Cisco Switching/Routing :: 4900M Connecting 10GB Interface To 1GB

May 12, 2012

I have 4900M with X2-10G-LX4I need to have a link from it to 3560X GLC-SX-MM using MM Fiber Patch Cord.any configuration required in 4900M to change the speed of X2-10GB-LX4 to 1GB ?

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Cisco Switching/Routing :: Interface Numbering Scheme Available For 4900M?

Jan 17, 2010

I was wondering if a interface numbering scheme is available for the 4900M.  Configuration includes 1 x 8Port 10G and 1 x 20Port 1G modules. would like to understand How the slots are addressedInterface AddressingTwinGig interface addressing 

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Cisco Switching/Routing :: 4506 - X2-10GB-SR Transceiver On Interface Ten1/1

Sep 22, 2011

I have a catalyst 4506 switch with one sup-engine WS-X45-SUP6 L-E, which consist of two X2-10GB-SR Transceiver( CISCO).IOS on the sup-engine is cat4500e-ipbase-mz.150-2.SG1.bin. IOS detected only one X2-10GB-SR Transceiver in Ten1/2. When I insert the X2-10GB-SR Transceiver in Ten1/1
 
C4K_GLMMAN-3-X2PLUGGABLESEEPROMREADFAILED: Failed to read seeprom on port Te1/1. Reinsert X2 m
 
But the problem is i need two X2-10GB-SR Transceiver for Uplink.

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Cisco Switching/Routing :: 2960 - Connecting Two Vlans To 1 ISP Router Interface

Dec 19, 2012

I have two Catalyst 2960 Series (48 port) switches with the newest Cisco IOS installed. There is also a Cisco 2600 Series Router which I can't manage because it's ISP managed.
 
Now the problem is as follows. I'd like to create two VLANs, one in the IP range 192.168.0.xxx and the other in the 192.168.1.xxx. Now the router has a gateway IP address 192.168.1.1 .
 
Would it be possible to somehow connect these two VLANs with the router so that these 2 VLANs can't see each other but they can ofcourse both contact the router and exit on the internet?

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Cisco Switching/Routing :: 1841 - Connecting Routers Via Serial Interface

Oct 22, 2012

While I managed to connect to each router individually, I decided it was time to connect the routers together via serial; as I don't have any serial cables and need to buy some, what serial cables I need, as well as to ask whether I have the right cards in my router(s) that will allow me to do so.
 
I bought 3 1841 routers, and all have a 1 port serial WAN Interface Card (WIC 1-T); one router has 2 of these, and one router has a WIC-1B-S/T .. My question is, can I connect the routers with a serial cable via WIC 1-T, or do I need a 2-T

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Cisco Switching/Routing :: X2-10GB-SR Compatible With GLC-SX-MM?

Apr 9, 2013

one side Catalyst 6500 module with X2-10GB-SR= otherside WS-C2960S-48FPD-L.
 
is both end compatible with each other.

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Cisco Switching/Routing :: 4900M Management Configuration Via Vrf

Mar 10, 2013

I am just going to deploy some new 4900Ms for a customer. Want to know if configuring management for 4900 (everything like NTP, AAA, SNMP , DNS ) is doable through management interface in management VRF and there are no caveats to be aware of.

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Cisco Switching/Routing :: Stack 4900M With 2960S?

Mar 11, 2013

I would like if is possible to stack a Cisco 4900M with a 2960S. I know it is not the most common situation but i need it.

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Cisco Switching/Routing :: How To Configure CVR-X2-SFP On 4900M Switches

Apr 4, 2013

I have an issue with couple of Cisco 4900M switches. We just got them and tried to use the TwinGig Converter on the 4 ports 10G module.
 
The problem is that the switches sees the new module in slot 2 and when we are inserting the TwinGig Converters we are getting the error message and when we are trying  to type the command this command it does not work."hw-module module <slot> port-group <group> select gigabitethernet",When we go to config T, the only thing we can type is "hw-module module <slot> and if we do a ? the only thing is available is logging and power and we can't type
 
Port-Group or anything else. Is this a hidden command or we have to something else?

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Cisco Switching/Routing :: 4900M / CPU Receive Q (L3 Glean / 6)

Jul 30, 2012

on a Cisco 4900M running IOS Software, Catalyst 4500 L3 Switch Software (cat4500e-ENTSERVICESK9-M), Version 15.0(2)SG1, RELEASE SOFTWARE (fc4) I'm getting a lot of packets on CPU Q "L3 Glean, 6".What is that queue and what could be the root cause?

