Cisco Switching/Routing :: ME3600X Storm Control On Admin Down Port

Oct 30, 2012

I have 2 ME3600Xs and utilize Broadcast and Multicast storm control on client facing interfaces.  One of my ME3600s is reporting a Multicast storm and that a packet filter action has been applied.  The strange thing is that it is showing up on an Admin Down interface that has nothing connected to it. [code]

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Cisco Switching/Routing :: 2960 Storm Control On Trunk Ports

Feb 9, 2012

We have around a dozen Catalyst 3560 and 2960 switches in a ring topology. We are considering adding storm control to our trunk ports. Up until now we have only used it on edge ports with default values and without error-disable.I am proposing that we also add storm control to trunk ports at a lower level and that we error-disable only the redundant links that make up our loops.
 
-storm-control broadcast level 25.00 20.00
-storm-control multicast level 2.00 1.00
-storm-control action shutdown [only on redundant links]
 
In a storm all links will restrict broadcast which should work accessing remote switches, but the redundant links should errdisable and block the redundant path. It is important that the action line is not applied to links that are not redundant as we could isolate parts of the network. Any reason not to use storm control on trunks?

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Cisco Switching/Routing :: ME3600X Is Switchport Port-security Mac-address Sticky Available

May 5, 2012

Our customer has a Cisco ME3600X with the IOS me 360x-universalK9-mz.122-52.EY3.They are saying that is not possible to configure the "switchport port-security mac-address sticky" in the interfaces and want to know whether any additional license is needed.As far as I know there isn't any extra license to activate this feature and also I believe the ME3600 switch should have this feature with the universal IOS, isn't that right?

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Cisco WAN :: 3750 - Settings To Use Storm Control

Dec 22, 2011

I`m connecting a client directly to a 3750, and giving them a public IP.
 
On the port I have set spanning-tree bodyguard enable
 
But I guess I should also set some storm control etc. What settings should I use for storm control?
 
The client has a 100Mbps internet connection running trough this port....

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Cisco WAN :: ME-3X00 Storm-control Configuration?

Apr 30, 2012

We're using ME-3600 and ME-3800 switches to create VPLS domains. Now to avoid L2 loop issues with 3rd parties connected to the multiple ME-3X00 switches and configured in the same VPLS domain, we would like to configure storm-control.

When checking the configuration manual about storm-control on ME-3X00 switches it mentiones: storm-control is configured on the physical interfaces and when it's triggered it will not only impact the physical interface buy also the EFP configured on it.
 
According to me this could mean two things:
 
When there's a storm on the physical port, the port wil be shutdown (it if this the action configured) and of course the EFP on that physical interface will be impacted too (logical consequence).When there's a storm on an EVC (EFP) configured on a physical interface, it will shutdown the entire physical port (if this is the action configure) and as a consequence all other EFP will be impacted too. Briefly: is the configured storm-control on an interface also triggered by storm-controls on an EFP? I suppose it would but like to have some confirmation.
 
configuration example
 
interface GigabitEthernet0/2
description TEST storm-control
switchport trunk allowed vlan none

[Code].....

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Cisco Switching/Routing :: ME3600X Ip Accounting / Net-flow

Jul 26, 2012

Struggling to find any documentation that states both "ip accounting & netflow" are supported on the new ME3600 switches. I have tried both a 12 and 15 release of software. Netflow produces no data what so ever, ip accounting only produces data (of the global network) when configured on my uplink (running MP-BGP network) unable to get specific data for user networks in seperate VRFs. Is this a case of the commands being there but not being supported?

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Cisco Switching/Routing :: Using SD Card Slot On ME3600X

Mar 13, 2013

we are trying to use the SD Card Slot on an Cisco ME3600X (ME-3600X-24FS-M) IOS Version 15.2(4)S2. If i try to copy a file from the sd card slot to the flash there is no Option like "slot0:" or something alse and no syslog message appers while adding the SD Card.

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Cisco Switching/Routing :: 3750 - ME3600X Vs WS-C3750X-24S-S

Apr 16, 2012

I'm looking for a 24-port SFP switch. Each of the two switches in the subject meets that requirement.  If I went with the ME switch over the 3750 (at about half the cost), what features/functionality if any, would I be giving up?

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Linksys Wireless Router :: WRT54G To Transfer Admin Control Panel From Old Computer

Dec 30, 2011

When I first installed my wireless router a few years ago, I did it with my old computer which has Windows XP as its operating system.  It is on this computer that the Linksys "admin control panel" is installed, which allows me see what computers are connected through the router, see what the settings of the router are, etc. I recently purchased a new computer which has Windows 7 as the operating system.  As I transfer programs and documents from my old computer to my new computer, I have run into the problem of how to transfer the Linksys "admin control panel" from my old computer to my new computer. The original installation CD for Linksys won't work with Windows 7 so I don't even have that as a starting point.  I tried going to the web-based admin site, but can't access it from either computer.

