SG500 associate VLAN for DHCP server/pool

Similar Questions

• Problem with the DHCP server IP address

  Hello

  a new installation of LAN, two VSS pair core 6509, 15 closets, with piles of 3750. Floor 15 only, host devices can ping the DHCP server, but cannot acquire IP addresses. not this problem on other floors?

  PortFast a dother settings are intact.

  your thoughts with be appreciated.

  Massoud

  Are the trunks will switches closets for the vlan, the DHCP server is in?

  Sent by Cisco Support technique iPhone App

• DHCP server press PowerConnect 28xx series / address pool by VLAN

  Hello

  I am reading the manual of the PowerConnect 2824.

  I am considering buying this switch, but I have a question related to the functionality of the DHCP server.

  Here my question: I want to have different VLAN and use the feature of DHCP server on each of them. Then can I have different address DHCP pools by VLAN?

  Example:

  1-16 ports VLAN1: IP subnet 192.168.1.0/24

  VLAN 2 ports 17-24: IP subnet 192.168.2.0/24

  The manual is not clear on this.

  Your help is welcome.

  Kind regards

  Tom

  Daniel,

  Thanks for the reply. Another question does this mean that the 28xx series switch DHCP server, recover the IP address (from the range configured) on all the VLANS configured? So if a device on VLAN 2 issued a request DHCP, it will get an IP address from the same pool as for example a device on VLAN 1.

  Kind regards

  Tom

• Cisco 1921 & SG500 VLAN and DHCP problem

  Dear all,

  Thank you in advance for taking the time to read this.

  A little history:

  I want to install a project for an athlete, which is unfortunately on a budget pretty tight with a potentially large quantity of network users (~ 200 without public WIFI). I need to separate the 5 groups of users and to give them all access to internet without see each other. 5 user groups also share the same bandwidth to the internet and VLANs must be controlled bandwidth.

  To do this, I had planned to use Cisco devices built-in functions and buy a 1921 Cisco router as a switch of SG500.

  I have configured the router for 8 subinterfaces is internal NIC with 8 VLAN. I also configured DHCP Pools 8 on the 1921 and set up NAT and firewall.

  What I want to do now is have the SG500 to recognize the VLAN ID, I configured on the router (as well as on the switch using the same VLAN ID numbers), and then assign ports to the VLAN on the switch, and depending on where I plug into the switch, the device receives different IP addresses from DHCP.

  However, I can't get this to work. The router works fine, the 'intact' if left switch gives me an IP address from the DHCP server on the IP address of higher network VLAN (I.e. 168.8.0). but I can not configure the switch ports correctly so that it works. I was also confused, is that dhcp pools that I have configured on the command-line command on the router do not appear in professional CP in the mask of the pool.

  Can someone kindly check the configuration of the router and throw some guidance on how I need to configure the Ports on the SG500? I must say that I have had too many nights and I seem to confuse tagging, untagging, to exclusion and prohibiting the ;.)

  I have the router for you here:

  Thanks again and good night!

  W.

  Hi Wolfgang, for the sx500 configuration can be something like this

  config t

  database of VLAN

  VLAN 2-8

  int item in gi1/1/1

  switchport mode general

  switchport trunk allowed vlan add 2-8 tag

  switchport General disable filtering of capture

  For any client that connects must be no tagged coelio

  So if you want a client access port then you should do something like 5 unidentified to this port

  config t

  int item in gi1/1/2

  switchport mode access

  switchport access vlan 5

  -Tom
  Please mark replied messages useful

• Pwerconnect 6224: vlan client computers do not receive the ip address of DHCP server on a different VLAN

  Hello

  I have a prolem routing dhcp requests between the vlan management where DHCP server resides and the other VLANs.

  I have the scenario of base with three VLANS: vlan 10 (management vlan), 20, 30, configured on a Powerconnect 6224 switch L2 mode. This switch is connected to a pfsense router. The router is configured at the package of road between the VLANS and it does it well.

  In Vlan 10, I have a configured DHCP server to use the ip addresses of all the VLANS (10, 20, 30). VLAN 10 client computers receive ip address but not others from other VLANs.