Packets Received by Packet Queue
  
Queue                  Total           5 sec avg 1 min avg 5 min avg 1 hour avg
---------------------- --------------- --------- --------- --------- ----------
Host Learning                     1563         0         0         0          0
L2 Control                     1138188         3         0         0          0
Ttl Expired                          2         0         0         0          0
L3 Glean, 6                    4889394      4067      4381      3367        779

[code]....

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Cisco Switching/Routing :: 4900M - 1GB Port Connectivity?

Aug 10, 2012

Is it possible to use 1GB (SFP / Copper) on the built-in 8 x X2-10GB ports without any Network Module of 1/10GB. If so how.

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Cisco Switching/Routing :: X2 Module 4900M Upgrade SAN To Use 10g

Jan 4, 2012

I have a client whom has a 4900M switch as their SAN switch. They are getting ready to upgrade their SAN to use 10G.I had quoted them a price for an X2 module, but I am unclear based on pictures I have seen of the part number
 
X2-10GB-SR
 
whether or not the X2 module plugs into the X2 slot on the switch, AND then also has to have a transceiver put in it to receive the SC ends of the Fiber jumper, or whether the SC ends of the fiber jumper plug into the X2 module directly.

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Cisco Switching/Routing :: Stack 4900M With 2960S?

Mar 11, 2013

I would like to know if i can and how stack a Cisco 4900M with a 2960S. I know it's not the most common but i need it.

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Cisco Switching/Routing :: 4900M - Upgrade IOS Version

May 7, 2012

I have this 4900M running version 12.2(54)SG1.  I the log I get this 3 lines:

May  8 08:32:15: %C4K_SWITCHINGENGINEMAN-4-TCAMINTERRUPT: (Suppressed 429 times)flCam0  aPErr interrupt. errAddr: 0xC48 dPErr: 1 mPErr: 0 valid: 1
May  8 08:32:24: %C4K_L3HWFORWARDING-4-FLTCAMPARITYERROR: (Suppressed 866 times)FL Tcam Perr with no FwdEntry Hw index: 3144 Hw entry:  Sw entry:
May  8 08:32:45: %C4K_SWITCHINGENGINEMAN-4-TCAMINTERRUPT: (Suppressed 432 times)flCam0  aPErr interrupt. errAddr: 0xC48 dPErr: 1 mPErr: 0 valid: 1
 
They seems to be coming on regular basis, repeating every minute. I've tried Google and the most relevant info I can find is this {URL}. But it says "Upgrade software to IOS version 12.2(52)SG or later OR 12.2(50)SG4 or later. ".  I'm already running 12.2(54), so why does this 3 line repeatedly show up in the log every minute.

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Cisco Switching/Routing :: X2-10GB-SR Compatible With 3750-E?

Jan 31, 2012

i will be buying 2 x 3750-E and will connect our server with 10G to the x2 port of 3750.  is X2-10gb-SR compatible with this? do i need any converter module?

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Cisco Switching/Routing :: 4900M - Basic Configuration And Administration

Jan 1, 2013

First time user of cisco hardware and we just purchased the 4900m catalyst switch.  My question is very general.  I am simply hoping to network 3 servers together and I do not wish to do any fancy or advanced configuration.  Can I simply use the web management interface for network administration and setup?  I just downloaded the Catalyst 4500 Series Switch Cisco IOS software configuration guide and they talk about Cisco View network management system, is this my answer or is this what most people use for basic configuration and administration?

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Cisco Switching/Routing :: How To Setup SPAN On 4900m Switch

Feb 12, 2013

I currently have IOS image cat4500e-entservices-mz.122-53.SG5.bin.  According to my research it appears SPAN is supported on this OS.  However, after looking at procedure notes using websites like here:

[url]... I cannot find and obviously not figure out how to use the SPAN  command.  My main objective is to simply setup a port mirror on one of my TenGigabitEthnet interfaces and from what I read SPAN is the best way to setup a tap interface on a cisco switch.

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Cisco Switching/Routing :: 4900M Management Configuration Required

Dec 8, 2011

I am just going to deploy some new 4900Ms for a customer. Want to know if configuring management for 4900 (everything like NTP, AAA, SNMP , DNS ) is doable through management interface in management VRF and there are no caveats to be aware of.

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Cisco Switching/Routing :: 4900M Etherchannel Load Balancing

Dec 18, 2012

We have to cisco WS-C4900M with Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500e-IPBASE-M), Version 12.2(53)SG5, RELEASE SOFTWARE (fc1).We have four gigabit link connected between those two switches.We have create a LACP port channel with those four ports on both switches. Ether-channel is up and running and defined with a load-balancing method of src-dst-ip.But when we test the load-balancing, it's not using the src-dst-ip rule with the XOR: [code]

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Cisco Switching/Routing :: Upgrading 4900m IOS From IPBase To Enterprise?

