HP 5500G-EL Switch - Replacing Domain Controller With Something More Lightweight
Apr 24, 2013
We have a remote site with ~5 users, 4 IP phones and a network printer. Right now we have an old Win2003 box serving as the DC for that site. It is connected back to us via 10MB layer 3 routing on a HP 5500G-EL switch. This windows server is getting quite old and I'd like to avoid the expense of buying a new server just to hand out addresses and authenticate users. How do you all handle login authentication,dns,and DHCP for your lightweight remotes sites?
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Mar 22, 2012
I'm wondering if there is an easy way to change the regulatory domain on a lightweight access point. The reason I'm asking is someone accidentally placed an order for AIR-CAP3502I-N-K9 access points instead of the AIR-CAP3502I-A-K9 flavored ones. I can see how it happened, since undoubtedly someone asked for the "N" access points, thinking 802.11n, and the other person was thinking AIR-CAP3502I-"N"-K9.
do I have to RMA them, or is there a way to magically turn them into the ones flavored for the Americas?
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Apr 3, 2013
I have a 5508 controller, just upgraded from 6.0.182 to 7.0.98.0. Also LAG was switched off directly after upgrade.
Since the upgrade none of the 1142 LAPs are associating with the controller. I can see they are being issued IPs by the internal DHCP but putting a console cable and watching I am getting:
Not in Bound state.
*May 4 11:41:17.759: %CAPWAP-3-ERRORLOG: Not sending discovery request AP does not have an Ip !!
*May 4 11:41:17.759: %CAPWAP-5-DHCP_RENEW: Could not discover WLC using DHCP IP. Renewing DHCP IP.
One Ap prior to the upgrade was on a static IP and that connected through without any problem, (it was an 1131 though, but I dont think that is the issue...)
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Nov 18, 2012
In my office we are using two networks , one is 16.x.x.x and another on is 15.x.x.x . 16.x.x.x having the domain controller. 15.x.x.x is only connected with Workgroup. my question is it possible to add 15.x.x.x network system into 16.x.x.x network . I tried to add but it gave error message "Domain Controller can not be contacted". Generally we cant add it into the domain i know that. is there anyway to connect the 15.x.x.x systems into 16.x.x.x domain using router in the network.
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Jun 19, 2011
Type: Error
EventID: 1054
Description: Windows cannot obtain the domain controller name for your computer network. The specified domain either does not exist or could not be contacted. Group Policy processing aborted.
Dad's work laptop (XP) will no longer connect to any wifi at all. I removed the Intel PRO/set wireless utility so it would default to windows, enabled the Wireless Zero Config. It will acknowledge the network, attempt to get an IP address from the network for 1 minute, then it rotates down to the next network SSID in queue (I have 3 SSID's in our house). When it reaches the end, it just goes back to the "Windows is not connected to any wireless networks" message.
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Mar 1, 2011
In 2004 I had a small home network of an NT4 domain controller with a 98 client and an XP client and an NT4 workstation laptop.ll was fine with the NT4 server providing a central store and print queue for a networked laser.Over time the laptop has been replaced with a Win7 (which will access the files but really doesn't the NT4 domain.) The Win98 has died and now finally the NT4 sever has gone too.I intend to revert now to a workgroup type set-up and forget about domains (I don't need it really) My problem is if I remove my XP machine from the domain I loose all the program menu, shortcuts desktop etc. which are stored under the domain user name login.Can I retrieve these or at least look at them so I can set up the local XP administrator account with all my familiar stuff.
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Jul 5, 2012
I hav windows server 2003 w/ 3 clients on my home network.2 of these machines link w/ server when i formatted & try to link 3rd machine it says "A domain controller for the domain fits.local could not be contacted" this problem I have 2003 server + isa server 2004 + exchange server 2003 installed in one core i3 machine..........
