Cisco Switching/Routing :: Why Last Port Of Two Catalyst 3560X Are Connected Together

May 22, 2012

We have two catalyst 3560X 24T-S switches connected on two separate LANs (both the networks are redundant to each other). The last port of the switches are connected together?

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Cisco Switching/Routing :: Catalyst 3560x GUI Interface?

Mar 17, 2013

if a connect to the switch via Internet Explorer or every other browser I can't enter configuration because I receive a screen as you can view in image below. And I can view those errors:
 
message: 're_preFlt_txt33' is not defined
Linea: 31
Carattere: 1
Codice: 0
URI:

[URL]
 
If I connect in HTTPS with IE8 in compatibility mode I view the image as in attachment with_https.jpg.

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Cisco Switching/Routing :: Upgrade Catalyst 2960S And 3560x

Jun 20, 2012

i want upgrade my catalyst 2960S and 3560x at midnight, but i am worried about config loss.  If i upgrade my switch throught web interface, will need I reconfigure the switch?

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Cisco Switching/Routing :: Catalyst 3560x SFP Fiber To Media Converter

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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Cisco Switching/Routing :: IP SLA ICMP Echo Support Catalyst 3560X / 3750X?

Feb 13, 2012

Need to clarify if ip sla icmp echo operation is supported in catalyst 3kx switches (ip services)? on the configuration guide, commands are available, but on the feature navigator, i can't find the feature, only ip sla video operation. i don't have a device to test on here.

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Cisco Switching/Routing :: Key Functional Differences Between Catalyst Switches 3560E / 3560X And 3560G

Dec 1, 2011

I need to know the key functional differences between the Catalyst switches 3560E, 3560X and 3560G.

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Cisco Switching/Routing :: Catalyst 3560X-24T-S - Setup DHCP Servers On Layer 3 Switch?

Apr 1, 2012

Do you have the ability to setup DHCP servers on this layer 3 switch? I know I can with my old 3550 switch. Want to upgrade and make sure this model supports setting up dhcp servers on it.

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Cisco Switching/Routing :: 3560x / Ethernet Trunk Port - What Is Hogging Bandwidth

Aug 15, 2012

I need to find out what is killing my Ethernet wan circuit urgently, It is a Ethernet trunk port with v lans tagged across it.
 
its a 3560x switch.
 
I configured span with the replicate keyword, but I'm not seeing all the traffic I'm sure.
 
I'm using wire shark.
 
Is there anything I can do to find what is causing this?

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Cisco Switching/Routing :: 3560X - Using 10 / Duplex Half On Gigabit Port Not Working?

Sep 24, 2012

We recently upgraded the switch to which an old security device was connected.  It worked fine on the old switch's FastEthernet port, which was configured for speed 10 and duplex half, as that is what the device required. The new switch is a 3560X with all Gigabit ports, but the security device's port, also configured with speed 10 and duplex half, does not connect properly.As a temporary test, we daisychained another switch that has FastEthernet ports, and the security device works again.Is there anything else that needs to be added to the configuration, when using Gigabit ports at 10/half?

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Cisco Switching/Routing :: SFP Port On Catalyst 2960 S?

Mar 18, 2013

I have Catalyst 2960 S (WS-C2960S-48FPS-L) Switch. I have plugged in SFP module but still interface is down and line protocol down. Is there any configuration to enable SFP module and make the interface up?
 
This port is connected to nexus 5 k.

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Cisco Switching/Routing :: 892 When Connecting Port 0 To Catalyst It Shuts Down

Sep 3, 2008

I have a 892 router configured on fa0 with vlan1 and a catalist 3560. On catalist all ports are in access mode and vlan1. When I'm connecting port fa0 from router to catalist, the catalist port is shuted down What should I do on router on catalist to make the connection working ?

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Cisco Switching/Routing :: Port Mirroring On A Catalyst 3560-X?

