Cisco :: 3750 - Adding Device Support / Definitions In LMS 3.2
Jun 16, 2012
I am having some issues adding updated definitions for Cisco C3750X-48PS switches.
We have ciscoworks LMS 3.2 and I need to update the definition/device support for these switches. We are conducting a network refresh and are having some issues with ciscoworks polling these devices correctly.
I have looked through the various user guides and searched on google with not much luck as to how to actually do this, the links I have found breifly go into it, but not indepth, and the cisco links I have found, of course have redirects to new pages which bear to resemblance to what is in the original document. Is there a clear guide out there on how to update the switch definiton in ciscoworks? So I can i can try and do this correctly?
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Nov 16, 2011
I have fresh installed the LMS 3.2.1 without any errors. Then I am adding device in CS, give it correct credentials. Its appears in RME automatically, but it always remain in Pending devices in RME.
I have run a job in RME to check the devices credentials and it's appearing that credentials for snmp are wrong but ssh/ telnet appears as "did not try". Although I have added the correct credentials in CS for device, but it appearing as wrong in RME.
Also when I add device in CS, it's not automatically picking it's device type, until in CS I define its device type manually.
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Oct 18, 2011
I have a machine which is connected to a PC using an ethernet cable to communicate information between the machne and computer.I am told that the machine uses the MAC address to communicate and the computer just needs an ip address in the same range as the machine and software aware of the machine's MAC address. Why I can't connect it though the network, I tried the manufacturer who couldn't explain
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Oct 20, 2011
I'm trying to connect a latop (Packard Bell - Easy Note) onto a Netgear N300 wireless router (WNR2000v3).I have already connected a separate laptop which is working fine but the Packard Bell (about 6 years old) wont connect, it will detect my wireless network but then asks for a "Network Key".I'm assuming this the same password that I set up when I configured the router but when I enter it I get the following message:The network password needs to be 40bits or 104bits depending on your network configeration. This can be entered as 5 or 13ascii characters or 10 or 16 hexadecimal characters".
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Dec 6, 2011
I have two 3750s stacked and one 3750 standalone all in one data closet. The both have the same versions. I want to combine them to make one stack. How do I force the standalone to be the master? sw 1 priority XX(Higher then the existing stack)? Both the stack and the standalone have management addresses. Would it be ok to delete the stack ip address? That way, the standalone(master's address will be the only management address)?How should I connect the standalone 3750 to the stack? At present, the 3750 stack is connected via a cascade cable going from the stack 1 port of the top switch to the stack 2 port of the bottom switch.
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Mar 23, 2012
I have a Catalyst 3750 I want to add to an existing stack (same models) through the stackwise port We use some complex QoS and other features on our network, and I'm not sure how much configuration I need to do on the new switch before adding it to the stack. Since this is going into an existing setup?
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May 29, 2012
I had 2 3750 stacked and one of them decided to die (power supply) cisco replaced it and now i want to re-add that switch to stack. I have already upgraded my replacement switch to the same IOS version.I was reading that i can do it without powering down operational 3750 so the action plan so far is:
-power down NEW member
-connect stacking cable
-power up
as you can see my switch 2 is now a master and it still holds config of all Gi ports for switch 1. If i connect my NEW switch without any config (vlan.dat and startup-config) will my existing switch 2 copy all ports config to new switch ?
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Jul 17, 2012
I am getting a version mismatch when adding the following 3750X to the 3750 stack:
WS-C3750X-48 12.2(55)SE3 C3750E-UNIVERSALK9-M
2 0 WS-C3750-24TS 12.2(25)SEA C3750-I9K91-M
Can I upgrade the 3750's to be able to correct this? Which version does this require?
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Nov 14, 2012
I have a 3750 stack as our core switch. On the core switch I have 2 VLANs. One VLAN is for WAN and one is for LAN. The WAN VLAN has our internet router, and the outside interfaces of two ASA's set up as failover. The LAN VLAN has everything else, including our MPLS router for the remote offices. Execs are cheap and want to increase internet bandwidth by purchasing a local home internet service like COX or Time Warner cable to add to our Business internet service with TelePacific which is a bonded T1 at 3 meg. Execs dont seem to care about SLA's and simply will not spend big dollars to increase the pipe. I was looking at those Mushroom Networks appliances but its too expensive for us also. Any way to add additional low cost bandwidth with out current setup? Maybe prefer to keep important internet traffic to the SLA circuit, and then put low priority traffic to the cheap non SLA cable modem if possible.