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Cisco Switching/Routing :: 4948 - Don't Have Admin Right And Network Access

Mar 28, 2012

upgrade IOS in cisco 4948 switch, I do not have admin right and network access

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Cisco Switching/Routing :: 2960S MAC Address Control

Feb 20, 2013

I would like to enable port security to hardcode the MAC address on the ethernet switch. There are 5 ethernet ports in the same ethernet switch to be assigned for one person (one note book), e.g. port 5, 6, 15, 16 and 23. The model of ethernet switch is cisco 2960S and one MAC address is configured on 2960S.
 
1. Does 2960S support this requirement to allow input the same MAC address to 5 different port?

2. If yes, can ethernet switch "smart" enough to forward the packages to "active" ethernet port which is connected to notebook and the rest of four ports are inactive.

3. if no, any solution or any work around to achieve this requirement 

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Cisco Switching/Routing :: 1941 ISM Previous Net Admin Is No Longer Employed

Mar 11, 2013

I have a Cisco 1941 ISM. It sits between my Fortinet Firewall and the Internet. I tried to console to it so I can backup the configuration. Is there any way I can do this as I do not know the name and password for this unit as the previous net admin is no longer employed.

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Cisco Switching/Routing :: Nexus 7000 Bandwidth Control

Oct 14, 2012

On Nexus 7000s I want to limit bandwidth of particular IP. I can do this using proper configuratio of IP ACL, policy map and class map. But what if I dont have information on interface?  Can I apply bandwidth control for particular IP without knowing the interface?

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Cisco Switching/Routing :: Enabling Flow-control In 2960s?

Nov 12, 2012

I met a strange problem after enabling flow-control in 2960s.my enviroment,
 
- 2 cisco 2960s 24ts-l have been created a stack
- IOS is 12.2(58)se2
- all ports have been enabled flowcontrol receive dersied
 
via show flowcontrol, I can see each Gigabyte Port have been enabled "flowcontrol receive desired" but, when I do the following tests

- connect equallogic ps4000xv to the port 21, I found the status of port is "input flow-control is off"

- connect one server with Broadcom Gigabyte Network adapter, which has been enable TX ON RX ON, or Auto, the status of the port is still  "input flow-control is off"    
 
I guess, the port status should be ""input flow-control is on". Test them with another port, I got the same result. why?

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Cisco Switching/Routing :: ME 3400 Series Bandwidth Control?

Dec 19, 2012

I`m searching about bandwidth control down and upstream with vlans, i found many options but no one works good, follow some examples i have found on the internet

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Cisco Switching/Routing :: OSPF Subnet Admin Distance Command On Nexus 7K

Jun 20, 2012

I am trying to modify the OSPF admin distance for a specific subnet under version 5.1(5) of  the Nexus 7K, but this command does not appear to be available. 

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Cisco Switching/Routing :: SLM248G - Admin Page Fails To Fully Load?

Nov 11, 2012

We have an SLM248G switch which seems to be giving a few problems.  When attempting to access the switch, the admin page loads but after logging-in, the admin portal page does not load fully, see screenshot.
 
Even after a factory reset (reset button held), the issue continues.  Is there any other workaround for completely resetting everything?

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Cisco Switching/Routing :: 3750 Lab Switch Control And Config Restore

Nov 16, 2011

I am in the process of setting up an interop lab for some engineers. The enviornment will consist of some 3750's, H3C's and ProCurves. My concern is that the end user will have Priv-Exec access for CLI usage on the 3750's and they can change the "en" password (I hope they don't but it has happened).Is there a way I can "break in" during the boot process to reset the password? The reason I am doing it this way is because I have an Altiris server with rebuild automation scripts in xpect and I would like to automate the process so I do not have to use a manual factory default reset.

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Cisco Switching/Routing :: 6509 ACE Application Control Engine Module

Oct 4, 2012

We are facing a strange issue, our ACE 20 got failed due to power issue , after RMA once we are installing ACE 20 to 6509 , the status LED is showing ORANGE . The sh module shows it as " Others " ... The IOS is same as it was previously in 6509 .

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Cisco Switching/Routing :: C2950-24 / Unable To Take Control In Console Mode

Jan 25, 2012

I use a C2950-24 switch, with IOS 12.1(22)EA12 release.When I try to connect in console mode, I can see the "Press RETURN to get started!" message, but it's not possible to me to have the # prompt.An "authorization failed" message is displayed. And the same message is prompted.
 