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Feb 16, 2012
We relocated several servers to our DMZ and, without a domain controller in the DMZ (we plan to put a RODC in the DMZ later when we mvoe to Windows Server 2008), i punch through the standard recommended TCP ports. ports 88,135, 389, 53, etc.) to the internal network located DC. I am double hopping to the DC (I hope thast doesn't matter) as the DMZ located web server communicates to another IP address in the same DMZ network and then I NAT that address to the internal IP address of the DC. Everything seems to be working for the servers we moved to the DMZ but i think i don't have all the necessary TCP/UDP ports punched through because we have found that logging into the DMZ servers is taking an extended amount of time, sitting on the “applying settings” screen. For 2-34 minutes. Also, we noticed that our applciations fols have to now add the fully qualified domain names when making calls to servers that just needed the domain name. When i open the access-list up completely without opening specific TCP/UDP ports, the issue is resolved.
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Feb 10, 2011
I am having trouble adding a computer to the Domain Controller. I have a cable modem running into a di-524 router. The router has DHCP and DNS relay disabled. I set the LAN IP Address of the router to 192.168.2.1. The router is connected to a switch with 10 pc's and a server running 2003. The server has an IP Address of 192.168.2.2. I setup a DHCP server inside 2003 with a scope of 192.168.2.100-192.168.2.199. Under scope options the router is set to 192.168.2.1 and DNS Servers is set to 192.168.2.2 (the ip address of the domain controller). When I try to add the computer it cannot contact the domain controller. Is there something wrong with my DHCP config or DNS?
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Nov 30, 2011
I am currently planning a Active directory deployment. It will most likely be a new forest, but the domain could become part of a existing forest. I have about 45 Computers with about 85 users. At one time there is about 42 users logging in as there is two shifts. The logons will be done all at once. Do you think two domain controllers will be able to handle the load?
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Apr 11, 2012
o create a domain host
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Nov 22, 2012
How has file server been affected by promoting your server to a domain controller? and what are file sever actually do?
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Dec 6, 2012
We have sup engine 6L(WS-X45-SUP6L-E) on two 4506 switch. both switches connected in LAN (HSRP primary and Secondary).
We are going to replace it with Sup7LE. What is the best procedure to get this done with minimal outage?Any other important thing to be noted ? Note : We have Lincence for SUP 7LE
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Aug 11, 2011
I have only one PC. I use cross cable for setup Domain controller. Than network icon show available network but it is just only send and can't received.
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Dec 6, 2011
I have a small network: - Domain server - Terminal Server - DB Server SQL 2008 (windows authentification) Usually, user lost connection to the domain.
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May 4, 2011
we have using 10 system with domain contorller connected to network once disconnect server i cant acces to local systen ( per to per )
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Apr 8, 2013
I'm due to replace a stack of 2 x 3750 switches very soon with 2 x 3750Gs. These 2 current switches are the VTP server for a small domain. I have put the config on the new switches switches and I made it a server and used the same VTP domain and password etc and got the VLAN info ported over.Now I did this a while back and noticed the switches are in transparent mode with a revision number of 0, I need to set this back to server and swap the switches out but the revision will be lower than the client switches (around rev 200), what do I need to do?
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Apr 15, 2013
what i am trying to accomplish is to set up a domain for my home network. the domain is going to consist of 2 server boxes both running ubuntu 12.10 server edition and a client machine running windows XPone linux box will be my DC using samba and the other will host email, and apache2 web services.i dont know if you need all of this info but in my experience its best to be thorough.I registered a domain through godaddy.com and made it point to my home IP address. now what happens because all of my machines are behind a router is when i type in my URL it brings up the login request for the cicsco webinterface. what i would like to happen is that my router points traffic to the ip address on my home net work 192.168.1.XXX that is hosting the apache2 webserver.I would also like to connect the client(XP) machine to the domain controller but i keep getting an error that says that the domain does not exist. I have been through the samba settings and they are exactly the same as when i set them up for a mock PDC using "example.com" as a domain name
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Nov 15, 2012
My Primary Domain Server is down and i have to format the server. I have 2 Additional domain controllers. How do I add DC after formating the server in the same domain.
