Obtain DHCP Reservation From The 1st Router?
Oct 6, 2012
I have simple set-up in my network with 2 routers connected to each other, 2nd router is just kind of wireless access point and switch to extend cable sockets upstairs.I have DHCP reservation on the first router and it works perfectly. Second router has DHCP server disabled, and I have configured DHCP reservation same as the first router, but it gives random IP addressess instead of reserved. how can I configure second router to obtain MAC DHCP RESERVATION TABLE from the 1st router?
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Jun 27, 2012
why my switch is not picking up a reserved address from the second pool below?console output with dhcp debugging on.ps. I have also tried 'hardware-address 0024.f769.bf40 1' which is hardware type 'other'
Config
ip dhcp excluded-address 172.23.23.1 172.23.23.49
!
ip dhcp pool main
import all
network 172.23.23.0 255.255.255.0
[code].....
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Jul 24, 2008
How can I use the dhcp reservation with this router? I've network printer and i can't use it.
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Jun 9, 2011
When I'm in Setup -> Basic Setup -> click on DHCP Reservation, I don't see all entries I've created earlier but computers that connect still have the correct IP address on the network; I don't know if I can create additional entries if nothing appears
When I go to Status -> Local Network -> DHCP Client Table the list is blank but some computers are connected to the networkI'm using firmware 1.0.01 build 10 Feb 21, 2011, language = English, Firefox 4.0.1.Rebooting the router doesn't change anything, I can't see connected LAN equipment and DHCP Reservation is empty despite the fact I've created entries.Together with the "Access Restriction" which doesn't allow to block a computer from 10pm => 8am unless you create 2 rules + various issues with attached USB + 2.4Ghz signal that is far from optimal (never able to achieve more than 144-N-Mbps) and I ask myself if I will not contact the store where I purchased this unit and ask a refund (and buy something else from another brand...)
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May 12, 2013
I tried to enter a name that included an illegal character (in this case, a single quote), and it gave me the popup box that said I had done so. When the popup closed, my DHCP reservation table was emptied out (I had maybe 5-6 reserved clients). In fact, I can't add new reservations anymore at all from this screen as it lists nothing in the DHCP clients table at the top. (Note, there are plenty of things in the DHCP Clients table over on the Status->Local Network tab). At this point, I think that my pre-existing reservations are still being held, but I'm not sure as it's only been about an hour so nothing has renewed.
I had firmware 1.0.05 when I encountered this problem. I upgraded to 1.0.07 as a means of trying to kick it into action, but the problem still exists.
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Sep 24, 2011
my researvation table is incomplete. Below I show ipconfig that shows wired & wireless NICs assigned ip addresses by the E3200 router but the DHCP table only shows one.
I need to reserve the ip address of the wired address but can't get at it.
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Jan 19, 2013
I have Linksys E3000 Router and it is connected to 7 Devices at this moment via DHCP. I have got New NAS Enclousre (8th Device) which has got Lan port . I have connected Box to One free Port on E3000 Router. I see DHCP Reservation from 192.168.0.1 assging one IP to My NAS Enclosure Box i.e 192.168.0.13 But when i ping that box . It's not pingable. When i try to browse that NAS Enclosure's setup web page - it's not opening. I can access that box setup page if i connect direct 1:1 Lan cable over private network (169.254.XXX). It means web server is runing on box. I am clueless. E3000 is assigning IP to NAS Enclosure but can't Browse or Ping. I tried to Assign Manual IP address to NAS enclusure and reconnect to router. Still I can't ping or browse.
#arp -a show that box has IP. (Output from MAC os) .
? (192.168.0.13) at (incomplete) on en0 ifscope [ethernet]
Ping test from Router Page.
PING 192.162.0.13 (192.162.0.13): 32 data bytes
40 bytes from 192.162.0.13: icmp_seq=0 ttl=46 time=286.6 ms
40 bytes from 192.162.0.13: icmp_seq=1 ttl=46 time=290.2 ms
[code]....
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Jul 3, 2012
Before upgrading my firmware on my EA2700, I can easily reserve IP address for my wired device. With the new cloud interface, I click to select the device from the top pane to bring it down in the reserved IP pane below. When I try to save the IP change I get two errors: 1) Invalid characters in the device name 2) Invalid IP address. I get the same errors even if I do not edid not edit the name or IP address.
As for the device name, I did not change anything or rename the device. One device has a " - " in the name and the router was happy with it until I tried to reserve the IP. Another one had a " ' " in the name, same problem again.
My network DHCP range is set to 192.168.1.200 to 192.168.1.250 and I use the range from 192.168.1.1 to 192.168.100 for static IP. When I tried to reserve a static IP below 192.168.1.200, the router say that is an invalid IP.