  When I put the ip address in the appropriate range of VLANs manually on computers, I ping the server and I have connectivity.

  This suggests that the problem is with the dhcp package.

  The following is the configuration of the switch:

  Configure
  database of VLAN
  VLAN 10,20,30
  VLAN 1 1 routing
  VLAN 20 2 routing
  VLAN 30 3 routing
  output
  SNTP server time.nist.gov
  clock timezone 1 minutes 0
  battery
  1 1 member
  2 2 Member
  output
  DHCP IP address
  IP address vlan 10
  name of the IP-server 172.16.10.1

  bootpdhcprelay cidridoptmode
  interface vlan 1
  Routing
  IP 172.16.1.1 255.255.255.0
  output
  interface vlan 20
  Routing
  address 172.16.20.1 IP 255.255.255.0
  output
  interface vlan 30
  Routing
  IP 172.16.30.1 255.255.255.0
  output
  level of 20fc49459a1898b923ed3ec7b3e81276 user name 'admin' password encrypted 15
  No spanning tree
  spanning tree priority 0
  l2relay DHCP
  DHCP l2relay VLANs 10, 20-30
  DHCP l2relay circuit-id VLANs 10, 20-30
  !
  interface ethernet 1/g2

  l2relay DHCP
  switchport access vlan 20
  output
  !
  interface ethernet 1/g3
  l2relay DHCP
  switchport access vlan 30
  output
  !
  interface ethernet 1/g21
  switchport access vlan 10
  output
  !
  interface ethernet 1/g22
  switchport access vlan 10
  output
  !
  interface ethernet 1/g23
  switchport access vlan 10
  output
  !

  interface ethernet 1/g24
  switchport mode trunk
  switchport trunk allowed vlan add 10,20,30
  output
  Server SNMP community EyesOfNetwork ro
  SNMP-server community public ro
  output

  I followed the instructions in the powerconnect 6224 user guide, but no progress on this issue.

  Any help will be be grateful.

  Thank you

  Zoubeir

  The DHCP server stores information that could be useful? May need to configure monitoring ports and something as wireshark to monitor DHCP packets. This would help determine where the package is stopping.

  example:

  Console (config) #monitor session 1 source interface 1/g8

  Console (config) #monitor session 1 destination interface 1/g10

  session mode 1 #monitor console (config)

  right now I don't see anything in the config of the switch that stands out. If the DHCP server is configured for option 82, then you will need to include the following command on the switch.

  Example:

  Trust l2relay console #dhcp (config-if-1/g1)

  But I don't think that's our scenario here.

• The dhcp server has not seen a directory for authorization server

  I recently upgraded from Server 2003 to windows server 2008 r2. After the upgrade, the DHCP server has started to not giving IP address after a lease has expired. For DHCP to provide IP addresses, I have to restart the server. I need help on how to configure my server to allow the service to restart. Any help will be much appreciated

  This issue is beyond the scope of this site (for consumers) and to be sure, you get the best (and fastest) reply, we have to ask either on Technet (for IT Pro) or MSDN (for developers)
  *
  http://social.technet.Microsoft.com/forums/en-us/home s/fr-U.S./Accueil
  http://social.msdn.Microsoft.com/Forum

• Not the DHCP server from Microsoft for Windows 7 support dhcp/tftp bootfile name based on vendor-class-identifier.

  Original title: dhcp/tftp boot file name based on vendor-class-identifier.

  I'm trying to start a Texas Instruments AM335x Evaluation Committee using the Windows 7 USB RNDIS driver.

  AM335x is an ARM Cortex-A8 microprocessor.

  I need a DHCP/BOOTP/TFTP server which is able to select the startup file to send via TFTP, based on the identifier of the provider class.

  I have this working on the host Linux-Ubuntu 10.04 LTS. 'dhcpd' is the DHCP server.  dhcpd is able to select the image file

  based on the received BOOTP message.  For this ARM system, it serves a sequence of image files: submarine - spl.bin (secondary program loader)

  then u - boot.img (bootloader) and finally uImage (Linux kernel).  The dhcpd.conf configuration file contains the following code:

  If substring (option vendor-class-identify, 0, 10) = "AM335x ROM"

  {

  file name "u-boot - spl.bin";

  }

  elsif substring (option vendor-class-identify, 0, 17) = 'AM335x submarine SPL.

