Configuration Of Two HP 1810g-24 - Trunk / DHCP?
Mar 28, 2012
I am trying to setup a small network For a project. I'll first go over the goal, then current equipment, and what I've done.
Goal is to provide internet access to all, with separate between the groups. The groups are Staff, student, multimedia team, and general use. Reason to separate them is for fileshare, Print/scan, security. A second goal is also to provide wireless internet access to the staff group And general usage. here's the equipment I have.
2x hp 1810g-24
1x asus rt-n66u (dot1q supporting)
2x wireless access points (cisco 1231g and engenius eap150, with a dd-wrt rt-n16 as the access point manage)
Here is what I've tried to do..
I've created four additional vlans on top of the default (vlan1)
vlan10 - staff
vlan20 - student
vlan30 - multimedia team
vlan40 - general use
I then turned port 2 on switch number 1 to a trunk, and trunked it to port 1 of switch number 2.The trunks I have them tagged on both switch.All hosts on the network will mostly be just basic computers/laptops/printers/etc.I've tried a number of methods, but can't seem to get it to work smoothly.I just need all the vlans to be able to reach port 1 of switch 1( the router)
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Jun 27, 2012
I have a problem with my SIP trunk config. I can receive calls, but unfortunately I cannot dial. I found out why, and it is because I have one main registered number from TISP, and I am trying to dial with the phone number from the block. That is why I am receiving unauthorized messages when I enable debug ccsip messages. I called TISP and they said that I should always use main number and to send my number via P-Asserted id. or via P-Preferred Id. how to configure this ? I found only this conf.
Commands:
dial-peer voice tag
viace-class sip asserted-id pai or ppi
I tried with this but it didn't work. I don't know where to say what I need to insert , and instead of what .
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Mar 21, 2013
I have Cisco LAP1522 configured as a Root Mesh AP - it needs to support multiple vlans across the mesh. The G0 port is configured for trunk with VLAN 310 as native and VLAN 590 added as an allowed vlan.
The AP is directly connect to a Cisco 3750G and works fine as long as the switchport is configured an access port with VLAN 310 assigned. When configuring the port as a trunk (dot1q) with native vlan 310 or any or none, communication with the AP drops off and disassociates from the controller.
A sh int trunk lists the port as active and supported, but there is no communicating with the AP, there is no MAC active on the port. It will remain this way until the switchport is reconfigured as an access port with VLAN 310 assigned.
The switch does have "vlan dot1q tag native" enabled to support other devices connected to this unit.The AP and conrtoller are running 7.0.204.0 and the switch is at 12.2 (44) SE5
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Sep 2, 2012
ASA 5505, I got a security plus license which allows multiple VLANs.I want to be able to configure the ASA to allow only RDP session (One way) to another Switch where all the VLANs are. I've attached a pic of what I want but I'm struggling.
I looked at documentation saying you should have inside and outside interface but I'm not sure on this scenario.I've configured inside interface on ASA e0/1 and interface VLANs but not sure what to do between ASA and Switch?
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Jul 11, 2012
I am struggling with a CE520 and its smartports stuff.I have configured the following vlans :
1- data
100 - phones
I need to bring those vlans (both of them) to a Cisco 800 router. The port of the 800 router is already configured as trunk and accepts vlan 1 and 100.The cisco 800 has both vlan 1 and 100 configured with 2 ips on different subnets, and ip routing is enable (to route between two vlans). Also, no access lists are configured.I have configured one port in the switch as role "router" and connected to the router. The other ports are all configured as phone-desktop (phone vlan 100 desktop vlan 1).If I connect a phone and manually configure an ip (the phone gets automatically vlan 100), and try to ping the phone from the router, it doesnt respond. Alse vlan 100 is protocol down.I am guessing what s the right configuration as the link between the switch and the router should be a trunk link for 1 and 100 vlans, but it looks like is transporting only vlan 1.Also changing the port role to "other" when you can specify the native vlan and another vlan, the switch doesnt accept vlan 100 as additional vlan on that link.
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Sep 28, 2011
I am trying to configure a trunk between the above two devices. I like to have vlan11 on ASA. Then I like to connect a host to my switch, and have it communicate with other devices in VLAN 11 or other vlans that reside on the ASA. Below is the config that I currently have.
ASA:
ciscoasa# show run interface Ethernet0/1
!
interface Ethernet0/1
[Code].....