Feb 10, 2013

My current version IOS is cat4500e-ipbase-mz.122-53.SG5.bin.  I just got a new version cat4500e-entservicesk9-mz.122-53.SG5.bin.I put the new version in bootflash: directory and tried various methods of starting the IOS up to run the new version but it always started in the original ipbase version.  My start-config shows:

boot-start-marker
boot system flash bootflash:cat4500e-entservices9l-mz.122-53.SG5.bin
boot-end-marker
 
and I even deleted the ipbase version in the bootflash: directoy so then my switch would not even boot up at all and hung in rommon. In rommon I tried

boot bootflash:cat4500e-entservicesk9-mz.122-53.SG5.bin
and the result I got back was
File has bad file magic number: 0x0
 
So I had to point the switch to my tftp server and boot back into a back up copy of ipbase.  how I can get my new IOS version to work?  I understand I might have to download it again but I just got it so I am skeptical it is a bad file. [URL] as a procedure guide and I do notice some of those commands/steps do not work on my 4900m switch.

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Cisco Switching/Routing :: 4900m Switch Enable HTTP

Jan 6, 2013

I have been trying to get the http server enabled so I can access Cisco Network Assistant.  I have my interfaces configured but for some reason the server in not running, port 80 is still closed. [code]

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Cisco Switching/Routing :: 4900M Basic Management Setup

Apr 13, 2010

I' ve three 4900M switches equipped with the WS-X4920-GB-RJ45 module and the WS-X4908-10GE module. Now I'm started to setup these switches in our lab environment for the first time. They behave a little bit strange in comparison with the C3750 series which I used before and which I will replace by these powerful machines.

I tried to setup these switches to be managed through the management port. I configured IP address, default route in the management vrf, set the source-interface for tftp,ssh,ftp and tacacs to use the management port. Ping using the manangement port was successful. After finishing theses steps I configured the TACACS and AAA settings accordingly the informations I found on CCO. I tested the settings with "test aaa group authentication" command- without success. On my Cisco ACS no request was received and the switch told me he could't reach the tacacs server. Other switches in the same IP subnet are working without failure, so firewall or server should not be the problem.

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Cisco Switching/Routing :: 4900M Twingig Converter Module SFP

May 3, 2012

I am little confused with all these SFP types.
 
Can I use GLC-LH-SM, GLC-LH-SMD and SFP-GE-L with Twingig converter module? When I used Cisco configuration tool, the only option is GLC-LH-SMD for 1000BASE-LX.

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Cisco Switching/Routing :: 4900m - Private VLan And VTP Version 3?

Dec 10, 2012

know if Private Vlans are supported on the Cisco 4900m switch when set in VTP version 3 and VTP disabled?Most documents just specify VTY transparent mode without mentioning the version, trying not to assume since this is production.

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Cisco Switching/Routing :: Catalyst 4900m With TwinGigi Converter?

May 23, 2012

Got a question for 4900m with TwinGigi Converter.   I bought couple TwinGigi Convert thinking to use it on fix module ports (8 * 10G ports on 4900m ten1/1 to 1/8).  I follow TwinGigi configuration guide [URL]however, I am getting Invalid commands on hw-module: 

Switch(config)#hw-module module 1 ?
  logging  Logging 
Switch(config)#hw-module module 2 ?
  logging  Logging
  power    Enable/disable power to module in specified slot

[code]...

here is show ver and show mod:
 
Switch#show ver
Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500e-IPBASEK9-M), Vers
ion 15.0(2)SG2, RELEASE SOFTWARE (fc3)
Technical Support: [URL]
Copyright (c) 1986-2011 by Cisco Systems, Inc.
Compiled Wed 07-Dec-11 20:20 by prod_rel_team

[code]...

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Cisco Switching/Routing :: Catalyst 4900M Switch Stackable

Feb 2, 2012

Would like to know if the Cisco Catalyst 4900M Switches are stackable?

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Cisco Switching/Routing :: 4500 Can Connect 10Gb SFP+ To Standard 1Gb SFP

Nov 15, 2011

I'm looking at provisioning a Catalyst 4500 with a WS-X4712-SFP+E module to allow for future 10Gb connectivity via 10Gb SFP+ interfaces.  These cards are backwards compatible with standard 1Gb SFP interfaces but I'm wondering about the other way around; ie. can you populate these blades with 10Gb SFP+ interfaces when they connect to Catalysts with only 1Gb SFP interfaces at the other end? 
 