I try to recover password by following the recovery procedure. After the boot command, I never see the message "Continue with the configuration dialog? [yes/no]: ".

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Cisco Switching/Routing :: Catalyst 2960 Logical Link Control

Feb 16, 2013

I have 2 devices which need to communicate through Logical Link Control.  Each device functions like this: they have a built in network switch that allows their internal components to communicate with TCP/IP which is then encapsulated inside LLC frames and sent out a special port.  The LLC frames from each device all come from a single source MAC address and are broadcast out the network.  The receiving deivce receives the LLC frames, unencapsulates the data and uses it directly.
 
Using it this way through a single 2960 (such that device 1 is connected to fa0/2 and device 2 is connected to fa0/23) with its own dedicated VLAN and no other traffic on the switch (all other ports shutdown), the two devices are unable to "connect".  Using a SPAN session, I can clearly see them exchanging LLC frames, but if I connect my computer to the internal device switch and try to ping the other device through the LLC encapsulated link, I get anywhere from a 25% to 100% loss with response times between 2ms and 15ms.
 
When I connect the special ports of each device together directly with a straight through cat-5e cable, they can connect and I can successfully ping through the link with sub-millisecond response times.  The same goes if I connect them through an old unmanaged Linksys switch.  I have toggled everything on the 2960 I can think of, including STP, CDP, LLDP, storm control, keepalives, IGMP snooping, management interface VLAN1, and QoS.  In general, the more of those that I turned off, the faster the ping responses became, but nothing seems to stop the data loss.

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Cisco Switching/Routing :: Configure C3560-24TS / QoS Control By IP Or Subnet?

Jun 28, 2012

I need to configure the C3560-24TS, QoS control by IP or subnet.i tried to study books and videos many times but still feel i am not well known about QOs...

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Cisco Switching/Routing :: 6500 - SSH Control Process / Private Key Not Found

Nov 30, 2012

we have configured SSh on our primary and secondry core switch , SSH is working on primary Switch but we are unabme to access secondry Core switch through SSH .
 
Error are as under :
 
ov 28 09:14:15.380: SSH1: starting SSH control process
ov 28 09:14:15.380: SSH1: sent protocol version id SSH-2.0-Cisco-1.25
ov 28 09:14:15.396: SSH1: protocol version id is - SSH-2.0-PuTTY_Release_0.62
ov 28 09:14:15.396: SSH2 1: send: len 280 (includes padlen 4)
ov 28 09:14:15.400: SSH2 1: SSH2_MSG_KEXINIT sent

[code]...

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Cisco Switching/Routing :: 2960 SI Lan Lite ACLs - Configuring For Admin And Guest Access

Jan 26, 2013

I have a 2960 SI lan lite switch that I am configuring for admin and guest access.  I have wireless AP's plugged into trunked ports 2 and 3.  I am using two vlan's (in addition to the native VLAN).  Vlan 5 for Admin and Vlan 10 for guest access.  I have ACL configured on the router preventing guest users from accessing the Admin network.  I want to prevent those on the guest network from seeing other hosts in the vlan however the lan lite software does not support port ACL's. Any way to accomplish this with this switch. 

version 12.2
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
[Code]...

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Cisco Switching/Routing :: Role Base Access Control On Nexus 5000?

Oct 25, 2011

Login to N5k is managed centrally from a cisco ACS server ver 5.2
 
Goal: Role base access for (1) Network Admin and (2) Storage admin in such a way that network guy  and storage guy has  controll on their seperate domain.

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Cisco Switching/Routing :: 3560 / Administrative Control On L3 Switch For DHCP Service

Sep 25, 2012

My Network Layout is as,  Firewall (with Routing)------>Cisco 3560 Switch (L3)------> connected 8 Cisco 2960 switch (L2)----> all users I have configured 20 VLAN's on cisco 3560 switch with Dynamic Pool and Static, Means, 5 Vlan's are Dynamic and remaining are Static Our Company process provides only internet access to existing clients computers. Problem is that, I configured Static VLAN 5 for one of our Client in their seperate room, mean to say, i activated all ports of their room with Static VLAN 5. one day they configured own DHCP server on Windows 2003 Server with same subnet (Same as VLAN5) in their room without any information and now their all computer/ Laptop acquiring ip address Dynamically.
 
If i have configured Static vlan on that port's then how it is get Dynamic ip from same port's.How to restrict to permit another DHCP server/Service in our premises. I Do not want to give administrative control to Clients to do such kind of thing with LAN.

