Cisco Switches :: Error Configuring DHCP Server On SG300?

Apr 5, 2013

Firmware 1.3 introduced a DHCP server.
 
It seems that I can add a pool for any subnet except the 192.168.1.1/24. I have 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 192.168.1.1/24 pool, I get:
 
sw(config)#ip dhcp pool network Device sw(config-dhcp)#address low 192.168.1.20 high 192.168.1.250 255.255.255.0 Illegal IP addresses range or subnet configuration Trying to configure a network pool on default IP interface
 
VLAN 1 IP was changed from default 192.168.1.254 to a static of 192.168.0.1.

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Cisco Switches :: SG300-28P DHCP Server With New Firmware?

Jun 15, 2012

we are looking to use the new firmware's DHCP server feature to setup different DHCP scopes for 5 different VLANs configured on the switch. I see where to turn this on and setup the scope however I can't clearly see where I can assign the specified scope to each VLAN on the switch.

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Cisco Switches :: SG300-28P DHCP Server With New Firmware

Apr 9, 2013

we are looking to use the new firmware's DHCP server feature to setup different DHCP scopes for 5 different VLANs configued on the switch.  I see where to turn this on and setup the scope however I can't clearly see where I can assign the specified scope to each VLAN on the switch. 

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Cisco Switches :: SG300-28 - Configuration As DHCP Server

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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Cisco Switches :: Getting Fatal Error On SG300?

Oct 8, 2012

We have several SG300 Series Switches (8, 20, 28 and 52-Port Versions) running. All Switches do reboot from time to time: Some after a week or so, others several times a day and then run again happily. In the log I see:
 
%SYSLOG-F-OSFATAL:
FATAL ERROR: tExcTask: ABORT DATA exception 
***** FATAL ERROR ***** 
SW Version: 1.2.7.76
Version Date: 19-Jul-2012 Version 
Time: 17:54:43

[code]....
 
This happens with FW Version 1.2.7.76 as well as under Version 1.1.1.8.I do not know if this is related to FUGU, but it usually happens, when I try to open a connection with FUGU to some other host in the network?

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Cisco Switches :: DHCP Over LAG Between SG200 And SG300

Apr 17, 2013

I have an SG300-10 and an SG200-26. I also have an OpenWRT flashed router that can tag VLANs.My problem right now is that my default VLAN is 1, my router is doing DHCP in VLAN 1, and I want all my network equipment to be on VLAN 1, but my SG200, when LAGed to the SG300, will not get an IP.My SG300 is pulling an IP just fine from my router DHCP pool. When I connect the SG200 directly using either 1UP port settings or 1TP port settings, I get an IP just fine. When I LAG my connection (ports 1-3 on both) I get no DHCP information sent through the LAG to either the SG200, nor to any client devices that are set for DHCP.

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Cisco Switches :: SG300 28P Crashed Two Times / Fatal Error

Jul 2, 2012

my switch crashed two times. below details about it.
 
03-Jul-2012 17:29:44 :%SYSLOG-F-OSFATAL:
FATAL ERROR: GOAH: ABORT DATA exception
***** FATAL ERROR *****
SW Version  :  1.2.5.70Version Date:  11-Jun-2012Version Time:  17:35:31
Instruction            0x150348Exception vector       0x10Program state register 0x600000130x0015014c
***** END OF FATAL ERROR *****
 
02-Jul-2012 16:11:39 :%SYSLOG-F-OSFATAL:
FATAL ERROR: GOAH: ABORT DATA exception
***** FATAL ERROR *****
SW Version  :  1.2.5.70Version Date:  11-Jun-2012Version Time:  17:35:31
Instruction            0x150348Exception vector       0x10Program state register 0x600000130x0015014c
***** END OF FATAL ERROR *****

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Cisco Switches :: SG300 DHCP Static Reservations Are Not Working

May 19, 2013

I'm having troubles with this firmware in a SG300-28 switch. Actually the DHCP server, a new feature in this firmware release, doesn't work correctly. DHCP static reservations are not working: CLient ID and MAC address are not recognized correctly, and the DHCP server assigns the first free IP in the pool, rather than the reserved one.If Cisco engineers read this, plese correct the issue.