The data sheets don't really explain this.  It seems pointless getting 10Gb SFP+ interfaces for the 4500 when it's only 1Gb at the access layer end, but these access switches will be replaced in the near future (~12 months) and if the 10Gb SFP+ interfaces support connections at 1Gb speeds upfront, it would mean I could retain these interfaces when the access switches upgrade to 10Gb connectivity capabilities down the track. Does the 10Gb SFP+ interfaces are compatible with 1Gb SFP's or only other 10Gb SFP+ interfaces?

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Cisco Switching/Routing :: 6509-E VSS 10gb Port Count?

Jan 15, 2012

Created two 6509s as VSS with just one 10gb connection?I know it is recommended to use both the 10gb connections on the sup-720 from below configuration guide
 
"
Information about VSL Topology  
#
A VSS contains two chassis that communicate using the VSL, which is a  special port group. Configure both of the 10-Gigabit Ethernet ports on  the supervisor engines as VSL ports.
"
 
But will the VSS come up if I use just the one?

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Cisco Switching/Routing :: X2-10GB-T Transceiver Supported On WS-X45-SUP6L

Feb 7, 2012

Does the X2-10GB-T copper transceiver is supported on the WS-X45-SUP6L supervisor?

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Cisco Switching/Routing :: 3750 Stack - 10GB And 1GB Connections

May 22, 2012

I have two 3750 stacks that are currently connected using two1GB fiber connections in an etherchannel. I now added new switches to each stack with 10GB modules in them. We would like to bring up the 10GB connection, but still have one of the 1GB lines as a backup, or even the whole etherchannel. Is there a way for us to make the 10GB the main and the 1GB the standby?

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Cisco Switching/Routing :: 5596 - Extending 10Gb/s LAN Between Sites

Dec 14, 2011

For a simple 4x sites design for backup consolidation (3x sites connected to one central site), does the design in the attached JPEG make sense and is the configuration achievable using the specified parts?
 
Brief Explanation:
- Each site is to have servers with 2x 10Gb/s Ethernet (both teamed/bonded/etc) and one NIC on each of the 2x switches in the site (if possible). Each site will also have 2x Cisco Nexus 5596UP Switch (though the P version may be used instead of the UP).
- Two of the sites are within 10KM of the central site
- The last site is about 35KM from the central site
- It is required to have a minimum bandwidth of 10Gb/s between any site and the central site
- I have specified 10Gb/s LW SFP+ and 10Gb/s LW SFP+ (for the 2x 10KM and 1x 35KM sites)
- are there any special licenses needed?
- as asked before, can such a "simple" design work as-is?
- what sort of single-mode fiber would fit the bill (especially for the 40KM link) - 9nm?

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Cisco Switching/Routing :: X2-10GB-LR And Receive Power In 6500

May 1, 2012

We are having troubles getting a 10Gig interface to come up with a carrier... it shows down down.We are using X2-10GB-LR on a 6500 and SM fiber, distance to carrier hand off is about 90 feet.
 
According to: [URL]
The receiver power on a X2-10GB-LRis
Max
0.5       
Min
-14.4
 
Our carrier is sending at +5db. Currently the interface is down.
 
My question is; would the interface even come up if it is receiving a powerful signal?
 
Here is DOM output for our interface.

show interfaces transceiver detail
 
           Optical           High Alarm High Warn Low Warn   Low Alarm
           Transmit Power     Threshold   Threshold Threshold Threshold
Port       (dBm)             (dBm)       (dBm)     (dBm)     (dBm)
[Code]....

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Cisco Switching/Routing :: Perform Initial Configuration Of 4900m Switch?

Jan 2, 2013

I am slowly working my way though the setup and configuration of our new 4900m switch.  The switch will have a pretty basic operational configuration. We are simply going to network 3 servers together through the swtich.  Anyhow, I have been fallowing the guide at this site: [URL]
 
Basically the switch is brand new and I just setup things such as the clock, the banner, and the hostname.  Anyhow, at various points in the guide such as the configuration of the telnet password and especially the interface gigabitethernet I get the "invalid input detected at '^' marker".  I also did a show interfaces and noticed there was not any gigabitethernet interfaces but there was a
 
"FastEthernet1 is down, line protocol is down Hardware is Fast Ethernet for out of band management, address i"
 
Anyhow, my thinking is continuing on with the guide and at least try to setup the interface for the management port so I can then use the cisco network assistant gui to then configure the rest of the switch. 

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