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Cisco :: Switch Port General Allowed Vlan 2 For Admin And 10 For LAN?

Sep 22, 2012

Me and my friend is currently setting up a Xen test environment. As you can se from the picture below we are running a Cisco ASA 5505 to reach the network from the outside.But the problem is that we want to reach the virtual pfSense's subnet's through the Cisco AnyConnect VPN. And currently the pfSense's are only configured with a public ip and a virtual interface to the VM's.could solve this problem by buying another PCI NIC, so that we have a physical link from the "pfSense box" to a tagged VLAN on the switch.But we are having problems configuring the switch to general vlan's. Cause Xen can't have it's management interface on a tagged VLAN directly from the XenServer,but the switch can tag the packet when it reaches the switchport. I would like to have "switch port general allowed vlan 2" for admin and 10 for "LAN"And then trunk the port to the Cisco ASA. But again, Xen stops me from doing this.

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Cisco Switching/Routing :: Convert Switch Port To Router Port On 6500

May 8, 2012

On the supervisor card of a cisco 6500 series, according to the following link, [URL] it only has 2 uplink ports on the card. Would I be correct in assuming that I only have those to ports that I can configure IP addresses on?
 
The cisco that is being devlivere is coming with a 48 port switch and 24 port fibre switch. Could I change any of those ports into a router port and configure IP addresses on those?
 
The supervisor card is a ws-sup-720-3b the 48 port switch is a ws-x6748-ge-tx the 24 port fibre switch is ws-x6724-sfp

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Cisco Switching/Routing :: Enabling Port Security On C4507R Shuts Down Port

Aug 13, 2012

I'm trying to enable port security on several 4507R's. When I try to configure a range of ports the switch will randomly put 1 or 2 in err-disable.  It's different every time I apply the config to the same group of ports.  However if I do them one at a time it seems to work.  But I really don't want to configure 6 fully populated switches one port at a time.   We also have a lot of 3750's and they gave me no problem using a port range. [code]

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Cisco Switching/Routing :: 7900 - Port Configuration With IP Phone And PC On Same Port

Jan 15, 2013

We just installed a hosted VOIP system using Cisco 7900 series IP phones.  We are having a strange issue with a few computers where they pull DHCP information from our VOIP provider's DHCP server on the Internet and not our LAN DHCP server. 
 
The switchports areconfigured as: switchport mode access
 
My rationale behind this is that the phones would use CDP to get their VLAN info from the providers Cisco router and the PCs would just ride on the default VLAN.  But this is not the case.  Computers randomly keep getting DHCP info from the provider's router.  Do I have to use voice vlan x and make the switchports trunks?

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Cisco Switching / Routing :: 3560 - Management Port Used As Regular Port?

Jan 30, 2012

I have an all gigE  3560.  I don't use the management FE0 port on the back.  I was thinking to use that for a 100Mbps WAN connection. 

Seems to work just fine when I plugged in an test.  But I am not routing across that link yet as I still need to setup the far end.

Is there any reason this would not work?  I would like to not burn a gig port if the max throughput of the circuit is 100Mbps.

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Cisco Switching/Routing :: Lose Lot Of Bandwidth Over Trunk Port (vs Access Port) 3750g

Feb 18, 2013

I have a 3750g connected to a "core" switch stack of 7 other 3750g's via 2 GigE ports in a trunk.  This is currently in a switchport mode access port- channel so only the default vlan data is sent over. Now we have a need due to physical location of these switches, to allow vlan20 (DMZ) from this 3750g to the switch stack.  I will configure a few ports on the switch stack for vlan20 and they need to be able to talk to the stand alone 3750g.To do this I will change the port channel on both endpoints to

-switchport trunk ecapsulation dot1q

-switchport mode dynamic desirable
 
also making the appropriate change on the interfaces belonging to this trunk.My question is, now that its a trunk port that carries multiple VLANs, how much is the bandwidth reduced on that 2gbps link?I have a very active VLAN (10) on the stand alone switch, but on the core I'm not going to be assigning VLAN 10 to any ports.  So does traffic from VLAN10 even come across the trunk (wasting bandwidth) if no ports on the core side are assigned to it?  I really just need vlan 1 and 20 (for now).

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Cisco Switching/Routing :: Shutdown Specific Port On 3750x And Monitor Port At Same Time?

Oct 23, 2011

is it possible to shutdown a  specific port on my 3750x and monitor this port at the same time .for example , im dealing with a mac authenticated network using port security , i want to shut down all the ports that are not used at the moment , however , if some one gets connected to the one of the shutdown ports  i want to know the mac address of the user or atleast to know that i have someone who is just plugged in to the one of the shutdowned ports .

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