The workaround to this problem has been to temporary set the DHCP range to 192.168.1.1 to 192.168.1.50 and set the static IP in that range and rename the devices to a name that the EA2700 will accept. Next I move the DHCP range from 192.168.1.50 to 192.168.1.100 and repeat the process. After, all the static IP are assigned, then I can reset the DHCP range to 192.168.1.200 to 192.168.1.250.
This is a pain to do. In the previous (cloud less) version, this was a breeze to do. Also, I have not figured out how to redirect ports with the new interface. Is that progress?
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Jul 27, 2011
i am having an annoying issue with my wrt400n and my foscam FI8918W. in the dhcp reservation tab, the wrt400n doesn't show the foscam anywhere in the tab. it shows all laptops, cell phones, nases, etc. if i use the cisco connect software it does show it in the network map. i can probably add it manually via the gui. is this something normal or security cams not considered devices?
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Mar 26, 2013
E4200v2, firmware 2.1.39.145204
Router says "Invalid IP address" when I try to make a manual IP address reservation of the IP address range.
Example: local network 192.168.1.0/24, where .1 is a router, .2 is a reservation, .20-.50 is a range for DHCP.
Before upgrade I didn't have this problem.
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Jun 7, 2011
I have the e4200 and I am having trouble getting DHCP reservation to work properly with my Windows 7 machines. Perhaps there is a step that I am missing. Basically I go to the DHCP reservation setup page, select my machine and add it to the reservation table. Then I save the changes. As soon as I do this my computer goes offline. If I reboot my machine, it is still offline. I've tried the same procedure to reserve the IP address for my phone and it works fine so I wonder if the problem is with Win7.
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Apr 5, 2012
I would like to know on how can i setup my cisco 877 router at my small office. Here are the things that i need to do:
1. I need enter the internet static ip address 61.10.xx.xx/subnet mask/gateway/dns provided by my ISP.
2. I need to configure the cisco router DHCP so that the 4 computers can obtain an IP automatically. Howow can i accomplish this setup.
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Feb 7, 2012
I have a Blackberry Playbook and have come into a problem with it.I can't set a Static IP on it so would setting a DHCP Reservation in my Linksys E2500 router act as a static IP?
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Apr 2, 2011
I'm using TP Link router. I went to DHCP reservation list and provided mac address of a computer and ip address to reserve the ip address for the computer. But it still not changing my current ip address. I rebooted router, rebotted computer, but it still not changing to the reserved ip.
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Mar 5, 2012
Ever since I updated my firmware to 1.01 my web interface for the network settings screen has been random. Somtimes it shows a DHCP reservation list, sometimes it doesn't. Sometimes there are reservations, sometimes there are selectable radio buttons. I guess I'm just trying to figure out if this is a firmware issue or not. Ever since I updated the firmware it has been flakey.... But I was having issues with other stuff before that. When there are no reservations, sometimes i can't even select any computers because there aren't any in the drop down, when all of my hardware is online?
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Apr 19, 2012
Is it possible to set up DHCP server with reservations for specific IPs?
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Jul 9, 2010
I've just got a WAG120N router and can't see anyway to see what devices are attached to the router or be able to assign static IP's
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Jun 4, 2013
All the SOHO routers I have used had a table which shows IP, MAC, Name, etc. In this table, I could easily put a check mark to a check box in a row that I would like to bind/reserve and IP would be reserved for that specific MAC.
In ISA570W, when I need to reserve/bind an IP to a MAC it asks me to fill out a table in which I have to manually type in the name, IP, and MAC.
Is there an easier way?Is there a way to do the reservation for multiple clients at once?If this is the only way, do I need to copy the mac address of each client somewhere and then reserve IPs for each one manually? This method looks very far from user friendly and efficient, unless there is a very logical reason that I cannot think of.