Oct 21, 2012

I've just installed 2 of these in my workplace on a PLC network.I'm now looking to set one of the ports up as my diagnostic port and would like to be able to mirror any of the other ports to this port.I believe it is called SPAN on Cisco switches.The only reference I can find to it is configuring via Telnet which I haven't got a clue about.On my old Wiedmuller switches it was just a few clicks away.

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Cisco Switching/Routing :: Catalyst 3500 Fx Port Configuration

Jun 12, 2013

I am connecting two catalyst 3500 XL switches via fiber fx ports for layer 2 connectivity. Do I need to configure anything in the IOS or do I just plug in the fiber?
 
What needs to be configured?

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Cisco Switching/Routing :: Port Numbering On A Catalyst 3560 / 3750X

Apr 10, 2012

Assume I had Catalyst 3560X/3750X with 24 ports. The partnumber is WS-C3560X-24P-LI would like to how is the numbering defined if the switches have a C3KX-NM-10G installed with 4 SFP-GE-L.

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Cisco Switching/Routing :: Port Grouping On 3750 Like On Catalyst 4500?

Mar 27, 2013

On 45XX catalyst , bandwidth is allocated across six 8-port groups, providing 1 Gbps per  port group. Example  for the following line card : WS-X4448-GB-SFP

I want to know if there is the same mecanism on 3750X switches. I mean is bandwidth allocated across a group of ports like on 4500 catalyst ?

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Cisco Switching/Routing :: Catalyst 2960S - Protected Port But Allow Specific MAC?

Nov 5, 2011

We are using catalyst 2960S Lan Base IOS on Radio towers. We just bought 50 Accest points, thas are GPS synchronized. Problem is the APs need to be connected on L2-mac betwen each other. But at this time we are using port isolation on each switch (tower) by protected port function to isolate clients from each other.
 
My question is, is possible to specifi a Mac addresses in specific vlan thats can comunicate betwen protected ports? On tower is one Master unit and others are slave. I thing there is only 1 dirrection comunication - from master to slave.

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Cisco Switching/Routing :: Catalyst 2960 Switch Port Bandwidth Limit?

Sep 18, 2012

I want to configure switch port bandwidth limit for my Catalyst 2960-48, is there any hardware / ios limitation? can I configure it at all 48 switch ports?

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Cisco Switching/Routing :: Catalyst 3546 XL / Switchport Port-security Command Not Available

Oct 26, 2011

Im trying to follow along documentation i see via train single videos and some online resources. I am trying to enable port security.I have a Catalyst 3546 XL when i type in "rtr1# switchport ?""port-security" is not only of the options to choose from.   I have already set this as an access port.

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Cisco Switching/Routing :: Catalyst 3560 G POE 48 Port Cannot Access Password Recovery

Nov 5, 2012

Im trying to access the switch to reset the password to factory defaults (please see switch output Astrix has removed customer identifying information for security purposes.) Each time I reboot the switch and try and access the password recover mode this same output below starts and im still not able to access the recovery area of the switch
 
cisco WS-C3560G-48PS (PowerPC405) processor (revision F0) with 122880K/8184K bytes of memory.
Processor board ID FOC1133Y28Q

[Code].....

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Cisco Switching/Routing :: Catalyst 6500 / Port-Channel Down But Correctly Configured

May 23, 2012

I has a issue about etherchannel beetwen 02 Catalyst 6500 switch, i need your comment about it. if you had any similar experience:
 
1.- On Catalyst Switch 6500-1:   I configured interface port-channel 4 and associated it to G6/29 and G6/30 interface Port-channel4description IUU1_Gn1_HLIMSGSN01_Port_channel_6_29_6_30switchportswitchport trunk encapsulation dot1qswitchport trunk allowed vlan 406,408switchport mode trunkswitchport nonegotiatelogging event link-statusload-interval 30mls qos vlan-basedmls qos trust dscp!

