Port for a port security

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• Inspiron 13 (7352) looking for a burglar to fit smaller locking port security cable

  I am trying to get a cable of anti-theft security for my Dell Inspiron 13 (7352). The lock of Noble (Dell A6451164 part / manufacturer part TZ08) does not fit in the slot. The slot on my Dell Inspiron 13 (7352) measure 0,1875 "(3/16"). "

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• PowerConnect 35XX port security

  Hello. I am trying to locate a CLI command that will allow me quickly clear course MAC addresses for a port secure with port security.

  My configuration of the interface is fairly simple.

  dot1x multiple-host
  dry port max 2
  dry port stop throw

  If I connect to a different host, the original at the port this as it should and travel to port security. Now, everything is fine, if I plan on the reconnection of the original host. Issue the global command "set interface active ethernet eth #" and the port is back online. The problem comes when I want to change the host. I have to completely remove the dot1x and the security configuration of the port [minus the max], 'set active interface' and then add security dot1x port for the interface configuration.

  Is there a way to quickly clean the secure the port addresses so that the new addresses can be learned?

  Thanks in advance.

  -Andrew

  Try this command and see if it works. Console # dot1x to re-authenticate ethernet 1/eXX

• Need help to reset/compensation port security on a PowerConnect 35XX

  I implement port security on our network, and I've never worked with these before switches. I'm used to the Cisco CLI, who was the command exec "int sticky clear dry port", but it doesn't seem to be anything of the sort on the CLI of Dell.

  Here is the config, I have in place on the switchport in question.

  dot1x multiple-host

  safe standing of port security mode

  port security throw

  For the moment, that the port has done what is supposed to to, but remove the configuration of the interface completely that I am unable to find how the CLI reference or online at how 'quickly' to reset the port.

  Any help would be appreciated.

  Do not take into account. I found buried in the CLI reference command.

  There are actually two commands necessary to reactivate the interface

  "dot1x to re-authenticate ethernet [port]".

  'set interface active ethernet [port] ".

  Thank you

• Errors of run Switchport Port-Security

  So I'm a bit new to switchport security.  I work on most of the ports in one location.  Its ports where I either switchport voice and switchport access VLAN or just switchport voice VLAN.  For some reason, these types of ports going into err - disable.  Here are a few examples.  Indications as to why it would stop even when I have the right MAC address would be very useful. Interface Fa0/3 has a phone attached to it and a connected computer the phone is off.

  interface FastEthernet0/2
  Description Table phone
  switchport mode access
  switchport voice vlan 2
  switchport port-security
  security violation restrict port switchport
  switchport port-security-address mac 34a8.4ea6.0f95
  spanning tree portfast

  interface FastEthernet0/3
  SAM PHONE x 1623 description
  switchport access vlan 3
  switchport mode access
  switchport voice vlan 2
  switchport port-security maximum 2
  switchport port-security-address mac 442b.031a.2975 - phone MAC
  switchport port-security-address mac e840.f223.8842 - MAC computer
  spanning tree portfast

  2 442b.031a.2975 DYNAMICS Fa0/3

  2 34a8.4ea6.0f95 DYNAMICS Fa0/2

  The newspaper says this whenever I turn on port security.  Any other port where there is only 1 VLAN or 1 device, it works fine no problem.

  27 June 2015 23:59:56: % PORT_SECURITY-2-PSECURE_VIOLATION: security breach took place, caused by MAC address 34a8.4ea6.0f95 on port FastEthernet0/2.
  June 28, 2015 00:00:01: PM-4-ERR_DISABLE %: psecure-violation error found on Fa0/3, putting the Fa0/3 in State of err - disable
  June 28, 2015 00:00:02: % LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/3, changed state down
  June 28, 2015 00:00:03: % LINK-3-UPDOWN: Interface FastEthernet0/3, changed State to down
  June 28, 2015 00:00:04: PORT_SECURITY-2-PSECURE_VIOLATION %: security breach took place, caused by MAC address 34a8.4ea6.0f95 on port FastEthernet0/2.

  I know I'm missing something because I am new to using switchport security.  I am wanting to lock the ports to prevent devices not allowed to plug in on my network.  I have disabled all DHCP, but I want to take a little further and prevent them to enter the network even and probe the network.

  EDIT - You forgot to mention that it is a 2960 version 15.0 (2) SE5

  Thank you

  David

  David, Kevin,

  Let me join you.

  The way I see the Fa0/2 work with its original configuration is:

  • The maximum number of secure MAC addresses is 1.
  • Access to the VIRTUAL LAN is 1, the voice VLAN is 2.
  • The static safe MAC address 34a8.4ea6.0f95 is added to the access VLAN, not to the voice VLAN
  • When the phone starts to make known by the voice VLAN, MAC address cannot be dynamically added to the list because the maximum allowed number of MAC secure is 1 and the list is already full. The fact that its MAC address is configured statically is irrelevant, because it is not associated with the voice VLAN.

  Try to delete the line

  switchport port-security-address mac 34a8.4ea6.0f95

  and replace with

  voice of vlan switchport port-security-address mac 34a8.4ea6.0f95

  and see if it solves the problem.