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Sep 14, 2011
I cant to obtain DHCP-address on WAN interface. All over hardware can (windows-based systems and Asus RT-N10), but not Cisco 881 Also i cant to obtain ip even from Asus RT-N10 with this configuration:! version 15.1 service config no service pad service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname Router ! boot-start-marker boot-end-marker ! ! ! no aaa new-model memory-size iomem 10 ip source-route ! ! ip cef no ipv6 cef ! ! crypto pki token default removal timeout 0 ! ! license udi pid CISCO881-K9 sn FCZ1523C3RR ! ! username admin privilege 15 secret 5 $1$0H8v$xx/HtPJIllcFvEWFjzI5t/ ! ! ! ! ! ! interface FastEthernet0 ! interface FastEthernet1 ! interface FastEthernet2 ! interface FastEthernet3 ! interface FastEthernet4 ip address dhcp ip broadcast-address 0.0.0.0 duplex auto speed auto ! interface Vlan1 ip address 192.168.4.1 255.255.255.0 ip broadcast-address 0.0.0.0 ! ip forward-protocol nd no ip http server no ip http secure-server ! ! logging esm config ! ! ! ! ! control-plane ! ! line con 0 exec-timeout 0 0 logging synchronous login local no modem enable line aux 0 line vty 0 4 exec-timeout 0 0 logging synchronous login local transport input all ! end After thousands experiments next configuration started to obtain ip from Asus RT-N10 , but not from ISP ! ! Last configuration change at 12:22:25 UTC Tue Sep 13 2011 by admin ! version 15.1 no service pad service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname Router ! boot-start-marker boot system flash c880data-universalk9-mz.151-3.T.bin boot-end-marker ! ! ! no aaa new-model memory-size iomem 10 ip source-route ! ! ! ip dhcp relay information trust-all ip dhcp compatibility suboption link-selection standard ! ! ip cef no ip dhcp-client broadcast-flag no ipv6 cef ! ! crypto pki token default removal timeout 0 ! ! license udi pid CISCO881-K9 sn FCZ1523C3RR ! ! username admin privilege 15 secret 5 $1$3bFL$y/cxqQLd.8cixPrtETEJ4. ! ! ! ! ! ! interface FastEthernet0 ! interface FastEthernet1 ! interface FastEthernet2 ! interface FastEthernet3 ! interface FastEthernet4 ip dhcp relay information trusted ip dhcp relay information check-reply none no ip dhcp client request tftp-server-address no ip dhcp client request netbios-nameserver no ip dhcp client request vendor-specific no ip dhcp client request static-route ip address dhcp ip broadcast-address 0.0.0.0 duplex auto speed auto ! interface Vlan1 no ip address ip broadcast-address 0.0.0.0 ! ip forward-protocol nd no ip http server no ip http secure-server ! ! logging esm config ! ! ! ! ! control-plane ! ! line con 0 exec-timeout 0 0 logging synchronous login local no modem enable line aux 0 line vty 0 4 exec-timeout 0 0 logging synchronous login local transport input all ! end ISP's hardware based on Juniper.What else must I switch of/on to start DHCP-client?!
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Jun 17, 2011
I have an Avaya IP Phone for work. This has been tested at work and works as expected. After the IP Phone boots it's able to obtain an IP address from work. At home when I plug the IP phone into my DIR-655 router, it's unable to obtain an IP address. Other network devices are able to obtain an IP address, for example any computer or laptop. Also my wireless works with no issues expect for the IP phone. I've already done some searching and found other users with the same issue but I haven't been able to find a solution other than setting a static IP address. I'm curious why this relatively new router won't work with an IP phone. I've played with some of the router settings but it didn't make a difference. Any work around to get the DHCP to work? I'm running the latest firmware for my router: 1.35A Hardware Versions: A4.
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Mar 7, 2012
I have configurate AP1230 as DHCP server. And I have 2 vlan and SSID :
vlan 1: office use
SSID: OFFICE
vlan 11: guest use
SSID: GUEST
Now the user can login with OFFICE's ssid for obtain IP from windows server 192.168.3.4. But GUEST's ssid can't obtain IP after login.
ip subnet-zero
ip dhcp excluded-address 10.0.0.1 10.0.0.20
ip dhcp excluded-address 10.0.0.40 10.0.0.254
[Code].....
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Mar 29, 2012
I would like to share one problem with WLC 5508 . we added a new virtual interface on the WLC. One new SSID is associated with this interface.
We created a ACL for this interface to restrict the access via WIFI to certian services. It´s not correct that everything works fine because the change were not applied. [code]
The changes of the ACL are applied on the fly, but for reason we don´t know, the clients don´t get a DHCP IP-Address (after changing the ACL) until the Controller is rebooted.
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Dec 15, 2011
I am struggling with the following issue. I have 6 1130 Accesspoints in lightweight mode connected to a 2106 wlan controller which runs software version 7.0.98.0. Everything seems to work fine. Clients can connect to the wifi network. However, they don't get an ip address from the dhcp server which is on the same subnet as the wlan controller. See attached screenshots for configuration. I have also tried the internal dhcp server of the wlan controller, but the same problem remains.
The logs says: Dropping primary discovery request from AP e8:b7:4x:xx:xx:xx - maximum APs joined 6/6 There are 6 AP's connected
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Apr 14, 2013
I have two ethernet cards (from same equipment) that arent acquiring IP Address after instalation of WLC 2504.I dont want (yet) to disable DHCP proxy on WLC.