  {

  file name "u - boot.img".

  }

  on the other

  {

  file name "uImage";

  }

  Thus, the dhcpd Linux BOOTP server is able to select the correct to send from the Linux host via TFTP image file.

  based on the content of the message BOOTP ('ROM AM335x', "AM335x submarine SPL" or neither of those two.)

  Y at - it for Windows 7 Microsoft DHCP server that has this capability?

  If this isn't the case, you know a server program DHCP/BOOTP/TFTP for Windows 7 that has this capability?

  Could do you using netsh?

  Thank you for your attention,

  Michael Tadyshak

  Texas Instruments

  Hi Michael,

  Welcome to the Microsoft community where you can find all the answers related to windows!

  According to the description, looks like you want to know if the DHCP server to Windows 7 has some capabilities.

  I suggest you post this question in this forum to improve assistance:

  http://social.technet.Microsoft.com/forums/en-us/category/WindowsServer

  Hope this information helps. Respond us if you have any questions with windows and we will be happy to help.

• DHCP server for pix

  Server DHCP - pix - dhcp clients

  is it possible to have a dhcp server machine to say the inside interface, and dhcp clients are on the dmz?

  Thank you

  a feature named dhcprelay should solve your problem. I did the opposite, i.e. the server dhcp on the outside and the customer inside. However, I guess that the 'dhcprelay' command should do.

  for example

  dhcprelay Server 192.168.2.2 inside

  dhcprelay enable dmz

• DHCP server for debugging VPN clients

  We are DHCP configuration to a DHCP server for SSLVPN customers on our ASA 8.2 running, and it does not work yet.

  I set the DHCP server to the tunnel profile to use, set the scope of the network dhcp for the group - that seems to be all that is needed.

  Currently, the problem is I'm having trouble finding debug commands that provide detailed information on what is happening with DHCP queries.

  Debug only the DHCP-based controls seem to be:

  DHCPC Client DHCP information

  DHCPD dhcpd information, and
  dhcprelay DHCP Relay information

  I ' ve tried the client and relay debugs and I see is that the client is not giving an IP address valid. " 0.0.0.0/0.0.0.0

  The DHCP server is not a request from this ASA for the network defined in the dhcp-network for the group scope, and we see nothing on the DHCP server in debugging results.

  Any suggestions would be welcome.

  Lynne

  you will see a button like "marks" as answered

  You can also sort the useful answers.

  Concerning

  Ashish

• WLC 5508 internal DHCP server issues

  Hello

  I'm hoping to get your comments around the issues of dhcp, I faced with two centrally switched Wireless LAN. I have attempted to explain the installation and the problems below and would be grateful if anyone can suggest a solution for the problems I am facing:

  The configuration is the following:

  -J' have a WLC 5508, which has been configured with 4 SSID, of which 2 are the Central authentication and commissioning.
  -J' have a LWAP connected to the WLC in HREAP mode.
  -WLC is configured as a DHCP server for clients that connect to the SSID "Guest." For the rest, I'm on external dhcp server.
  -Only one scope of comments Interface is configured on the WLC.

  Problems:

  1. as far as I know, to WLC serve internal dhcp server, it is mandatory to have the proxy enabled, but the Clients connecting to 'Internet' SSID are

  Unable to get an external dhcp server ip address, if the proxy dhcp is enabled on the WLC. If I disable the proxy, everything works fine.

  2 DHCP does not release the ip addresses assigned to clients, even after that that they are connected.

  3. If a machine that has previously been connected to "Guest" SSID connects to the 'Internet' SSID, he asks the same ip address, he was charged by the WLC assigned under "Guest", it gets the tag with the Vlan configured on the management interface.

  The controller output *.

