MGBLX1 & Cisco SG300-28

I am trying to connect the 2 Cisco SG300-28 switch using the MGBLX1 module with a single mode fiber cable. When I inserted & removed the module it detected (see attached screenshot) but when I see the optical module it is not detected (see attached screenshot), the shared port of mini-gbic is not blinking. Is there are any compatibility issues with switch, module or single mode fiber? What is the minimum distance of single mode fiber optic cable? Do I need to configure the switch to enable the mini-gbic?

I tried your suggestion but there is no light in the shared port. I will try a patch cable to test the module. How do I know if the module is defective?
Below are the logs.
Optical Module Status Table
Port
Temperature
Voltage
Current
Output Power
Input Power
Transmitter Fault
Loss of Signal
Data Ready
GE27
N/A
N/A
N/A
N/A
N/A
N/A
N/A
GE28
N/A
N/A
N/A
N/A
N/A
N/A
N/A
2147483606
2013-May-02 22:58:48
Informational
%Fiber-I-SFP-PRESENT-CHNG: gi27 SFP status is present.     
2147483607
2013-May-02 22:58:43
Informational
%Fiber-I-SFP-PRESENT-CHNG: gi28 SFP status is not present.  

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    error: %Box-F-INVALID-PARAM-SETTING: Function BOXG_poe_i2c_read_mem_byte: invalid param recv_byte_PTR value = 0 ***** FATAL ERROR *****  Reporting Task: HCPT. Sof tware Version: 1.3.7.18 (date  12-Jan-2014 time  18:02:59) 0x16adc8 0x166f34 0x6df974 0x48fd60 0x490670 0x490890 0x9af988 0x9be7d8 0x98a710 0x98ab8c 0x98ad60 0x98e6f4 0x990128 0x982ddc 0x994cf0 0x962c24 0x965604 0x94a960 0x94b688 0x1223fc ***** END OF FATAL ERROR *****   
    What does this error mean? 
    Thanks for help!
    Martin

  • Cisco SG300-28 / SGE2000 / Catalyst 2960

    Hello everyone,
    I'm looking for switch to accompany Cisco ASA 5520 in data center, with 20+ GE ports and no need for PoE.
    I would like to understand the difference between Cisco SG300-28, Cisco SGE2000 and Cisco Catalyst 2960, 2960-C and 2960-S Series (except specific number of ports). As far as I can see the Cisco SGE2000 has 4x SFP and is stackable unlike the SG300 with 2x miniGBIC/SFP, but not much else. Cisco Catalyst 2960 series offers some additional features like USB storage, but I can't imagine I will need that.
    Any suggestions?
    Thank you
    Dan

    Hello everyone,
    I'm looking for switch to accompany Cisco ASA 5520 in data center, with 20+ GE ports and no need for PoE.
    I would like to understand the difference between Cisco SG300-28, Cisco SGE2000 and Cisco Catalyst 2960, 2960-C and 2960-S Series (except specific number of ports). As far as I can see the Cisco SGE2000 has 4x SFP and is stackable unlike the SG300 with 2x miniGBIC/SFP, but not much else. Cisco Catalyst 2960 series offers some additional features like USB storage, but I can't imagine I will need that.
    Any suggestions?
    Thank you
    Dan

  • Cisco SG300 VLAN rate-limit

    I have a Cisco SG300 small business switch and 541 APs. There are 2 VLANs in our network. One must be limited by bandwidth. Does anyone have an idea for configure vlan rate-limiting on SG300? And please describe CIR & CBS for me. Thanks.

    http://www.cisco.com/en/US/partner/products/ps10898/prod_command_reference_list.html
    Cisco Small Business 300 Series Managed Switches Command Line Interface Guide Release 1.3
    Select CIR and CBS according to your design. You can use a larger CBS when performance is not ideal.
    49.23 rate-limit (VLAN)
    Use the Layer 2 rate-limit (VLAN) Global Configuration mode command to limit the
    incoming traffic rate for a VLAN. Use the no form of this command to disable the
    rate limit.
    Syntax
    rate-limit vlan-id committed-rate committed-burst
    no rate-limit vlan
    Parameters
    • vlan-id—Specifies the VLAN ID.
    • committed-rate—Specifies the average traffic rate (CIR) in kbits per second
    (kbps). (Range: 3-57982058)
    • committed-burst—Specifies the maximum burst size (CBS) in bytes.
    (Range: 3000-19173960)
    Default Configuration
    Rate limiting is disabled.
    Committed-burst-bytes is 128K.
    Command Mode
    Global Configuration mode
    User Guidelines
    Traffic policing in a policy map takes precedence over VLAN rate limiting. If a
    packet is subject to traffic policing in a policy map and is associated with a VLAN
    that is rate limited, the packet is counted only in the traffic policing of the policy
    map.
    This command does not work in Layer 3 mode. It does not work in conjunction with
    IP Source Guard.
    Example
    The following example limits the rate on VLAN 11 to 150000 kbps or the normal
    burst size to 9600 bytes.
    switchxxxxxx(config)# rate-limit 11 150000 9600

  • Packdrop on Cisco SG300-28

    Hi,
    We have Cisco SG300-28 in our server room which is connected with Cisco 3750 from where it get the uplink. There are 10 ESXi servers connected on SG300. Switch gets more the 100 VLAN via trunk. My issue is, while pinging any of the ESXi VMs which are in different vlan from laptop connected to 3750, a lot of packet drop is observered. Issue is only seen on SG300. We have other switch connect to 3750 on which other ESXi servers are connected but dont see a single packet drop on that. Amount of traiffic flow is not much high. Is SG300 capable enough to take such traffic??
    I see lot of Tail drop packet on QoS menu of switch's UI.

    trust me i am also heaving the same issue with my 3 Cisco SF300-24 ports ad i need the same what you was looking forward for...
    can you please check my question and comment what i am missing :(
    Aside to this i will try creating Vlans on my client switch without assigning the ip address as it's already assign and created on core switch.
    Thanks,
    Sandy

  • Cisco sg300

    Добрый день, подключаю трансивер mgbbx1 на одном волокне к Cisco sg300-20. Циска видит его определяет модель, но при подключении оптического волокна сигнал не передается, расстояние подключения 200м и 3 км. