address filter list of 3 x 20 mac address?
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Jul 29, 2012
I think I'm missing a basic step here. In setting up a RV220W device behind either a cable modem or a DSL modem, the address that is being returned is not the public IP address of the modem, but rather the private IP address assigned by the modem to the RV220W. Doesn't matter for normal web access but trying to set up a VPN tunnel fails due to the inaccurate IP address.
If I do the same thing but use the dyndns.com application on a computer behind all of this (connected on the private LAN of the RV220W via cable), it reports the external IP address correctly. That works in some locations if I have an always on computer to load the application to. In some cases, however, there isn't such a computer to leave dedicated to running the separate program.
Since this works, and the RV220W doesn't, there is some difference between the Cisco implementation and the dyndns.com implementation.
So, is there a way to get the RV220W to return the true external IP address, or is it stuck returning a private address?
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Jan 5, 2013
For some strange reason I'm getting the error "WAN IP should not be a network address" when I type in an IP address under the Static IP Settings section in the "IP Address" field. My client has a static IP from his ISP and I'm trying to set it up on the router. I've updated to the latest firmware 1.0.4.17 but still the same error.
I'm not copying and pasting the address, I'm typing it in. There is no extra spaces or anything. What is this glitch? I could save the router settings and reset it and try that but I'm doing this all remotely and would rather not have to make another trip to do this onsite.
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Jan 12, 2013
I am trying to set up a Synology VPN server thru a cisco RV220W and cannot get a windows 7 VPN client to connect to it. Access rule was created on RV220W to port forward 1723 and also made sure the same port was forwarded on the built in router on the Synology NAS box, running DSM4.1 and made sure VPN server was up and running. IP address of synology NAS is 192.168.1.250, mask of 255.255.255.0. DNSgateway is 192.168.1.1. Only running PPTP at this time.
When I run the windows 7 VPN client, I try to connect to the external internet addres:1723, make surePPTP is the only protocol and use a DNS of 192.168.1.1. When I try connect, I get an 868 error which says "error 868: The remote connection was not made because the name of the remote access server could not resolve."
When I try to ping port 1723, I do not get a response which leads me to believe that the issue is the router and not the NAS box. HTTP, HTTPS and FTP ports work fine.
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May 5, 2012
I possess a RV220W (firmware 1.0.3.5) but I can't seem to work with the PPTP server on one VLAN only.
My default VLAN is in 192.168.1.1/24. I created a VLAN ID 10 in 192.168.50.1/24 inter-vlan routing : disabled and Device Management : disabled. (Menu Networking > LAN > VLAN Membership and Multiple VLAN Subnets).
Then I configured a PPTP server on the IP range 192.168.50.200 to 192.168.50.210.
To finish I created my user. (Menu VPN > IPSEC > VPN Users).
The PPTP tunnel is working, but on all my local network and not only the VLAN ID 10.
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Feb 27, 2013
ON ASA, I understand that we can assign a static IP for a specific VPN client, or we can use a DHCP pool to assign IP. Now if I want to create DHCP pools, say pool_A and pool_B, for user A, B and C they use the IP from Pool_A, and user D, E, and F they get the IP from pool_B. Is there a way to do this in ASA?
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Jul 25, 2012
We have the configuration below set up in a 3560 switch (addresses and names modified for privacy). We are running out of dynamic IP’s in the current pool (6.35.159.0 – 6.35.159.255). We have a new set of IP’s that we can use (6.44.56.0 – 6.44.57.255 – an additional 512 addresses). Although I can figure out the commands to add a new dhcp pool, secondary subnet, etc., I’ve never done this before so I’m not sure of everything I need to do. The end result I need is that the 3560 needs to be able to hand out IP addresses from the current and new pool to anything connecting to vlan 300 – our datanet where computers access the Internet. What I need to do as far as modifying the vlan, adding the secondary subnet, defining helper IP’s, gateways, whatever, so that computers connecting via vlan 300 have Internet access via either of the pools? I have been told that all I need to do is create the pool, but not sure if that is correct...
[code]....
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Apr 22, 2013
In my last thread I had difficulties setting up access to my FTP server through the RV220W router. After getting it to work, I faced a new issue of reduced upload speed. 240ish KB/S which is obviously ridiculously slow. After much toying around, I finally got it to work again, after doing a factory reset of the router. But today when I wanted to upload to my friends NAS, I suddenly am faced with reduced speeds yet again(400KB/S)! settings, with one firewall rule added, to allow access to my FTP. Other than that, I also enabled jumbo frames....so I tried disabling that again. But that did nothing. Also tried disabling every firewall feature under "attack prevention" but, didn't seem to work either.I didn't reboot the router with each change, as that would make things take a lot longer....and didn't think it should be necessary?