  (Cisco Controller) > show sysinfo

  Name of the manufacturer... Cisco Systems Inc..
  Product name... Cisco controller
  Version of the product... 7.0.116.0
  Bootloader Version... 1.0.1
  Retrieving Image Version field... 6.0.182.0
  Firmware version... Console USB 1.3, 1.6 Env FPGA, 1.27
  Build Type....................................... DATA + WPS, LDPE

  (Cisco Controller) > show interface summary

  Name interface Vlan Id IP port address Type Ap Mgr. Gu

  EST
  -------------------------------- ---- -------- --------------- ------- ------ --
  1 301 10.255.255.30 dynamic guest no no
  Management 1 100 172.17.1.30 static yes no

  service-port s/o s/o 192.168.0.1 static no no
  n/a n/a 10.0.0.1 no nonstatic virtual

  (Cisco Controller) > show wlan summary

  Number of wireless LANs... 4

  Profile WIFI WLAN ID name / name of the SSID status Interface
  -------  -------------------------------------  --------  --------------------
  1 active LAN management
  2 active Internet management
  3 active active management management
  4 comments comments enabled

  (Cisco Controller) > show dhcp detailed comments

  Scope: comments

  Enabled.......................................... Yes
  Lease Time....................................... 86400 (1 day)
  Pool Start....................................... 10.255.255.31
  Pool End......................................... 10.255.255.254
  Network.......................................... 10.255.255.0
  Netmask.......................................... 255.255.255.0
  Default routers... 10.255.255.1 0.0.0.0 0.0.0.0
  DNS Domain.......................................
  DNS.............................................. 8.8.8.8 8.8.4.4 0.0.0.0
  NetBIOS name servers... 0.0.0.0 0.0.0.0 0.0.0.0

  (Cisco Controller) > show detailed interface management

  ... Management interface
  MAC address... e8:b7:48:9 b: 84:20
  IP Address....................................... 172.17.1.30
  IP Netmask....................................... 255.255.255.0
  IP Gateway....................................... 172.17.1.1
  State IP NAT outside... People with disabilities
  External IP NAT... 0.0.0.0
  VLAN............................................. 100
  Quarantine-vlan... 0
  Active physical Port... 1
  The primary physical Port... 1
  Port of physical backup... Not configured
  Primary DHCP server... 172.30.50.1
  Secondary DHCP server... Not configured
  Option DHCP 82... People with disabilities
  ACL.............................................. Not configured
  AP Manager....................................... Yes
  Comments interface... NO.
  L2 multicast... Activated

  (Cisco Controller) > show detailed comments from interface

  Interface name... Comments
  MAC address... e8:b7:48:9 b: 84:24
  IP Address....................................... 10.255.255.30
  IP Netmask....................................... 255.255.255.0
  IP Gateway....................................... 10.255.255.1
  State IP NAT outside... People with disabilities
  External IP NAT... 0.0.0.0
  VLAN............................................. 301
  Quarantine-vlan... 0
  Active physical Port... 1
  The primary physical Port... 1
  Port of physical backup... Not configured
  Primary DHCP server... Not configured
  Secondary DHCP server... Not configured
  Option DHCP 82... People with disabilities
  ACL.............................................. Not configured
  AP Manager....................................... NO.
  Comments interface... NO.
  L2 multicast... Activated

  (Cisco Controller) > show dhcp leases

  IP MAC remaining rental period
  00:21: 6a: 9 c: 03:04 10.255.255.46 23 hours, 52 minutes, 42 seconds< lease="" remains="" even="" when="" the="" client="" is="">

  Example of customer connected to the Vlan right with an ip address from the incorrect interface. *************