  Best regards
  Peter

• switchport port-security problem

  Hi all

  I wanted to test using the switchport port-security with mac address fixed for voip and sticky for the vlan access.
  to do this, I created the following configuration:

  switchport port-security maximum 2
  switchport port-security
  aging of the switchport port security 5
  switchport port-security-address mac sticky
  voice of vlan switchport port-security-address mac e8ba.7006.59a4

  the problem is the mac address that switch learns to access vlan, never goes away even if the device is no longer connected.

  switchport port-security maximum 2
  switchport port-security
  aging of the switchport port security 5
  switchport port-security-address mac sticky
  switchport port-security-address mac c434.6b24.5db9 sticky vlan access
  voice of vlan switchport port-security-address mac e8ba.7006.59a4

  Can you help me?

  This should make them disappear without having to use any statement when the switchport learns a new mac again if his manual, you have to bounce the port as well

  Disable them sticky interface port-security

• Port security

  Dear all,

  someone has deploy the SMB switch (SRW series) port security?

  What should I do if I want to deploy this secanario?

  -a single port just for 1 mac address

  -If another mac address appears on this port, the port must be stopped

  Please help me.

  Thank you

  Is the SRW you reference, the new switch SRWxxx-K9 (300 series), or the older version of switch pre - 300 series?

  If the switch is a current product of the 300 series, the action on the switch port security violation might be, as taken from the guide of the administrator of the 300 series, highlighted in the red box. ;

  

• N2048 port security does not

  Hi Experts,

  Only, we have deployed a new site that uses the Dell N2048 switches in a stack.

  Now we would add port security to the switch, Port-MAC locking to lockdown one port if another computer.

  According to the manual, to put in place we only need of to the port to locked under the MISTLETOE under switching, network security, port security.

  This does not activate it.

  We tried to add via the command line, in the ports of test, it now shows:

  switchport security of dynamic ports 1

  Still, port security is not enabled. There is another thing that must be enabled in the world to do this job or other commands?

  Thank you

  The output of port security-# show is as follows:

  Port Security Administration Mode: enabled

  It is possible that the tests were not done fast enough. I spent the time-out and ask them to test again.

  Thank you

• Laboratory of port security exercise - do not behave as expected.

  Hello

  I'm working on a CCENT training lab to demonstrate the configuration of port security.

  I have a Catalyst 3550 switch software Cisco's IOS, software of C3550 (C3550-IPSERVICESK9-M), SE Version 12.2 (52), VERSION of the SOFTWARE (fc3). I have two computers connected on ports fa0/1 and fa0/2 with IP addresses of 10.0.0.20/24 and 10.0.0.12/24 respectively. Without active port security, each computer can ping successfully the other.

  As soon as I change the configuration to add port security on fa0/1 I am not able to ping between the two computers, nor can I ping 10.0.0.20 from the console of the switch, but I don't know why! If I delete it again the pings succeed again.

  I expect that the switch must learn the computer connected to fa0/1 MAC and stop if there is subsequently any traffic from another Mac.

  Interestingly, the 'show mac address-table' command shows that the MAC connected to fa0/1 when port security is not enabled. I don't know if this is relevant.

  Can someone help me diagnose what is happening?

  Thank you.

  Configuration before change:

  interface FastEthernet0/1

  switchport mode access

  Speed 100

  full duplex

  spanning tree portfast

  !

  interface FastEthernet0/2

  switchport mode access

  Speed 100

  full duplex

  spanning tree portfast

  !

  Configuration after modification:

  interface FastEthernet0/1

  switchport mode access

  switchport port-security

  Speed 100

  full duplex

  spanning tree portfast

  !

  interface FastEthernet0/2

  switchport mode access

  Speed 100

  full duplex

  spanning tree portfast

  !

  Other diagnoses (after change):

  S1 # show ip interface brief

  Interface IP-Address OK? Method State Protocol

  Vlan1 10.0.0.5 YES NVRAM up up

  FastEthernet0/1 no YES unset upward, upward

  FastEthernet0/2 not assigned YES unset upward, upward

  #show S1 port-security

  Secure the security Port MaxSecureAddr CurrentAddr SecurityViolation Action

  (County)       (County)          (County)

  ---------------------------------------------------------------------------

  FA0/1 1 0 0 stop

  ---------------------------------------------------------------------------

  Total addresses in the system (with the exception of a mac per port): 0

  Limit Max addresses in the system (with the exception of a mac per port): 5120

  S1 #show - interface fa0/1 port security

  Port security: enabled

  Port State: Secure-up

  Mode of violation: stop

  Aging time: 0 mins

  Type of aging: absolute

  Aging of SecureStatic address: disabled

  Maximum MAC addresses: 1

  MAC addresses total: 0

  Configured MAC addresses: 0

  Sticky MAC addresses: 0

  Last Source address: Vlan: 0000.0000.0000:0

  Security Violation count: 0

  S1 #show interfaces fa0/1

  FastEthernet0/1 is up, line protocol is up (connected)

  Material is Fast Ethernet, the address is 000f.f796.d781 (bia 000f.f796.d781)

  MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,

  reliability 255/255, txload 1/255, rxload 1/255

  Encapsulation ARPA, loopback not set

  KeepAlive set (10 sec)

  Full-duplex, 100 MB/s, media type is 10/100BaseTX

  input stream control is turned off, output flow control is not supported

  Type of the ARP: ARPA, ARP Timeout 04:00

  Last entry exit ever, 00:00:01, blocking exit ever

  Final cleaning of "show interface" counters never

  Input queue: 0/75/0/0 (size/max/drops/dumps); Total output drops: 0

  Strategy of queues: fifo

  Output queue: 0/0 (size/max)

  5 minute input rate 0 bps, 0 packets/s

  5 minute output rate 0 bps, 0 packets/s

  3494 packets input, 587250 bytes, 0 no buffer

  Received 1593 broadcasts (0 multicasts)

  0 Runts, 0 giants, 0 shifters

  entry 0, 0 CRC errors, frame 0, saturation 0, 0 ignored

  0 watchdog, 1254 multicast, break 0 comments

  entry packets 0 with condition of dribble detected

  39631 packets output, 3311977 bytes, 0 underruns

  0 output errors, 0 collisions, 1 interface resets

  0 babbles, collision end 0, 0 deferred

  carrier, 0 no carrier, lost 0 0 output BREAK

  output buffer, the output buffers 0 permuted 0 failures

  #show mac address table S1 | include DYN

  1 b827.ebed.e2d9 DYNAMICS Fa0/2

  S1 #show ip arp

  Protocol of age (min) address Addr Type Interface equipment

  Internet 10.0.0.12 5 b827.ebed.e2d9 ARPA Vlan1

  Internet 10.0.0.5 - 000f.f796.d780 ARPA Vlan1

  Internet 10.0.0.20 32 10dd.b1f1.0c64 ARPA Vlan1

  Do you have any other platform to configure your lab? because it should work ideally and the configuration is fine. However, to complete your lab, you already have workaround...

  I suspect that this question is something related to the hardware you use or due to a BUG.

  Please note the useful comment

• Port security and DHCP

  Hi all.

  I have configured the port security in some ports, and I don't think it handles images as it should. the following settings are

  -max: adds the correct number of MAC

  -permanent safe mode

  -throw

  I connect the legitimate devices to determine the maximum number of MACs, the port must learn and then I connect a device with Mac unsafe. I can get an IP address from the DHCP server, but no traffic is being so forward. I think that no legitimate unit should not be able to get an IP address as port security ignores all frames with an unknown source Mac

  Hi Stelios,

  Your configuration seems to be fine. Mine was connected only with the safety of ports and addresses max I put at 1. I see only 1 MAC address sends bootp all other devices connect via the switch on this port send no bootp.

  You could also make the capture of packets using the capabilities mirror port switch and application of wireshark. Devices are perhaps using old known IP addresses...

  Kind regards

  Aleksandra

• Cisco SG300 - 28 p - Port security issue.

  Hi, I would like to activate the port security on a Cisco SG300 PoE 28 p Switch. I would like to know how this can be done in cases where port is more connected to desktop switches 8 ports and in cases where computers are connected directly to the switch.

  Thanking you in advance,

  Parth.

  This is described in detail in the section 'Configuration of Port Security' on page 326 to 329 of the document Cisco Small Business 300 Series Managed Switch Administration Guide.

  The difference between a port serving a desktop switch and the other directly serving endpoint is just the number of MAC addresses that you want to leave.

  You have any specific questions?

• With the help of port security with Failover PIX

  Hello

  I want to configure port security on a switch in which a pair of PIX failover are configured. However, after

  http://www.Cisco.com/univercd/CC/TD/doc/product/LAN/cat6000/12_1e/swconfig/port_sec.htm

  It seems that this is not possible due to the PIX swapping MAC addresses: "If a workstation with a secure MAC which is configured or learned about a secure port address tries to access another secure port, a violation is marked."

  Does anyone know of a way around this?

  Many thanks in advance,

  Matt

  Hello Matt,

  Unfortunately it not there no work around to your problem.

  Thank you

  Renault

• Activation of port security on C4507R stop port

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

  Here is the config I am trying to configure

  switchport port-security

  switchport port-security maximum 2

  aging of the switchport port security 1

  inactivity of aging switchport port-security type

  The IOS version is. 12.2 (25) EWA8

  Try to rearrange the order in which you put orders in. Put 'switchport port-security' last, as immediately when you enter this command, port security is enabled with the default address value maximum 1 mac interface. If a port has two hosts on it before the next command affecting the maximum of 2 is entered, it will get turned off.

  Another option is to activate temporarily disable on error:

  errdisable recovery cause psecure-violation

  interval recovery errdisbale "seconds".

  Sent by Cisco Support technique iPad App

• Windows update error 646 for update of security on microsoft works 9

  Windows update error 646 for update of security on microsoft works 9

  See:

  http://support.Microsoft.com/kb/2258121

  TaurArian [MVP] 2005-2011. The information has been provided * being * with no guarantee or warranty.