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Sep 12, 2011
Within ACS 5.2, does any know of a way to see which specific domain controller a request is sent to?
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Sep 5, 2012
I try to join an ACS v. 5.3 to the domain. For my acs in Location A, I can join without problems using my account. When I try to join the ACS in location B to the same domain with the same account, it doesnt work.I looked at the debug log files for the ad client, and noticed, that the ACS in location B goes to a certain Domain Controller. However, I would have expected the ACS to contact another DC, which is located on the same location as the ACS ... this doesnt happen.
My question: How does the ACS determine what DC to contact ? Is it possible to force the AC to join by connecting a certain DC ?
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Nov 27, 2011
I am trying to set up the SG300-52 and am struggling, I have a domain controller with IP address 192.168.0.1 I have a broadband router that is has a dynamc ip address. I have set up vlan1 aand vlan2
Vlan1 is getting its ip address from the domain which is 192.168.0.110
vlan2 is getting its ip from the broadband router.
I have setup Domain Name System in the Ip configuration tab
on Vlan1 I have a connected a dumb switch this connects all the computers in the local network. What I cannot get to work is the internet vlan.
who has setup up vlan routing with domain controller
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Jun 18, 2012
I have a supervisor blade, (VS-S720-10G-3C), in a 6513 that is faulty and needs replaced. Do I need to replace the IOS on the new supervisor blade to make sure it is the same as the IOS image that is on the Active supervisor module, or will it synchronize automatically?
In the synchronization process, the active supervisor engine checks the standby supervisor engine run-time image to make sure that it matches its own run-time image. The active supervisor engine checks three conditions:
#
•If it needs to copy its boot image to the standby supervisor engine
#
•If the standby supervisor engine bootstring needs to be changed
#
•If the standby supervisor engine needs to be reset
I was reading the above documentation that mentioned the active supervisor should copy the image if it detects a newly installed standby supervisor blade with a different image, is this correct or was it referring to synchronizing the configuration file?
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Feb 14, 2013
On our ASA5510 in the area AAA Server Groups, there is an entry for LDAP and an object that refers to our 2003 Domain Controller. This DC has LDAP over SSL enabled and I can see the DN and Password for a domain user account.I've created two new DC's, both R2 2008 but when I enable these in the same way it says it could not authenticate, ERROR auth server not responding, AAA group removed.I thought this had something to do with CA being installed on a DC, but it's not running as a service on the DC that was already referred to.
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Feb 28, 2010
Is there currently any ACS version working with Windows Server 2008 R2 domain controllers?Our server stuff has recently upgraded the Domain Controllers to 2008r2 and turned off the 2003 servers. This didn't make our ACS 4.1.4 really happy.I've read now serveral posts regarding issues with ACS and Server 2008r2 and hope to find a solution (besides switching to LDAP, yukk).
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May 2, 2013
I have a Nexus 7000 Core Switch , and i need to allow the domain controller ip 10.x.x.x for DHCP relay on switch.
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May 30, 2012
We’ve just begun the transition from our old 3Com switches to new Cisco switches and we’ve encountered interoperability problems as we start the transition.Goal: Extend 6 VLANs (each representing an IP subnet) via fiber from a port on the 3Com 5500G-EI to a port on the Cisco SG-300-52
We assign an IPV4 address to the Cisco SG-300-52. We can successfully ping/web-manage at this address if we do a temporary copper jumper from a 3Com switch to the Cisco. IP address is in the subnet assigned to VLAN7•2) At the 3Com side, the fiber port is set as “hybrid” and is passing VLAN 1 untagged; VLANs 3-8 tagged•3) At the Cisco side, the fiber port is set as “trunk” and is defined with VLAN 1 untagged and VLANs 3-8 tagged.