*DHCP Socket Task: Apr 15 18:49:04.219: 00:0a:95:XX DHCP received op BOOTREQUEST (1) (len 556,vlan 0, port 1, encap 0xec00)
*DHCP Socket Task: Apr 15 18:49:04.219: 00:0a:95:XX DHCP dropping packet (no mscb) found - (giaddr 0.0.0.0, pktInfo->srcPort 68, op: 'BOOTREQUEST')
*DHCP Socket Task: Apr 15 18:49:07.218: 00:0a:95:XX DHCP received op BOOTREQUEST (1) (len 556,vlan 0, port 1, encap 0xec00)
*DHCP Socket Task: Apr 15 18:49:07.218: 00:0a:95:XX DHCP dropping packet (no mscb) found - (giaddr 0.0.0.0, pktInfo->srcPort 68, op: 'BOOTREQUEST')
[code].....
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Feb 20, 2013
2 days ago, my laptop was connected to my router and working fine. But it then randomly disconnected and haven't been able to connect back since. I am using an ethernet cable to access the internet, and have tried many ways to try and resolve the issue but nothing is working.
I have a Dell L501x (Win 7 64-bit) with the Intel Centrino 1000 BGN wifi card. I have restarted the router and modem and disconnected all devices and tried reconnecting, but to no avail. I have tried updating the drivers, system restoring and using safe mode (with network) but nothing works. The modem and router are working fine as other devices connect and access the internet, it is just my laptop that cannot.
I am sure it is not a hardware issue as the card detects all the surrounding networks. The troubleshooter only says "An administrator profile failed to obtain an IP address from the DHCP server.
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Dec 21, 2012
On my EA4500 i've given my Sony Google TV Box (connected by wifi N) a static ip address under "DHCP Reservations". However is there any way to add a DNS server address to this reserved IP so that only the Google Box is affected by the DNS, all the other connected devices remain unaffected? Presently i enter the required DNS address in the google box but i would prefer to do it on the EA4500. I'm using the latest Cisco Cloud fw on my router.
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Mar 12, 2012
Currently i have multiple computers that are connect via lan with ip addresses(static) that are connected to a cisco router. My question to you, how do you assign more ip addresses to computers on the lan.
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May 12, 2012
My new EA4500 (fw ver 2.0.36) won't obtain an IP from a Brighthouse TM502G cable modem. The EA4500 replaced a functioning WRT54G which would obtain an IP from the ISP. I've tried upgrading firmware and have used both straight-through and crossover cables between the EA4500 & TM502G to no avail. The EA4500 would issue IPs to it's clients, but not obtain one from it's TM502G. At the moment, all 3 are daisy-chained together with the old WRT54G in the middle in order to make the EA4500 work. Both WiFi and LAN ports function in this configuration.
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Dec 20, 2012
Small company, under 10 computers, wired and wireless printers, straightforward network. Do not need (nor particularly want) Smart Wi-Fi, Cloud Connect, or or anything other than a simple manually-setup router. Have a new EA6500 I plan to use replacing an E1000 that is playing up (needs to be reset every morning) connecting to Verizon east (former GTE) aDSL. Connected the EA6500 to a laptop via ethernet, changed router password to same as E100, set up the two port forwards I'll need (IPs on the internal network are static in the 192.168.1.0/24 block), changed DHCP server to start at 101 (don't ask), leave Internet Connetion Type setting at "Automatic Configuration - DHCP" (same as E1000), shut down both routers and modem (Westell WireSpeed 890-210015-04). Connect EA6500 to modem, power up modem, power up router, and...Nothing. Does not receive external IP via DHCP.If I switch back to the E1000, it immediately picks up the IP lease.
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Dec 16, 2012
Why I must restart my e4200 after 2-3 days when I want to connect my device like notebook or phone to the router. After restart my device can obtain the ip. I hardly to turn off the router.Is something wrong with my router ? [code]
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Sep 26, 2011
I tried many times to connect my ps3 to the internet/playstation network so far no luck. The router I'm using is a linksys WRT54G v 2.00.8. I have no problem using my WII, PSP, or computer to go online but my ps3 cannot connect to the internet.url...The errors I might sometimes get is "failed to obtain IP adress" and most of the time I get something with unable to connect to internet server when I am able to get the IP address
I was thinking maybe I shold reset my router to default settings but I'm not sure what's the way to do that or update the router? This problem also has been happening for a week now. In the previous weeks I could easily connect to the internet with no problems and all of a sudden I cannot connect anymore and this has happened a few times already in the past where I am unable to connect to the internet with my ps3 for a few days to a week.
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Jan 11, 2012
We have purchased a new 2951 router with IOS version 2951-universalk9-mz.SPA.150-1 and we would like to upgrade to c2951-universalk9-mz.SPA.152-2.T.bin.
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Mar 22, 2012
User connects through a sonicwall device via SSL VPN and gets a static IP every time, despite what device they come from.
1. LDAP somehow supplies the IP from a DHCP server behind the sonicwall
2. The sonicwall somehow supplies the static IP on the interface that the net extender is connected to.
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