Cisco WAN :: 2960G - SFPs - Unable To Connect 2 Switches

Apr 10, 2013

Trying to connect 2 switches together (both 2960G 8 ports). I have an SFP in each (GLC-LH-SM). They are connecting over SingleMode Fibre using the correct cabling. The fibre cores have been tested and are all ok also.
 
I can't get no Layer 1 connectivitiy at all. Just dead. I have tried 4 different GBICS, swapped cabled etc.. I have forced the media type to use SFP. No link light....
 
I thought it would just be a case of plugging in the gbics cables and off I go! I read about forcing the speed and duplex on the port but because the port if SFP, the speed and duplex settings are not available. This seems to be hard coded.

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Cisco Switches :: 2960g Better Way To Connect All These Switches

Oct 23, 2011

I have 3 2960g switches that each have about 40 devices (pc's, printers, etc..) attached to them.  Each of these 2960 switches has one port connected to a port on a  "core" switch, which is a 3950g.  The 3950 has 3 switches and all of our servers (12) conected to it's ports.  The network seems to be running alright, however most, if not all, of the port lights on ALL switches blink wildly(at least I consider it "wildly").  Am I doing this wrong?  Is there a better way to connect all these switches?Also, this configuration is for our first floor.  The second floor has the exact same configuration, and the two 3950's (one upstairs, one downstairs) arec connected via fiber.

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Cisco Switching/Routing :: HP SFPs In 2k Nexus Switches

Nov 24, 2011

I've been asked whether we can use HP-branded 10G SFP+s (P/N 455885-001) in Nexus 2Ks to provide 10G connections to HP C-Class enclosures.  We've used HP-branded twinax, and Cisco-branded SFP+s and twinax, but we have a raft of HP 10G SFP+s sat in a store room gathering dust and now we want to save some money by not having to buy the Cisco parts to match.

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Cisco Switching/Routing :: WS-C3560-48PS SFPs Compatible With 2960-S Switches

Jan 3, 2013

I need to replace an older 3560 with a new 2960-S and am wondering if the SX SFPs I already have will be compatible with the 2960-S. [code] I cannot find any way to get the part numbers of the SFPs.

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Cisco Switching/Routing :: 2960G Stack To Another 2960G

Oct 23, 2011

I have used all the ports on my 24 port 2960G and need to extend it with another 2960G. These switches do not have trunk ports so what is the best way to stack them and have all 5 vlans on both switches.Can I just use a port Channel trunk  etherchannel ?

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Cisco LAN :: TCP Window Scaling Supported On 3750G And 2960G Switches?

Feb 7, 2013

We have the 3750G with the IOS version 12.2(35)SE5. Does this IOS version and switch support the TCP Window Scaling detailed in this doc?  The doc says Release 12.2(8)T. And I don't see the 3750G or the 2960G platforms listed in the doc.

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Cisco Switching/Routing :: Configuring COS On 2960G Switches With Non-Cisco Phones

Mar 1, 2012

I have 7 POE switches that have ESI IP phones attached.  I have two VLANS, 1 and 2.  VLAN 2 is used for voice and is defined in each switch.The ESI IP phones connect to my POE switch ports and the pc attaches through the ESI IP phone.
 
I have had voice quality issue between floors in my building.  Talking to others on my floor via the IP phone, there are no voice quality issues. [code]

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Cisco Switches :: Unable To Connect To SG500x

May 20, 2013

We have problems with MGBSX1 when connect to SG500X switches , need configuration adittional ?? or only plug and play ?

The SFP-10G-LRM= is compatible for connect between WS-C2960S-24TD-L with SG500X ?? 

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Routers / Switches :: Unable To Connect To 192.168.0.1

Sep 16, 2012

Can conect to the internet but unable to connect to 192.168.0.1

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Cisco Switches :: Unable To Connect To Webview On SRW2024

Oct 6, 2011

I am unable to connect to webview on our SRW2024 switch. I use a macpro G5 running 10.6.8. When i try to connect to it through Safari, Chrome, or Firefox using 192.168.1.254, I receive a message that a connection cannot be established. 192.168.1.254 is the ip mentioned in the manual. I used an ip scanner and it showed the actual ip is  192.168.0.1. But I cannot connect to webview through this ip either. We got this switch a year ago and did not change any settings, we just connected it and it worked fine. But now we want to change some settings on the switch but cannot connect.

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Routers / Switches :: Unable To Connect IP Camera With It?

Jul 24, 2011

I am unable to connect vivotek ip7137 camera with d link or netgear router I tried all my best made the connection with eithrnet cable , reset both machine set static ip of pc but nothing is happening?

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Routers / Switches :: Unable To Connect To Router From PC?