2.- On Catalyst Switch 6500-2:  I configured interface port-channel 4 and associated it to G6/29 and G6/30
 
interface Port-channel4
description IUU2_Gn2_HLIMSGSN01_Port_channel_6_29_6_30
switchport
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 407,409

[code]....
 
and i see output "show interface Po4A" up up on switch-1, "show interface Po4B" up up on switch-2   
 
5.- In the show running-config not appear configured Po4A and Po4B. it only show on outputs
 
6.- Po4A and Po4 was not configured on neither switches, my question is why appear Po4A and Po4B on switch-1 and switch-2 respectively?  and why Po4 appear in down down.
 
7.- I solved this issue by shutdown and not shutdown to the interfaces on both routers, currently all is OK.

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Cisco Switching/Routing :: Catalyst 2960S Port-Based Address Allocation?

Sep 27, 2012

I just bought a Catalyst 2960S to test out the feature "Port-Based Address Allocation" which is required for our factory. I followed the instruction from Cisco IOS and did all the steps but I could not get it to work, my network client did not received the expected IP address that I configured.

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Cisco Switching/Routing :: Port Security Dynamic Configuration On Catalyst 3560xPOE

Oct 2, 2012

I have connected a 10BaseT device to a CISCO Catalyst 3560xPOE switch with dynamic port security.  All seems to work fine when the distance between the two devices is closer then 200ft.  When I connect to 10BaseT devices farther out near 300ft the response from the attached device is lost. It works ok on unmanaged switches at the longer distance. Is there a minimum response time from attached devices for dynamic port security to work properly?  Is there any other explanation why it would work on cheaper switches, but not on the Port Secured Switch?

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Cisco Switching/Routing :: Catalyst 6506 And 10 GB 16 Port Fiber Module Compatibility

Sep 4, 2012

We have a core switch with the following ios and supervisor engine. Can we add a16 port LR (x2)or  LRM(X2)  ON  the core switch?if not what modifications has to be done?if an ios upgrade is necessary is it a costly affair?At present we have two 1gb up link modules in single and multimode fiber .
 
#sh moduleMod Ports Card Type  Model  Serial No.--- ----- -------------------------------------- ------------------ -----------  1   16  SFM-capable 16 port 1000mb GBIC        WS-X6516A-GBIC     SAL0803T308  2   48  SFM-capable 48 port 10/100/1000mb RJ45 WS-X6548-GE-TX     SAD07500600  5    5  Supervisor Engine 720 10GE (Active)    VS-S720-10G        SAL1439UMZK
#sh versionCisco IOS Software, s72033_rp Software (s72033_rp-IPBASE-M), Version 12.2(33)SXI4a, RELEASE SOFTWARE (fc2)Technical Support: [URL] Copyright (c) 1986-2010 by Cisco Systems, Inc.Compiled Fri 16-Jul-10 19:51 by prod_rel_team
ROM: System Bootstrap, Version 12.2(17r)SX7, RELEASE SOFTWARE (fc1) uptime is 1 year, 27 weeks, 4 days, 23 hours, 30 minutesUptime for this control processor is 1 year, 27 weeks, 4 days, 22 hours, 58 minutes(code)

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Cisco Switching/Routing :: Process Of Swapping Out Older 24 Port Catalyst 3525 POE

Mar 6, 2013

I am in the process of swapping out an older 24 port Cisco catalyst 3525 POE switch running IOS 12.0(5) with a 48 port POE catalyst 3560 running ios 12.2(50)The trunk port on the older switch (that currently works) is in port Gig0/1 with as basic of a trunk config as you might find.

In the newer switch I have a 1000BaseSX SFP min gbic with a SC-LC fiber cable attached (8.3/125 – 15 meter.When I make the connections, I get no lights… no connection.

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Cisco Switching/Routing :: 2960 Which Port On Switch Its Connected

Mar 2, 2012

If I knew the IP address of a host, can we know on which port on the switch its connected. The switch model is 2960

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Cisco Switching/Routing :: Force Gigabit Ethernet Port To Be 1000 Full Duplex In Catalyst Express 500 Series?