  (Cisco Controller) > show customer detail 00:21: 6a: 9 c: 03:04
  MAC address of the client... 00:21: 6a: 9 c: 03:04
  User name of the client... N/A
  AP MAC address... a0:cf:5 b: 00:49:c0
  AP Name.......................................... mel
  Status of the client... Associates
  Customer of the NAC OOB State... Access
  Wireless LAN Id... 2<   'internet'="">
  BSSID... a0:cf:5 b: 00:49: this
  Connected to... dry 319
  Channel.......................................... 36
  IP Address....................................... 10.255.255.46< ip="" address="" assigned="" from="" the="" 'guest'="" interface="" or="" dhcp="" scope="" on="" the="">
  Association ID... 1
  Authentication algorithm... Open System
  Reason code... 1
  Status code... 0
  Session timeout... 1800
  Client CCX version... 4
  Version of E2E customer... 1
  QoS Level........................................ Silver
  Beacon priority P 802,1... disabled
  Support WMM... Activated
  Power Save....................................... OFF
  State of mobility... Local
  County of movement mobility... 0
  Complete security policy... Yes
  State Policy Manager... RUN
  Policy Manager rule created... Yes
  ACL name... no
  Status to apply ACL... Not available
  Type of strategy... N/A
  Encryption Cipher... None
  Protection management framework... NO.
  EAP Type......................................... Unknown
  Data HARVEST-H switching... Central
  H - HARVEST authentication... Central
  Management of the interface...
  VLAN............................................. 100< right="">
  Quarantine VLAN... 0
  Access VIRTUAL LAN... 100

  Well it's good news. At least you have to operate.

  Thank you

  Scott Fella

  Sent from my iPhone

• 300 SF/SG DHCP server

  Hello

  is it possible for the SF/SG300 switches serve as a DHCP server for the VLAN-s employees.

  Switch a VLAN1 as management VLAN - has assigned IP address.

  The switch has VLAN extra - VLAN200 and I would like SG300 act as a DHCP server for the clients on this VLAN.

  Is this possible at all?

  Hi Jeremy, the switch must operate in layer 3. You can enable the dhcp server by vlan.

  To be eligible to do a DHCP pool for a vlan level 3, none of the interface vlan can have an IP address issued via DHCP, so you vlan 1 and 200 must have a static ip address assigned.  The vlan 1 requires no dhcp server configured for vlan 200 to have a.

  Here is an example of configuration

  config t

  database of VLAN

  VLAN 200

  output

  interface vlan 1

  IP 192.168.100.137 255.255.255.0

  no ip address dhcp

  output

  interface vlan 200

  192.168.99.1 IP address 255.255.255.0

  output

  The dhcp server IP

  network IP dhcp pool test

  address 192.168.99.1 low high 192.168.99.254 255.255.255.0

  router by default - 192.168.99.1

  Server DNS 8.8.8.8

  -Tom
  Please mark replied messages useful

• On SG300 DHCP server configuration error

  Firmware 1.3 introduced a DHCP server.

  It seems that I can add a pool for any subnet except for the 192.168.1.1/24. I've successfully added a pool for 192.168.0.1/24, 172.16.16.1/24, etc. But when I use the same commands to add a pool 192.168.1.1/24, I get:

  SW (config) #ip dhcp pool perimeter network

  SW(config-DHCP) low #address 192.168.1.20 192.168.1.250 high 255.255.255.0

  Illegal IP address range, or subnet configuration tries to configure a pool of network on the default IP interface

  VLAN 1 IP went from 192.168.1.254 to 192.168.0.1 static default.

  Any ideas?

  Hi Frank,.

  Looks like you are experiening, bug CQ145102. There is currently no work around: Sx300 1.3.0 FW Release Notes.

  Problem: You cannot configure IP address 192.168.1.0/24 subnet as an address
  pool, other subnets are allowed. (CQ145102)
  Solution: There is no workaround.
  

  I open a case with Cisco Small Business Support, have your degenerate case and see if you can get the beta FW. The only alternative would be to review your network in order to eliminate the 192.168.1.0/24 subnet.

  Kind regards

  -David (formerly khaledammad)

• Wirless VLAN and DHCP

  I am trying to configure my Aironet 1121 G acess points with several VLANs, got the VLAN everything works great with wired devices, but wireless devices don't you DHCP.

  Basically I have the BVI on my virtual LAN management and two other vlans that cross, try to have the public WiFi on 1 vlan and the two VLAN corporate with separate wifi. Impossible to get IPs on any of them though.

  Vlnas are moved by a catlayst 3550 with addresses of assistance set up on all the VLAN interfaces.

  DHCP comes from 2 boxes of windows on another virtual local network Server 2003

  any ideas?

  Hello

  If I understand, you have plugged your access point to one of the L2 switch. I suggest you to set up your L3 (tandem switch) with pool dhcp to obtain the ip address for vlan respective first.