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Cisco Switches :: Getting DHCP Relay To Function Properly On SG300-20 Switch

Dec 5, 2012

I am having some issues with getting DHCP Relay to fuction properly over our SG300-20 Switch.Out current layout is as follows. Hanging off the SG300-20 are a pair of Clustered Checkpoint Gateways with VLAN'ed interfaces in Both of our 2 VLANs, a 3COM 4200G In VLAN1 which has the DHCP server (And all the other Servers) connected to it, and a Pair of HP Procurve 2520's Stacked in VLAN 2 to provide PoE for our Phones/connectivity for our PCs.The problem is I cannot get the DHCP Relay to fuction from VLAN 1 to VLAN 2. If I assign an address in VLAN 2 manually to a device connected to the Procurves, everything works fine. I am able to reach both VLAN 1 and VLAN 2, but DHCP aquisition fails even if the device is connected directly to a port assigned to VLAN 2 on the SG300. The SG300 is running at Layer 3 currently also.
 
Here is a copy of the running config:
--------------------------------------------------------------------------------------------------------------
switch4db24f#show running-config
vlan database
vlan 2
exit
interface range  gi8,gi16
switchport default-vlan tagged

[code]....

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Cisco Switching/Routing :: Configuring DHCP Server On WS-C2960S-24PS-L

Jun 5, 2013

I receive a question from a future customer about this future if its supported on " WS-C2960S-24PS-L":configuring 2 dhcp server on this swith ( 1 dhcp for voice vlan , and 1 for Data Vlan).I did some search , but i didnt find the answer .i have to advice a customer before ordering the switch.

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DHCP Server Service - Error 1075 - Not Starting

Oct 8, 2011

I had a virus. I think I got rid of it. Avast scans and boot time scans and Super Anti Spyware and TDSS killer report all clear. However, the network shield of Avast and the Internet don't work. Points to note: 1. In services, the DHCP and DNS cannot be started. I get the error 1075: service has been marked for deletion or one of it's dependancies are missing. (close to that)

I've checked the dependancies of both, and reinstated the ADF module in device manager after selecting the 'View Hidden' option.

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Cisco Switches :: SG300-28 GUI Different Than Online SG300-48 Simulator

Aug 29, 2011

These are our first switches and seems like GUI is lot different than the online. Out intervlan routing is o not working. I am absolutely sure that I setup the switch in L3 mode since it allows me to create mutiple interfaces. I am hoping that this GUI issue is related to interVLAN routing.
 
Below is the blog I started for InterVlan issue [URL]
 
This is the link for online simulator and what I see in its IP tab. I know this switch is not SG300. [URL]
 
This is what I see on our switch.
 
Our switch version
switchd64684#show version                                                                                                                                              
SW version    1.1.0.73 ( date  19-Jun-2011 time  18:10:49 )
Boot version    1.0.0.4 ( date  08-Apr-2010 time  16:37:57 )
HW version    V01

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Cisco Switches :: SG300-28P And SG300-52 Web Managing - Fans

May 26, 2011

1) I have a Cisco SG300-28P. I plan to add a SG300-52. Would it be possible to manage the new switch through the SG300-28P web browser ?

2) There are 2 fans in the POE model SG300-28P. How many fans are they in the non POE switch SG300-52 ?

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Cisco Switches :: SF 300 Works As DHCP Server?

Dec 26, 2012

know any plan from Cisco to make 300 series switch to work as a DHCP server?

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Cisco Switches :: SG300-28 Uplink To Another SG300-28?

Feb 8, 2012

Can I connect a single Cat5e cable between two SG300-28 and link them?  If so what must I configure?

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Cisco Switches :: Difference Between SG300-28P And SG300-52

Jul 25, 2012

I have SG300-28P that I am using as layer-3 switch. Recently I ran in to SG300-52 switch and even though loading same firmware doesn't give me option to do layer-3 switching. For SG-300 I see options in GUI to create vlan interfaces under IP information section, while SG300-52 has IP information option only under the management section.let me know if these are 2 different hardware types and L3 is not possible on SG300-52. If its possible to enable L3 switching on SG300-52?

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Cisco Switches :: Configure DHCP Server Options For SMB 300?

Nov 28, 2011

I am looking for a how to configure a DHCP server for a Cisco SMB 300 series switch to obtain an automatic configuration. Currently i am using a Cisco 1800 router as my DHCP server and the DHCP pool serving the 300 series switch is configured as follows.
 
ip dhcp pool Cisco_SMB_300
network 192.168.0.0 255.255.255.0
default-router 192.168.0.1

[Code]......
 
Looking at pcaps, I don't even see a tftp request going the server after the switch obtains an IP via DHCP. The config file format is exactly as obtained from the download backup section (pretty sure its not the issue since i don't see a download attempt). Also, the SMB switch is running the latest firmware image (1.1.1.8)
 
Looking though the admin guide i did not see specifics on how the DHCP server was to be configure for the auto configuration feature to work.

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Cisco Switches :: Configure SF300 48port Switch As DHCP Server

Feb 8, 2013

How to configure SF300 48port switch as DHCP Server or not.
 