Jan 1, 2012

I have an Iball Baton Router. I am not able to connect to it from my PC. However, I am able to connect to the router from my Laptop.I have tried isconnecting and renewing the ip. Can see that ip (192.168.1.102) is issued to my PC and can ping to the same. But, do not get any reply when I ping to the gateway (192.168.1.1 - ip for the router). My OS is Windows 7 64 bit.Let me know if you need any more information

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Cisco Switches :: Unable To Connect To / From Admin Module On SRW2024P

Oct 24, 2011

This is an odd one, possibly a broken unit but I have a SRW2024P which has been running for a couple of years all OK but some time ago I noticed I couldn't access the web interface. I decided to leave it until I actually needed to change something, which is now!
 
After much messing around modifying a null-modem cable to work (i.e. connected pins 2,3 and 5) I managed to connect to the console through HyperTerm. Did a full factory re-set and XMoDem'd the 1.2.9 software on again but still no luck.
 
I tried accessing the web console and telnet with the default IP and tried setting my own IP but can't even ping them.
 
There are a few other peculiarities: The units MAC address in the console is shown as 00-00-00-00-00-00The units hardware version is blank in the consoleBoth PING and TRACERT tests fail to any address except the units ownTFTP uploads fail to connect (the TFTP server doesn't even log an access attempt)All other clients connected to the switch are working fine and the port statuses in the console show working connections Basically; it is as if the web/config/admin 'module' is disconnected from the actual switch in some way?

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Unable To Connect Two D-link 24 Port Switches Through Cat 6 Cable?

Aug 9, 2012

I am trying to connect two D-link 24 port switches thru cat 6 cable, distance is less than 50 meters, but its not working but if i connecting it with a Laptop i am able to connect to the network. But if i connect the switch in between it fails i tried changing the switch and cable but no use anyone have a clue how it fails?

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Routers / Switches :: Lost Wireless Connection - Unable To Connect

Jun 9, 2011

I have a wireless router that was named and all the wireless equipment (laptop, ipod, phones) was connecting easily with no problems. Everything is saying "unable to connect". I have no clue what she did but she said her laptop asked her for the 8 number code from the router and she entered it.

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Routers / Switches :: Acer Laptop Unable To Connect Wirelessly To DSL?

Sep 29, 2011

acer laptop unable connect wireless to DSL-2730. connects OK through ethernet cable

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Routers / Switches :: Connect New Router - Unable To Give Page To Enter Password?

Jan 1, 2012

new instal will not give me page to enter password

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Cisco Wireless :: Does 8500 Support And SFPs

Feb 20, 2013

Does the 8500 support any SMOF SFPs? data sheet only talks about a MM based SFP.

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Cisco Wireless :: Does 8500 Support Smof Sfps

Jan 24, 2013

Does the 8500 support any SMOF SFPs? data sheet only talks about a MM based SFP.

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Cisco :: 3750 How To Monitor CWDM SFPs Metrics Using SNMP

Apr 25, 2010

We are currently monitoring approximately 50 locations each having one or more cisco devices, Catalyst 3750 and 3560.Locations are connected via CWDM.We would like to monitor interface errors, signal loss and power on CWDM SFP transceivers on Catalyst 3560 and Catalyst 3750 switches. We tried to get these values (as shown using „sh interface transceiver“ command) using SNMP but we didn't get any SNMP result. What MIB or other functions/ modules/ features need to be used/activated on switch?Do we need any additional piece of hardware?

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Cisco Switching/Routing :: Catalyst 4506 Choosing Appropriate SFPs

Mar 25, 2013

My inherited network has a Cisco Catalyst 4506 with a WS-X4124FX–MT fiber card that connects to twelve Cisco 2950 switches over 62.5 micron multimode fiber at 100 Mbps. I do not know my run lengths (or even where the conduits run), but the furthest switches are well over a thousand feet from the server room. Any appropriate test equipment to provide this information soon.

We are looking at upgrading the main switch to a Catalyst WS-C4507+E with two WS-X4712-SFP+E cards and the closets to Cisco 2960S-48TD-L switches. Assuming this is a reasonable move, my question is about choosing the appropriate SFP’s for our current and future needs.

I am aware that 62.5 micron multimode fiber is the least favorable for extended lengths, but I will not be in a position to replace it for at least a year. If I purchase 10 Gbps modules, like the SFP-10G-SR or SFP-10G-LRM, can they “throttle down”, either automatically or by setting a parameter, to communicate at slower speeds over distances that exceed their 10 Gbps maximum link lengths on multimode fiber?

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Cisco Switching/Routing :: Are LC SFPs Interchangeable With 3560 V2 POE Switch

Feb 7, 2012

Are the LC SFPs interchangeable with the 3560 V2 POE switchThe P/N number we have on the LC SFPs are 30-1301-04.Will this P/N number suit bothe the 2960-S and 3560 switches

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Cisco Switching/Routing :: 3750X-24 - SFPs In SFP+ Position Not Working

Mar 22, 2012

We have bought four Cisco 3750X-24 Switches with IP Base license for 2 offices (2 switches at each office). The offices are connected with 1 fiber pair and 2 CWDM units. We have 6 CWDM SFP (2x 1470nm, 2x 1490nm and 2x 1510nm). All the switches are up and running with 1 problem: the SFP's in the SFP+ position didn't work.