  To set the dhcp pool in your L3 192.168.2.1.

  create interface IVR and IP address assignment for the VLAN respective (which will act as a gateway of the vlan respective)

  Repeat the same for all the VLANS.

  Create the DHCP pool for the vlan respective and router by default with the ip address of L3.

  AccessPoint#configure terminal
  
      AccessPoint(config)#interface dot11radio 0
  
      AccessPoint(config-if)#ssid .......give the name of your ssid
  
      AccessPoint(config-if-ssid)#vlan ?
  
      AccessPoint(config-if-ssid)#authentication open
  
      AccessPoint(config-if-ssid)#end
  
      

  AccessPoint(config) interface fastethernet 0.30
  
      AccessPoint(config-subif) encapsulation dot1Q 30
  
      AccessPoint(config-subif) exit
  
      

  AccessPoint(config) interface dot11radio 0.30
  
      AccessPoint(config-subif) encapsulation dot1Q 30
  
      AccessPoint(config-subif) exit     

  Check if you have the ip address for the customers.

  In case await you get the IP address of your external dhcp server...

  try to give below command on each respective dot11Radio 0 subinterface "helper-... to give the dhcp server ip address here"

  Please let me know if it works...

  Thank you

  Vinod

• SG300-10 - DHCP server did not update DNS (bind9) records

  Hello community,

  My SG300 is configured in Mode L3 in my Homelab, and the DHCP server is enabled.

  The switch runs on the Version of the Firmware 1.4.1.3.

  I have configured by a Pool of network VLAN.

  The default router IP address (Option 3), the IP of the DNS (Option 6) and the domain name (Option15) are also configured.

  DHCP works fine without problems.

  Customers get their inclusive information of router, DNS, and domain IP Configuration name.

  As a DNS server, I configured a server bind9 under winded raspbian.

  The bind9 is configured to allow dynamic updates and DNS works as expected.

  Manually using NSUPDATE I can make dynamic updates to bind9 DHCP clients areas.

  But this isn't what I want.

  I want to make the SG300 DHCP server dynamic updates to the DNS zones.

  Would be the Option DHCP 81 (Client FQDN) useful?

  Any idea is welcome. :-)

  Looking forward to hear from you because it drives me crazy.

  Best regards

  Rainer.

  Sorry for the delay in reply Rainer.  I tried to set this up in my lab and became GUI of entry of unexpected results that did not affect the packages at all.  Checked with my contacts and they advised me that it is not supported on this switch option 81.  Given that the client sends to the server on how to update DNS records, the switch does not support this dynamic configuration.

  Referring to the data sheet for the SG300, these are supported options listed:

  DHCP (12, 66, 67, 82, 129 and 150 Options)

  Here is the link to the datasheet.

  http://www.Cisco.com/c/en/us/products/collateral/switches/small-business-smart-switches/data_sheet_c78-610061.html

  Sorry about the information, but is not a supported option.

  James

• Using Cisco AP as router and DHCP server

  I'm a newbie in the technology of Cisco wireless. I have a lot of Cisco wireless access point. One of them (1142AG-K9 Cisco) I want to set them up as a DHCP server and will forward traffic to the public ip address as it will route the traffic to 203.82.203.50 (Ip provided by ISP) and will lease ip as associated devices 192.168.10.0 pool.

  Even though I know that it is possible using a router on the AP. But it is possible using a single access point?

  If so, how?

  Help, please.

  Hi, the AP cisco are just basic layer 2 devices such as a hub or Layer 2 switch, it does not any layer 3 as a wireless router.

  The Cisco access point supports to have a VLAN or subnet configured or more VLANS or subnets and will pass all traffic to a layer 3 devic so that traffic can be routed to the need.

  The Ap can't stand to have an addrees ip configured on the bvi1 for the management.

  Also the build in the ap dhcp option is very limited and will only know the ip address to wirless clints that connect to it on an ssid linked to its management interface in this case that the bvi1 and all them VLAN othe or subnets shall not use an external dhcp server.

  Sent by Cisco Support technique iPhone App