If I try to change the management interface on the CISCO from VLAN 1 to VLAN 7 (as I would on the 3Com), I lose connectivity over the temporary copper connection•B)
If I remove the temporary copper jumper from the Cisco (keeping the “working” management IP address) and create the fiber link between the 2 switches, I lose connectivity to the management IP , If I set the 3Com fiber port to “access” and make the fiber connection, I can ping the management interface – but of course, I can’t pass the other VLANs to untagged access ports on the Cisco – and it has the fun side benefit of messing with IP management settings on other 3Com switch stacks attached to the 5500G-EI. However, it does demonstrate that we can get network traffic communicating over the fiber link between the 2 switches.
How I can proceed to a) have the management IP address in the IP subnet defined on VLAN 7 while passing the other VLANs to access ports on the Cisco? BTW, I’m a networking neophyte (it’s a very small part of my job and I do it infrequently), so I prefer to use GUI management to CLI options, although I can perform CLI configuration if presented with the right commands.
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Jan 10, 2013
I have problems too when I connect 3com and Cisco.
I have 2 5500g 3com switches connected with 2 links. If LACP is disable, this causes serious problems and STP not works.
Logically , the link, is a port trunk with all the vlans permitted. One switch has STP enable and the other RSTP. Why this not works fine? I need to configure MSTP maybe? PVSTP is not allowed on this switches.
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Jul 27, 2012
I have the task of replicating the router config on a 3825 router on a 3750 switch. Reason is we are taking out the router and replacing it with the switch to make use of the router for other functions.
Below is main part of the router config:
!
ip source-route
ip cef
!
!
multilink bundle-name authenticated
!
license udi pid CISCO3825 sn FCZxxxxxxx
!
vlan internal allocation policy ascending
[code].....
The 3750 switch I have runs C3750E-UNIVERSALK9-M, Version 12.2(55)SE3 on a LAN BASE license.
The first thing I have done is to order for a license upgrade to IP BASE which would give the support for OSPF routing.I do not see much of an issue with the Interface configs, however, I am not too sure about replicating the routing config on the switch.
My question is can I run the commands as shown for the OSPF routing on the switch? If not, can I get suggestions on how best to set this up on the switch?
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Sep 28, 2012
I am trying to join a Cisco Catalyst 3560X-24T-L to an existing VTP domain, my question is what configurations should I do to this switch?I have already gave it a hostname, setup passwords, enabled telnet, created a management address on port g0/24.I would like it to be on VLAN 13, is this done from my server switch, or done on the new switch?
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Mar 30, 2013
i am not able to add new 3750G switch into existing domain even after the domain name is correct and unable to authenticate with tacacs.
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Apr 1, 2012
I'm trying to use 1142 APs with a 2504 Wireless Controller through a D-Link 48PT GBIT XSTACK SWITCH (DLI-DGS-3120-48PC/SI).At any rate, the 1142 AP joins with the wireless controller ONLY when I attach it directly to the controller. When connected directly to the controller the AP functions normally and all is well. When I attach it through the D-Link switch, the AP flashs green several times, indicating that it can't find the controller. I suspect that there's some setting on the D-Link switch that's preventing the AP from seeing the controller.
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Nov 4, 2012
I have two workstations running 7 Pro, each has a quad port intel card (PCIe) which I have created teams for on both sides using link aggregation. On my switch, a Cisco SG500X-24, I set up two LAG's with 4-ports each and have both servers connected as necessary. I turned on Jumbo frames and disabled energy saving. The teams were set up without LACP turned on, however I tried it with LACP and I also ran into the same problem. Both workstations have a 26TB arrays running in RAID 6 (so plenty of read/write speed), however, with this setup, I can only get about 100MB/s (single port speed) and multiple data streams cause the speed to divide. Only single ports blink on the cards as well.
Questions 1 is probably a no-brainer, but it's my first time setting this up, but once this is working properly, would it allow a single file to transfer at ~400MB/s or would I need to start multiple datastreams to take advantage of link aggregation.
Question 2 is what do I need to change to make the link aggregation work?
I do have a little linksys router plugged into a non aggregated port to do DHCP but that wouldn't mess anything up, would it? Considering I can unplug it once everything is talking, all the transfer should take place at the switch level, correct?
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