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Aug 27, 2012
A client of ours has installed an SG300-24P switch and would like to setup a LAG between the SG300 and the 3560 switch we manage for them. They would like the LAG to also pass the voice and two data VLANs currently in use; 5, 10, and 100 respectively. I configured the two ports as an Etherchannel with trunking on the logical port, but no luck. I reconfigured as follows:
interface GigabitEthernet0/1
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode active
end
[code]....
I see no output when I do show lacp nei. At this point the client is looking to use for the configurations to use as he does not know how to setup the SG300 and it is a switch I have never dealt with. I have found some configurations that I believe would allow a single VLAN across, but nothing I believe will allow the LAG to pass all the VLAN's.
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Dec 22, 2012
We have Cisco 4948 switches running in production. We want to moniter the trunk link through SNMP.If trunk link fails SNMP need to send notification to server.
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Jul 30, 2012
My switch is a HP 1810G-24 - Firmware P.2.2. As I read everywhere that this piece is nearly unbreakable I bought a used one from ebay. When I got it, it had a P.1.1. Firmware, so I upgeded to the latest P.2.2 via 2.1 ...My router is a Fritz!Box 7390 with original AVM Firmware.
Now my problem: If I reset it with the two reset switches to factory defaults w/o connection to my router I can access the managemet interface via Firefox or IE easily. (IP-Switch: 192.168.2.10 - IP-PC:192.168.2.12 - both static)
When I activate DHCP or use a static IP outside my DHCP Range (Range 002-200; IP Switch: 192.xxx.xxx.201) and plug in my cable to the router, I can't access the interface anymore. Even pings get lost.
The HP page is quite reluctant with information and exchanging it is also no option.
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Apr 11, 2013
Is there really any reason why you wouldn't use spanning-tree portfast on a trunk port other than a trunk between two switches? We have it enabled on all ports except for the fiber trunk between two non-stacked switches and the trunk ports connected to our Astaro firewall.I'd like to enable it on the ports to the firewall unless that would cause issues.
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Feb 12, 2012
we recently aquired a managed services job and have to do a overhaul of the vlan configs and have a whole dozen WC2948G's trunk between a set of ports as well as trunk out a LAG channel setup to non cisco equipment. the deal is the lacp-channel works properly on both ends but no routing of vlans between ports and between the lag trunk are working.
theres alot of settings in the config and im planning on clearing it and starting from scratch but before i do i want to know where my problem lies.
[code]...
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May 16, 2011
OK, so just mooching around in the pages of my switch, a 24 port switch and it has in the logs:
268InfoMay 15 22:43:51NIMInterface 26 is Link Down
269InfoMay 15 22:43:51NIMInterface 26 is Link Down
270InfoMay 15 22:43:51NIMevent(39),intf(26),component(2), on non-existent interface
Now, correct me if I`m wrong but my switch only has 24 ports and two of those (23 and 24) are dual personality jobbies!?Where the hell is port 26? Where did it come from? and why did it need to show up only for the switch to realise that it doesn`t really exist?
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Jan 8, 2012
i am trying to daisy chain 2 pro-curve 1810g 8 port switches.i got the cable i need to connect them but i just want to know what kind of settings i have to change on the switches to have it run as best as it can.
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Apr 10, 2012
I wanted to know if I can somehow setup my network to use a proxy for all connected devices?
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Oct 24, 2012
I recently reset my Quidway WA1003A modem from Huawei and ever since, the radio button for the server settings under DHCP configuration is at OFF whenever I start up my computer. So if I try accessing the internet via wi-fi on my phone, I'll have to manually change the radio button by opening up 192.168.1.1 through the browser on my computer each time. I never faced this issue prior to the reset. It used to somehow always be saved as ON.
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Aug 16, 2011
I have a WCS that I use to manage 8 controllers (2 WiSM's totaling 4 controllers, and 4 more controllers at remote locations). All controllers connect to 3750 switches. The layer three interfaces for all V LAN's that are related to the wireless network are created on these switches. Each layer three interface has a helper address that points the devices in the sub net to the correct DHCP server.
When a wireless device requests a DHCP request I believe it gets to that server based on the relay from the layer three interface on the 3750. However, I know that the virtual interface on the controller is also requesting an address because my firewall is flooded with deny statements. The virtual interface is configured for 1.1.1.1 and so it gets blocked. I am starting to question the use of this interface considering the fact that it is getting blocked and the clients are still getting address.
Are both interfaces trying to act as DHCP relays? Could I setup the controllers to be the only relay (without using the virtual interface)?
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Mar 17, 2011
I have DHCP server running in windows 2003. Presently its unable to provide Ip address for VPN clients who connect remotely. What I should do / reconfigure in DHCP, so that the DHCP server provides address for VPN clients.