My Configuration as below
 
I have 8 vlan configure in SF300  (SVI with ip address) isit possible to configure dhcp server and how i can apply access-list to restrict with other vlans.

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Cisco Switches :: Configure SF300 48 Port Switch As DHCP Server?

Aug 23, 2011

How to configure SF300 48port switch as DHCP Server or not.
 
My Configuration as below
 
I have 8 vlan configure in SF300  (SVI with ip address)isit possible to configure dhcp server and how i can apply access-list to restrict with other vlans.

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Cisco Switches :: SG500 DHCP Server Does Not Assign Predefined Static IP Addresses

May 17, 2013

I upgraded my SG500 switch firmware to 1.3.0.59, since there is a new functionality DHCP server v.4 well I must say I came accross the issue I cannot solve. DHCP server assign dynamic address - no hassles. troubles start with static IP hosts.I defined a couple of hosts with static address within the correct subnet. I tried with hardware address and client identifiers. no luck. my switch does not assign the IP address I assigned to the suitable mac address. to define it I use both CLI & Web.

ip dhcp pool host HP-Elliteaddress 10.10.11.7 255.255.255.0 client-identifier 01:d8:d3:85:cf:09:72client-name HP-Ellitedefault-router 10.10.11.1exit
ip dhcp pool host VAIO-Zaddress 10.10.14.108 255.255.255.0 hardware-address 54:53:ed:1c:a1:46
default-router 10.10.14.1exit

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Cisco Switches :: Replacing 3COM 4500 Switches With SG300-52?

Nov 21, 2011

I'm replacing 2 3COM 4500 Swithes with the SG300-52 Cisco switch. We have 3 VLANs, 10, 20, 100. The switch is set for Layer 3 and I have setup DHCP relay. what settings i should set on the Cisco for the following setups:
 
3COM Setup
#
interface GigabitEthernet1/0/1

[Code].....

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Cisco Switches :: SG300 Switches Have Poor Performance In Layer 3?

Jan 1, 2013

We have several of the SG300 Serices switches. We use them to route VLAN traffic to Remote Offices, Internet Connections, and WiFi Access Points.In one remote office we have a SG300-10 setup to route the HQ Network and the remote Office Subnet. The SG300 is Connected to HQ via Fiber and has multiple Tagged VLANs on it. If I do speed tests over the Fiber Link on the Incoming Tagged Netwotk I get Decent performance, 80Mbs. If I switch to a networtk that is not priginating from HQ, and have the SG300-10 route packet, I get dismal performance. 15-20Mbs.
 
I Fireded up a New SG300-28P FW v1.2.7.76. Added a the HQ VLAN 101 and new VLAN 1025 . Mapped some Tagged and untagged ports for each.  Switch was connected to HQ Network as untagged VLAN 101.  I put a laptop on an Untagged VLAN 101 port. Ran some tests, cam back with 750-850Mbs. Great.  Put the same laptop on a Tagged 101 Port, Configured the NIC for Tagged VLAN 101, Same test, same Speeds, 750-850Mbs.I then  Configured laptop for Tagged VLAN 1025. Connected to tagged VLAN 1025 port. Ran speed tests, resuts were 15-20Mbs!
 
I then  Configured laptop for Untagged VLAN 1025. Connected to unagged VLAN 1025 port. Ran speed tests, resuts were 15-20Mbs!It was only the Laptop and the Connection to the HQ net on the SG300-28P. Why is the performance of this unit soooooo poor when it needs to route?Other Switches have FW v1.0.0.27 or FW v1.1.2.0. They have Similar speed issues. All Configured for Layer 3.

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Cisco Switches :: SG300 Switches Can Be Used With Microsoft NLB In Multicast Mode

Dec 18, 2011

does the SG300 switches can be used with Microsoft NLB in Multicast mode?I know on traditional Catalyst switches you can statically "map" IP's to mac's and then to multiple ports but this doesn't seem to work correctly on the SG switches - it gives an error about the mac not being not Unicast?

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Cisco Switches :: VLAN Management Via SNMP On SG300-10 Switches

Aug 7, 2011

Any snmpset commands to add, modify and delete vlan table entries on SG300-10 switches? I checked url... however this information is apparently only valid for catalysts. The latest firmware is installed and the provided MIB files are used.

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Cisco Switches :: Multiple VLANS And SG300-28P Switches Setup?

Aug 20, 2012

I'm going to have several SG300-28P switches to setup.  I'll need to create multiple vlans for data, voice, and wireless traffic.  I have the following questions in setting up this configuration:
 
VLAN 1 Management
VLAN 100 Data
VLAN 200 Wireless
VLAN 300 Voice 
 
1) For managing the switches via IP, will LAN1 be the default management network?  Should I create a seperate VLAN for managing the switches?
 