Sep 1, 2007

Can we force the Gigabit Ethernet port to be 1000 full duplex in Cisco Catalyst Express 500 series?

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Cisco Switching/Routing :: 2811 Port Is Connected To Fiber Or Copper

Jan 14, 2013

I need Know what connection is using on Cisco 2811 router.I have this interface in Cisco 2811, I need Know if this port is connected to Fiber or Copper. I think is copper with RJ45 but I see 100 base TX/FX so this make me doubt about it because TX its for copper link and FX for fiber. [code]

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Cisco Switching/Routing :: 3560G Routed Port Connected To E1 Converter?

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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Cisco Switching/Routing :: 3750 Method Of Forcing Non Connected Switch Port LED To Blink

Jan 9, 2012

Any method of forcing a non connected switch port LED to blink for a certain number of times regardless if there is anything connected.The purpose of this is we have remote 3750 switch stacks and quite often have to tell non technical staff to patch to a certain port. It would be much easier if we could say "Connect it to the empty port which just started blinking orange" as the port numbers are difficult for them to see in these locations.A similar feature is available in the ethtool package for linux which makes it really easy for identifying ports on servers. It would be great if a similar feature is available on Cisco switches.

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Cisco Switching/Routing :: 3560 Command Shows Two Devices Connected Through Same Local Port?

Oct 14, 2012

show cdp neighbors command shows two devices connected through the same local port?I have a Cisco 3560 that when I issue the "show cdp neighbors" command I get the following results: [code]
 
the question is why is this showing that Gig0/3 is being used twice to  connect to two different devices.  I have verified there is no hub  connected to this port and in fact Switch3 is not connected to Switch1  at all yet it still shows up in the CDP table.
 
I have cleared the CDP table on every device at this location and still get the same results. 

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Cisco Switching/Routing :: 3750 - Port VLAN Setting Reverts Whenever Host Connected

Apr 17, 2013

One of the ports on the 3750 stack was configured for VLAN121. It was changed to VLAN40 and the configuration saved. Both VLANs exist in the switch configuration. As soon as a host was connected (in this case, a label printer) the port VLAN reverted back to VLAN121.

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Cisco Switching/Routing :: 6500 Configure Switch Layer 3 Port Connected To Firewall

Feb 26, 2012

I have a switch layer 6500  series connected to a firewall, the port configuration between them is  layer 2, in another words I do not configure an IP address in the Cisco  switch port to conected it in the firewall, but when a apply a policy on  firewall it lose communication with others vlans, just the vlan that is  connected between the switch and firewall works, attachment the design.  I think that is necessary to configure the connection between the  firewall and switch as layer 3 ( a port with IP address in the switch),  but I would like to know why? The switch is configured with about 10  vlan and it is a inter vlan routing, a default route is configured in  the switch where the gateway is the firewall.

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Cisco Switching/Routing :: Access Layer Switching With 2960 / 3560x / 3750x And 4506

Jan 17, 2013

My management has tasked me to give them a high level overview of the different switching we can choose for our new building.
 
This is what I know so far.4 Closets, each closet has 450 ports,One MDF room that is will contain one UCS Chassis and a Nimble iSCSI SAN.
 
I am working on the spreadsheet and it looks like this (Not totally filled):

2960s3560x3750x45064510Approx cost (Each, 48PORT, POE+, 10G uplink, Dual PS, IP BASE)
6K7K8K45K75KMax Capacity192432432192384Backplane speed206464520520ProLeast ExpensiveStackable to 9Stackable to 9ProDual PSDual PSDual PSDual PSDual PSProLayer 3 opt
Layer 3 optDual SupsDual SupsConExpensiveExpensiveConNo Dual PSConLayer 2 OnlyCannot stack more than 4 
For the MDF I would like to use 2 Nexus 5548's with FEX's, and the layer 3 daughter board.  For the IDF's I was thinking of two 4010's.

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