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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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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Sep 21, 2012
I'm trying to upgrade some of the netwotk in my workplace.To do this I have istalled a 24port Catalyst 3560X switch.I'm looking to link it to my exsisting network via fibre.
I spoke to a local Cisco supplyer who recomended the above switch and an Allied Telesis Media converter.
I cannot seem to get the Allied Telesis unit to connect to the cisco switch.I have proved the fibre link by connecting 2 AT Media converters over the fibre.Do I have to enable something on the Catalyst switch or is the AT Media converter not compatible with the Catalyst switch?
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Feb 2, 2012
Would like to know if the Cisco Catalyst 4900M Switches are stackable?
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Apr 4, 2013
Do I need to run any special license (like IP SERVICES) on the Cisco Catalyst 4900M in order to run VRF lite?
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Oct 30, 2011
Catalyst 4900m does not support command "ip sla <entry-number>" like Catalyst 6500. If 4900 does support SLA, how to configure it then? [code]
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Feb 21, 2013
As defined in datasheet, 4500x switch supports 10 GE. Can i use twin gig converter to convert some ports to 1 GE ?
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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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Apr 8, 2012
I have a 4506-E with the following supervisor module:WS-X45-SUP6-E
It currently has 2 TwinGig converter modules installed. I want to upgrade the 2 1Gb connections to 2 10Gb connections. First I took out the converter modules and installed 2 X2-10Gb-SR's, but it didnt recognize ("No X2 GBIC")???
Then, I put the converter module back in and put two SFP-10GB-SR's in them, but they don't recognize either...???? I"m running IOS
12.2(54)SG1.
According to the 10Gb matrix, they should work:
Catalyst 4500 series
#(continued)
#WS-X45-SUP6-EWS-X4606-X2-E
##X2-10GB-CX4X2-10GB-LX4
#X2-10GB-LRX2-10GB-SRX2-10GB-ERX2-10GB-LRM
[Code]....
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May 25, 2013
I have made a routed port on 3560G Switch and defined a pool 172.28.4.62 255.255.255.192 and connected to E1 converter RAD (4E1 to 4 FE) the E1 media is through Microwave on the other end same E1 converter is connected through layer 2 switch and defined a pool as of routed port configured in 3560G switch.
The port is generating lot of giants and after a while it also distrubs other routes ( Port1 to Port 16), configured with Vlan11 and port 22 as routed port.I have checked the routed port through wireshark the maximum frame size is 1514 and configured the MTU to 1514, giants are not showing any more but after 10 to 12 hours switch gets hang. Either to shut the port or to reload the switch to get switch and other layer routes to be normal.
I have checked speed and duplex settings same as E1 converter. Full duplex. 100 Speed. Why switch is not behaving normal. If I shutdown the routed port it is normal.
1. interface GigabitEthernet0/22
no switchport
ip address 172.28.4.62 255.255.255.192
flowcontrol receive on
end
[code]....
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Jun 17, 2012
I am having problems configuring a 4900. I have entered the following commands:
hw-module module 2 port-group 1 select gigabitethernet
hw-module module 2 port-group 2 select gigabitethernet
hw-module module 2 port-group 3 select gigabitethernet
hw-module module 2 port-group 4 select gigabitethernet
However no matter what I try, it never sees the GLC-SX gbics I have in the TwinGig converter.
PERSW001#sh interfaces status mod 2
Port Name Status Vlan Duplex Speed Type
Te2/1 inactive 1 full 10G No X2
Te2/2 inactive 1 full 10G No X2
Te2/3 inactive 1 full 10G No X2
[code]....
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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Jan 9, 2012
I'm setting up a new 4900m running cat4500e-ipbase-mz.122-53.SG5.bin. I'm attempting to create Port-Channels as a Trunk for uplink to a 4503 running cat4500-ipbase-mz.122-37.SG1.bin.When I attempt the command "switchport trunk encapsulation dot1q" it errors out.
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Feb 18, 2013
We are facing issue with highly frequent interface flaps on Cisco 4900M switch only for module WS-X4920-GB-RJ45. Strange thing is no complaint from the users/server teams for any traffic interruption.
Switch: Cisco WS-C4900M
Line card: WS-X4920-GB-RJ45
IOS image is cat4500e-ipbase-mz.122-53.SG4.bin
There are several other smilar model & linecard/inventory of switches with exactly same IOS image, however there are no issues with them.
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Nov 6, 2012
There are two Cisco 4900M L3 switches and two Cisco 2960 L2 switches. I need to configure the two L3 switches to operate as a redundant pair, as the servers connecting to them are connecting using bonded interfaces, which can only have one default gateway. So these two L3 switches need to have the same Vlan interface 1, 2 and 3 IP's set onto them.How are the two L3 switches made aware of each other? via a normal trunk? Is there some special configration for configuring a mated/redundant pair of switches? or are they both just configured as though they were the same switch, but linked?
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