2) For uplinking the switches together, I plan to trunk a port to connect the switches together.  What's the configuration on the trunk port to forward all vlans from one switch to another?
 
3) On some ports, I want to configure a trunk for two vlans (Data and Voice) where the phone has a pass through for PC.  The phone supports tagging for the PC and the VoIP traffic.  For example on port 10, would VLAN 100 and 300 be set to tagged?

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Cisco Switches :: SG300-52 Multiple Lags Between Switches?

Jan 19, 2012

I'm having alot of trouble trying to connect more that one LAG between two SG300-52 switches.Basically i have configured both switches with the same vlans. For 2 of the vlans i would like to connect them together between the two switches using LAG. Switch1 has Vlan 5 (ports 1-12) & Vlan 10 (Ports 25-36) with LAG configured on ports 1-2 and ports 25-26. I have setup the second switch identical to the first. But when i connect the LAG's there is no connectivty. If i disconnect one LAG the other starts working.Can you only have i interconnect LAG between switches?

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Cisco Switches :: How To Configure Two Links Between Switches SG300

Apr 22, 2012

I have two SG300 serie switches and two Gigabit connection between them. How do I configured these two links to work toghether like a one 2 Gigabit channel?

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Cisco Wireless :: DHCP Scope And VLAN Switch SG300?

Feb 16, 2012

I did the config below but unable to obtain the ip from the subnet scope 10.10.9.0. The switch is in the layer 3 mode.
 
no spanning-tree
vlan database
vlan 2
exit
voice vlan oui-table add 0001e3 Siemens_AG_phone________
voice vlan oui-table add 00036b Cisco_phone_____________
voice vlan oui-table add 00096e Avaya___________________

[code]....

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Cisco WAN :: Configuring 851 With PPPoE And DHCP

Aug 29, 2011

Trying to find a way to configure my 851 for home use. My internet provider use PPPoE with PAP and althrough I found many configuration options they all are incomplete...or i cant find the logic behind those commands. First of all I need to say what I need:

1. Configurate my int Fa4 (WAN) with pppoe so when i insert my ISP cable in it it will negotiate and take IP.

2. Configurate DHCP on LAN (Fa0-3) so that when I insert my PC it will take a fake IP.
 
Here is the place where i found some conf examples: [URL] and I have some questions:

1. MTU - Should I use the 1492 value or the "pppoe-client ppp-max-payload 1500"?

2. ip route 10.10.25.2 255.255.255.255 dialer 0 - How can i set an IP route when my connexion informations only come after i connect? (Because is PPPoE)?

3. I cant configurate the DHCP because I dont know the default route, I dont know the DNS, and i dont know the default gateway because I dont know them due to PPPoE !

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Cisco Switches :: Configuring 2960 And 300 ES Switches?

Jul 26, 2012

I have a 2960S switch and nine (9) 300 switches. I have three VLANs configured on them, data, voice and management. Each 300 has unique data and ovice VLANs corresponding to their locations. All of the 300 switches connect to the 2960 in a hub and spoke network topology via 802.1q trunks. I can access devices between switches on the data and voice VLANs fine from any other switch. My issue is that from any 300 switch I can access the 2960 management VLAN interface without a problem, but I can not access the 300 switch management VLAN that I am connected to from the CLI. I do not use the GUI at all for management.

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Cisco :: Error %Bad OID When Configuring SNMP On 1941

Jan 28, 2013

I get the following error:
 
Router#config t
Router(config)#snmp-server view rttmon ciscoRttMonMIB included
%Bad OID
 
The same command is accepted on a Cisco 2900 router
  
Router#show version
Cisco IOS Software, C1900 Software (C1900-UNIVERSALK9-M), Version 15.1(4)M4, RELEASE SOFTWARE (fc1)

[Code]......

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Cisco VPN :: Error While Configuring Crypto PKI In 2911

Feb 27, 2012

I am trying to configure Crypto PKI in ciscio 2911, Once i configured the root certificate for the router , i can see the validity date wrongly but the same certificate is fine in the other devices . [code]e when i am trying to configure the local certificate.

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Servers :: Error Code - 500 Internal Server Error

Apr 20, 2011

i'm currently studying at a college which has a website with a student intranet that is available to log in from any computer. So far it has been working well and I can log in on my home laptop and upload documents and look at presentations etc. Today for no reason when I try and log in I get the message Error Code 500: Internal Server Error and the webpage does no appear.I have had no problems previously and this has only happened today and yesterday, I went down to the college and accessed the website fine from the computers in the library but still no joy from my home computer.

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