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Dec 16, 2012
We have 6 aironet 1140's throughout the office I have them all configed as one ssid but I would like the DHCP to come from our Windows server. Right now I have set them up with ip dhcp pools. So what is the secret to get them to send dhcp requests to the Windows server?
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Jun 6, 2013
I have to configure DHCP on Aironet 1100 WAP so wireless client will get IP address through WAP. I tried all the option mentioned in Document but nothing is working.
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Jan 27, 2009
I know this question was asked many times, but I'm still not able to finalize my configuration on 871w. LAN part works fine, but wireless clients do not get DHCP IP. here is the config:
Building configuration...
Current configuration : 2092 bytes
!
version 12.4
no service pad
service timestamps debug date time m sec
service timestamps log date time m sec
no service password-encryption
!
[ code ].....
I'd like to have LAN and WLAN clients in same 192.168.1.0 sub net.
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Apr 16, 2012
City A is the data center with 2 WLC (CT2504-K9) and a number of AP. City B is a branch with MPLS between A and B. Right now the APs at City B has joined the controller. Users at B is getting ip's assigned from DHCP at City A. How do I configure the WLC so users can get ip's assigned from DHCP server present at B. Option 43 is enabled.
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Aug 28, 2011
I am relatively new the configuring network switches. Could someone point me in right direction to configure SG300-28 as a DHCP server?
From the people I talked based on device specs it should be able to act as dhcp server. However, if we cannot, can it be configured so that clients get DHCP information from Firewall to which L3 switch is connected.
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Jul 9, 2011
DHCP configuration on CISCO core switch 4507R switch.With one vlan and multipul vlan both configuration using any ip address range.
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Oct 4, 2012
I want to configure multiple DHCP configuration on ASA 5505. I tried to create sub interface for different IP Pool but it was not configure on ASA 5505. is it possible to create subinterface on ASA 5505?
ASA 5505 IOS version: 8.3(1)
License: Security Plus
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Oct 21, 2011
I did the DHCP configuration for my CISCO 2960 switch but the clients are still not able to get the IPs.see the configuration below.
(config)#ip dhcp database cisco.com
(config)#pool test
(config-if)#client client-id vlan 500
(config-if)#ip dhcp snooping trust
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Jun 19, 2012
This is IOS 15.1(4)M3 on a 1921 router. The LAN is 192.168.42.1/24. (DHCP config is further down.) We have a small range that we want to assign via DHCP to devices; .200 through .220 . At the same time, we have a handful of Macintosh systems to which we want to assign a specific address that is not in that 200-220 range. I don't want to configure the assignment based on the Ethernet MAC addresses because these systems might connect via UTP or wireless; that is to say, they have more than one MAC address. They only ever connect using one interface/MAC address at a time, but it's their choice; in some areas wi-fi is available, and in some areas they have to cable-up.
The Mac OSX network settings has a field for "DHCP Client ID". It would be much easier to tell the users of these systems to put their Mac's name in the Client ID field for both their wired and wireless DHCP configs. (As opposed to having them all lookup, and then give me their Ethernet MAC addresses for both of their interfaces.) I tried this with my Mac's (named "shrike") wi-fi interface, but I don't get the 192.168.42.14 address that I expected. I get an address from the .200 to .220 range.
Here's the DHCP-related config from the router:
router#sh run | s dhcp
ip dhcp excluded-address 192.168.42.1 192.168.42.199
ip dhcp excluded-address 192.168.42.221 192.168.42.254
ip dhcp pool OurOffice
network 192.168.42.0 255.255.255.0
[code]....
Is "client-name" the wrong place to configure the DHCP Client ID?
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Jan 8, 2013
We have been using a dhcp and tftp server to automatically configure branch WAN routers such as 1751's and 1841's for years but, have recently purchased a 1921 and 1941 as possible next generation replacements. The problem is when the 1900 series power up instead of getting a dhcp address directions to the tftp server it boots up and asks for the user name to be immediately changed or you will be "locked out". Any workaround to this so that I can again go back to download my common configuration? Or any other way of automatically configuring the newer version ios? Doing extra steps for 500 WAN branch routers is time consuming. Doing configurations without automation for that many is moving in the wrong direction.
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Jul 30, 2012
I'm experimenting a strage issue with some AP1142 that prefer getting new IP from DHCP server rather than using the static ip already configured.
I've got more than a hundred of 1142 APs already conected to a 5508, all with static IP, all working fine for about a year.
As i installed 30 more AP, i enabled a dhcp scope on the controller to give IP to the new APs and when the new aps got registered i changed the configuration to static IP.