Only the gigabit port 1/1/1 and 1/1/3 are connected. Gigabit 1/1/2 stay disconnected. I already did some test with other SFP's and labels. Do I need to disable the ten gig ports in the configuration?

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Cisco Switching/Routing :: Does CVR-X2-SFP10G Converter Support 1000Base-T SFPs

Jun 14, 2012

[URL]
 
To do that I would like to be able to sniff the traffic traversing our 7k. However, as the 7k doesn't support remote span we have to span locally. This means that I have to connect a pc to the Nexus and sent the span output to that port. However, our 7K is only equipped with N7K-M108X2-12L modules, which contains X2 10G ports. I found the CVR-X2-SFP10G X2 to SFP+ convertor module, but I wonder whether this supports a 1G copper SFP. If it doesn't it would be wasteful to buy one. On the page concerning the module I only found 10G fiber sfp's which are supported.

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Cisco Switching/Routing :: Small Business SG-200 - How To Obtain SFPs Information

May 1, 2013

I need to extract the serial numbers of SFPs which are plugged in a SG-200-18.For information, SG-200 doesn't have a CLI ... only a Web GUI.I just find this information : [URL]

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Apr 9, 2013

I'm the administrator of a system composed of seven SGE2010P switches in stack configuration.I developed a script to update the ACL at regular time intervals.

ACLs work well unless one or more switches in the stack is turned off. In this case it would seem that once, which switches off will restart, they do not synchronize ACLs assigned to interfaces.

Currently the only solution I've found to restore functionality, it is cold restart of the entire stack.I was wondering if there is a command to propagate the acl switches that I can recall in the event of a restart of any of these.

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Cisco Switches :: Connect 2 SGE200 Series Switches Over Gbit / Fiber

Mar 27, 2013

I have a stack of 6 switches and I want to add another over the gbit connector using fiber. I already connected but I can acces the network from the new switch. I don't have any issues on my Stack all resources are available Do I need to do some special setup or connection to enable this? Can be stacked like the others? I already usen the 2 stacking port can i Add another switch?

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2960G - ID And Endpoint From Cisco Switch

Aug 13, 2012

We have a switch in our IT office, Cisco 2960G. It plugs into the wall and goes to the server room and connects somewhere. This weekend we redid almost the whole server room and now this switch can connect to the rest of the network. The uplink has a link light but can get anything.

I have rebooted the switch, used scanning on our other switches to try and find the MAC of the switch but for the life of me I cant see it. Is there a command I can run from the command line of the switch to see where its pointing?

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Cisco :: Configure SNMPv3 On 2960G (12.2.55)?

Sep 30, 2012

I am trying to configure SNMPv3 on a 2960G (12.2.(55)) 
 
snmp-server view v3view interfaces included
snmp-server view v3view internet included
snmp-server view v3view chassis included
snmp-server view v3view system included
snmp-server group v3group v3 priv read v3viewwrite v3view notify v3view
snmp-s user v3user v3group v3 auth md5 v3secret priv aes 128 v3secret
 
Interestingly enough when I 'sh conf | i snmp' the user command isnt there, however it shows it under 'sh snmp user'.  Using Solarwinds Eng Toolset to attempt to just pull interfaces and it keeps kicking back with creds failing.

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Cisco :: 2960G With Dell Blade Enclosure?

Oct 9, 2012

I'm having a problem at the moment getting a Cisco switch (2960G) to work properly with a Dell blade enclosure. The config that we have on the switchports is;description Bladeswitchport access vlan 120 speed 100duplex fullndhowever, with this configured, it's throwing up a lot of CRC errors. I've taken the last two lines out, and there are less CRC errors but the connection starts running really slow.Are there any further steps that I would need to take to fully troubleshoot the issue, or is there a simple config change that could be made to resolve it?

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Cisco :: 2960G-24TC How To Find A Corresponding MIB Tree

Oct 2, 2011

I have this OID "1.3.6.1.4.1.9.1.696", which is a "Cisco Catalyst 2960G-24TC" device. Where can I find the corresponding MIB tree with availabe methods?

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Apr 23, 2011

how to connect two subnets with two switches and one router using router sim software?

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Cisco :: Configure 2960g Switch Static Routing?

Jan 26, 2013

I have routing enabled, can build a static route, and go back and see it (sh ip route), but I don't know how to get the route right. I have one host (Host A) on Vlan 20 w/192.168.20.2/24 dg 192.168.20.11 (the vlan ip) and (Host B) on Vlan 30 w/192.168.30.2/24 dg 192.168.30.11 (the vlan ip). I can't ping them from any host man. I can ping the Vlans but not the host.

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