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Sep 12, 2012
We have a WS-C3750G-24PS switch running 12.2(50)SE , C3750-IPBASEK9-M in production & stand alone and we want to ask a new Cisco WS-C3750-24P running 12.2(55)SE3 , C3750-IPBASEK9-M into the stack with the 1st one.
Just want to know if it is possible and are there any problems with the IOS being different version.
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Mar 25, 2012
in our network we were using three 3750-48-s switches with stacking one of the switch due to some hardware failure power problem,
now i want to add a new switch 3750-48-s in the existing Stack two switches , the old two switches ios version is = 12.2(25r)SEC the new Catalyst 3750 io verion is = 12.2(35)SE5
how to add this switch in the existing two stack switches , with documentation
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Apr 2, 2012
The company I work for owns a remote manufacturing facility that houses a stack of five 3750 switches that function as the core switching system for the plant. DHCP services are configured on the 3750 stack.
There are currently three VLANs configured, one for data and one for voice (144 and 244 respectively) and one for UCM servers (200), with corresponding subnets of 10.44.32.0 /19, 10.44.0.0 /19 and 10.44.100.0 /24.
The current DHCP scope configurations are as follows:
ip dhcp pool Plant-44_DHCP
network 10.44.32.0 255.255.224.0
default-router 10.44.33.254
[Code].....
My question is will the addition of this scope in the manner presented cause any problems with PCs or IP phones outside the targeted recepents receiving the wrong IP information from this scope?
I plan to identify the users that should be members of this VLAN 444 and change the switchport mode access configuration on the corresponding switch ports from VLAN 144 to VLAN 444. The voice VLAN 244 will remain the same.
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Nov 23, 2011
I am looking to add a new 3750 Switcch to an existing stack shown below
Switch Ports Model SW Version SW Image
------ ----- ----- ---------- ----------
* 1 26 WS-C3750-24P 12.2(35)SE5 C3750-IPBASE-M
2 26 WS-C3750-24P 12.2(35)SE5 C3750-IPBASE-M
3 26 WS-C3750-24P 12.2(35)SE5 C3750-IPBASE-M
[code]....
I have looked on notes to add a switch to an existing stack and haven’t identified answers on how the IOS will be affected on the new switch – will it downgrade to the current stack version or will the current stack upgrade to its version. At this moment in time I would prefer if the new switch IOS downgraded to the current stack IOS version.The new switch is a 3750V2 – will this affect how it joins the stack?The new switch has the image of IPBASEK9-M – again will this affect how it joins the stack?
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Oct 16, 2012
I am attempting to add and Catalyst 3750 - 12 port Gigabit switch to an existing stack of 3750 48 port switches (non-X fabric). I am not sure how to proceed. These are the two questions/thoughts I have. Any additional perspective I should have before proceeding.
What kind of configuration should I apply to the Gig switch before adding it to the stack?I am sure I will need to assign priority to the new switch, ideally, it will act as master.
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Nov 13, 2012
I have a 3750 as a core and have a series of HP Procurve switches that are daisy chained using one port. I have two vlans on the port now (6 &9) and everything works fine, all switches communicate and end devices on the switches are also talking. There is a requirement to add a device towards the end of the chain which requires it to connect using Vlan1. Once I add Vlan1 to the port onthe 3750 I lose connectivity to all the HP switches.
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Dec 22, 2011
Though ASA5585-X S-20 and UCS C200 are not in LMS 4.0 supported device table, I'm wondering if there is any way to monitor these devices using LMS? Our data centre has a quite number of UCS C200 servers and two ASA5585-X S-20.
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Dec 6, 2011
I am unable to successfully authenticate my SG200 to either a Cisco ACS or Windows2008 RADUIS server. (C3750x on the same network authenticates fine).
Q1. Is this feature (management login authentication to a RADIUS server) supported on the SG200?
Q2. Is so is there any configuration guidance available for both the SG200 and CSACS / WindowsServer2008 NPS?
I hav not got as far as 802.1x uthentication yet, but config example of this would laso be useful.
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Jan 1, 2013
Region : Argentina
Model : TL-MR3020
Hardware Version : V1
Firmware Version :
ISP :
I wan't to buy this 3g router, buy i don't sure if my MD300 Sony Ericsson is compatible.There are some site with information? In the compatibility list it's not listed.