I'm starting to get more and more tired of using my RV220W....seems slow and buggy..when I do a online speedtest, I get a 30Mb/30Mb down/upload rating, which matches the rating I pay my ISP for.... And I have a fiber connection.
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Nov 17, 2011
i did just had a rogue anti-virus infection i did a removal of it AV Security 2012
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Oct 3, 2012
I am configuring IPSec Remote Access VPN on a ASA 5505. There are one external interface and one internal interface configured on the device. Internal interface connected to subnet 192.168.1.0/24.en VPN client get connected, I would like to assign the IP from some subnet(for example 192.168.2.0/24) other than the current internel subnet (192.168.1.0/24), but the VPN client can still access to 192.168.1.0/24. Is there a way to do this?
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Dec 13, 2011
I am looking a old exercise I did last year about subnetting and I am wondering if is possible to subnet:
198.18.9.1 /22
I wrote down, last year, that:
16 bit are assigned to network
6 to subnet
10 to hosts
when actually I see a class C ip address with 10 bit assigned to hosts. So, how many bit do I have for network, subnet and hosts?
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Feb 1, 2012
Is it problem with iPads or LAP1141n?WLC 4404 and many 1142 and 1141, so other devices laptops, iphones, androind phone works as well.But iPad authorized, but can't get an ip address from dhcp server (dhcp not local on wlc, on windows machine) with coverage lap1141, but it get ip with coverage lap1142, and when i got it i roaming to lap1141 and it stays, if i off/on iPads can't get it again from lap1141.
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May 5, 2013
my Laptop is about nine years old, HP Pavillion Pentium 4. I run Windows XP Home Edition Version 2002 SP3. I use a broadband card from Verizon that I just put in my USB (no router, etc) I'm getting a System Error Source DHCP Event ID 1002. When this happens, my computer, I believe, is going into sleep mode and I have to reboot the system. When I turn it back on and go back on the internet, all my websites that I was in are still there. The error says: The IP address lease 10.170.223.48 for the Network Card with Network address 2c3068c16ED1 has been denied by the DHCP Server 10.173.229.86 (The DHCP Server sent a DHCPNACK message)The DHCP Server Service did not extend the lease on your computer's IP address, so your computer temporarily lost its connection with the Network. I tried the ipconfig /release and ipconfig /renew. I tried going in services.msc and going under DHCP and keeping it automatic but stopping it. I called Verizon and I believe he refreshed my Network settings (I think I knew more about the topic than he did) He said it was my computer, whatever. I just tried the static IP but it didn't seem to take. I restarted and it jumped back to automatic. My last guess is it's something to do with the time frame of when it automatically obtains the address and when it expires. When I do the ipconfig /all it shows only a two hour time frame before it expires. Today I noticed that my computer shut down/sleepmode at the exact time the ipaddress was obtained. So, is there a way to increase this time between obtaining and expiring?
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Sep 7, 2011
I'm a heavy PC Gamer, I play games such as World of Warcraft, Borderlands, Call of Duty, Steam Games, I also know my way around fixing internet issues, But this one just seems to have gotten me off guard, Recently, 1-2 days ago, I was browsing the internet like a normal day, and It was late, so I decided to go to sleep, Turned my computer off, Woke up the next morning, Turned it on, It then shows that I kept getting kicked off the LAN for some reason, It was like this[CODE]
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May 30, 2012
My AP get IP from 6509, but client cannot get dhcp from my dhcp pool for client, what is the reason?i have 3750g switch with integrated WLC, i connect it to 6509 I did all configs yesterday here is outputs
WLC
Interface Name Port Vlan Id IP Address Type Ap Mgr Guest
-------------------------------- ---- -------- --------------- ------- ------ -----
ap-manager LAG 10 172.16.10.100 Static Yes No
globus LAG 20 172.16.20.254 Dynamic No No
management LAG 10 172.16.10.99 Static No No
service-port N/A N/A 0.0.0.0 Static No No
[code].....
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Dec 23, 2011
I have two Cisco RV220W routers and I would like to realy DHCP from the home office to the remote office accross the IPsec Tunnel. Is this possible and if so how?
I have already gone into the IPv4 LAN (Local Network) settings on the remote router and set the DHCP mode to "DHCP Relay" providing the internal ip address of the home office router as the remote DHCP server.
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Jan 8, 2012
I have a 1250 AP connected to an Switch Cisco 3750. We have a SSID(v lan 1 - native) which get an IP Address from our DHCP Server(located in a Windows 2003 server). I added a new SSID in VLAN 2 and I would like no to use the DHCP Server but to make the AP get an IP Address from the pool I created in the own AP (ip dhcp pool Guest) but every time I try to connect the new v lan, it doesn't get an ip address.
Follow the settings of the AP.
version 12.4
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
[Code]...
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