The problem comes when some of the older AP than have already static ip are gettig ip from dhcp scope.
If i look at my WCS, it reports that this APS are getting DHCP IP because they cannot reach the controller with their static ip. As this is impossible, because the static ip and the dhcp enable scope are in the same subnet in a layer 2 configuration and with the same gateway. (e.g: old AP 10.10.2.10/16; new AP(dhcp 10.10.3.10-50) 10.10.3.15/16; gw 10.10.254.1)
The problem comes when i disable the dhcp scope, all the older aps that got dchp ip from the wlc scope instead of using their staic configured ip are deregistered. If i reset every ap manually, from the swithc disabling PoE, they start to use the static ip and everything comes fine.
This is happening with about ten of fifteen APs from the 100 installed, that is the strange thing because this seem to be very random as the failing APs are installed in different building and connected to different switches.
As now i have disabled dhcp scope and all APs (old and new) have static ip everything is ok, but i will have to add some more APs shortly and every time i enable the dhcp scope on the wlc
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Jan 28, 2013
I am going to creat VLANs very 1st time therefore for test purpose I have following simple scnerio.I have created 2 VLANs , VLAN2 and VLAN3 on Cisco Catalyst 2960 series switch. Ports 1-12 is assigned to VLAN2 and Ports 13-24 are assiged to VLAN3. Now I have configured DHCP on Microsoft Server 2003 defining 2 scopes with following configurations.
Scope 1 for VLAN 2--- Range is 172.16.0.17 to 172.16.0.30 with subnet mask=255.255.255.240 . Server IP address 172.16.0.17
( Note: Address 172.16.0.17 is excluded from dhcp server Scope 1 and give to the MS server itself)
Scope 2 for VLAN 3----Range is 172.16.0.33 to 172.16.0.46 with subnet mask=255.255.255.240 .
Now in Cisco 2960 series switches, under Vlan 2 and Vlan 3, I have following configurations...
interface Vlan2
ip address 172.16.0.30 255.255.255.240
ip helper-address 172.16.0.17
interface Vlan3
ip address 172.16.0.46 255.255.255.240
ip helper-address 172.16.0.17
Now the problem is when i connect a client computer to any port from 1-12, It gets correct IP address from Scope 1 but when I connect a computer to any port from 13-24, it does not get the ip address.
Further I want to do inter VLAN comunication as well for that purpose i Have an ISR 2900 series router. What further configuration i will have to do on router for inter vlan communication.
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Jun 14, 2012
What is the difference between wireless zero configuration and wireless PAN DHCP server?
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Nov 11, 2012
I have some DHCP trouble since I subnetted my network with a 2921. My clinets are in 172.16.2.0/23 and DHCP servers are in 172.16.5.0/24.Sometimes, randomly I guess, I get NACK from my DHCP server, and if I look into DHCP logs I got something like this:
15,11/09/12,09:52:27,NACK,172.16.3.172,switchE51D12.host.com,A0CF5BE51D12,,0,6,,,,,,,,
15,11/09/12,09:52:28,NACK,172.16.3.172,switchE51D12.host.com,A0CF5BE51D12,,0,6,,,,,,,,
15,11/09/12,09:52:29,NACK,172.16.3.172,switchE51D12.host.com,A0CF5BE51D12,,0,6,,,,,,,,
[code]....
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Apr 3, 2012
Have a client wanting to hand out public ip addresses to all clients from a PFSense Firewall terminating the internet connection.
How do I allow the Cisco Switches currently in place, configured with private ip addresses in the 10.10.x.x ranges and Vlans, where the main 3550 layer 3 has defined dhcp scopes for each vlan, to relay dhcp requests from all vlans to the PFSense firewall?
I assume I would take off the currently defined dhcp scopes for the vlans and configure each vlan/switch with the ip helper address and specify the PFSense firewall and that Nat would have to be disabled onthe firewall?
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May 30, 2011
I have a Cisco ASA 5500 as the main router with a DIR-655 as a wireless access point behind it. DHCP is turned off on the 655 as the ASA is providing DHCP. This worked great for about a year and now suddenly, without any changes, I'm having problems. The only thing that connects without a problem is a laptop, which shows up on the device list with an IP. Other devices have problems. iPhones connect, show an IP on the device itself, but when listed in the connected list on the 655 show no IP. The connection is super slow. An Airport Express will connect, but again, shows no IP in the connected list on the 655. Using the ethernet cable from the Airport Express, nothing can get an IP. I can live with the iPhone not connecting, but the Airport Express not connecting is a major problem. Any reason why this would just stop working one day?
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