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Jun 20, 2011
Does backup interface is supported on ASR?
interface GigabitEthernet0/2/1
description 3750_Stack_1
backup interface GigabitEthernet0/2/2
ip address 100.50.50.242 255.255.255.248
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Sep 17, 2012
I have a 3750 running 12.2(55) and when I configure BGP I only get the standard AS number choice of 1-65535, but my provider is supplying a 4-byte AS number which is six digits and it gets rejected at the prompt on the 3750. Does that mean no support on 3750
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Aug 16, 2012
I just want to know how many ospf routes a catalyst 3740 support ?The cisco doc or datasheets doesn't answer this clearly. Because there is only a statement "unicast routes"!? Does this means all unicast routes (eigrp, ospf....static)If so, there is a statement for about 10k routes ?
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Jun 20, 2012
I have some 2960 switches with Lan Lite ios in my infrastructure.And I try to configure them to support "trust device cisco-phone" and "switchport priority extend cos 0" on ports with cisco phones.But LAN Lite image does not support "mls qos trust device cisco-phone".can I use any workaround to trust cos of cisco phone and to remark PC traffic with cos 0?
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Feb 20, 2012
Am setting up Cisco 3750 for the first time via CLI
1. what is the procedure for configuring passwords on the device.
2. how can i stack 3 switches in a site .
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May 2, 2012
I just found out that one of our 10 3750's has been assigned with an IP Address that is in conflict with a PC that has been in production long before this 3750 was deployed in our environment. Good thing it is servicing devices on a separate vlan. The conflict IP Address is assigned to the default vlan of the switch so we can connect to it from the core.If I change the IP Address of the switch, will it reboot and momentarily disconnect the devices connected to it?
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Nov 24, 2012
I've had a read through the docs for the 3750 series switches, but nothing that definately says that jumbo frame routing will work on a SVI.One part specifically I'd like clarification on is:The default maximum transmission unit (MTU) size for frames received and sent on all interfaces on the switch or switch stack is 1500 bytes. You can change the MTU size to support switched jumbo frames on all Gigabit Ethernet and 10-Gigabit Ethernet interfaces and to support routed frames on all routed ports. It says supported routed frames on all routed ports, but this in the past has meant physical ports, and not Virtual ones.
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Feb 12, 2004
i want to know if the new Catalyst 3750 Support Private Vlan ?
or any other small Switches
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Aug 12, 2012
Now, I use Catalyst WS-C3750G-12S-S as BGP router. But it is switch do not support in higher 65535 (32 bit asn). In future, I plan to use two or three ISP (each will be connected through 1Gb uplink). I need a router, who will be support 32 bit AS number and work with two or three full view BGP tables. I look at Cisco 3900 series, and ASR1002F.
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May 3, 2012
Have a potential customer that is looking at the IE2000 series switch and at the Rockwell Allen Bradley switch
Question is does it support Device Level Ring (DLR) capability. I do not see this specifically mentioned in the Data Sheets but it talks about a
Resilient Ethernet Protocol (REP) and I am wondering if this is the same thing?
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May 6, 2012
I got the error in object when I try to add a new HSRP group in new vlan.All the HSRP group has the same HSRP group the 2.another way to provide clients's default gateway redundancy for each Vlan intead to use the HSRP?
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Nov 10, 2012
The data sheet for the 2232PP says you can use a SFP-GE-T, but there is no mention of 100Mbps. I want to recommend to a customer that they use 2232PP for an upcoming core upgrade, but it may need to support some existing 100Mbps devices which are currently connected to 3750s.
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Nov 25, 2012
before I open a TAC case: How does Cisco Prime NCS handle the device licenses for stack of 3750 switches? Just one device license for the stack or a license for every physical switch in the stack? I can't find a answer on the Cisco website, but maybe one of you knows it from a deployment you have done..
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Feb 29, 2012
I faced some problems when updating the device packages on the LMS 3.2 server. Therefore, I really need device packages of switch 3750, router 2900 and router 3900 series. I had tried update online but could't view any devices.
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Jan 26, 2012
We are using Catalyst 3750 switch stacks with software 12.2(44)SE. We have two stacks, only one with IP routing enabled.When we try to run an Acquisition Action on this, from Admin> Collection Settings> User Tracking, the system replies with an error "Failed to start acquisition: Device unreachable. Please enter a valid device"device Center reports "success" on all collector status.Acquisition starts successfully when we try with the other stack.With LMS 4.1 demo, users acquisition runs successfully.
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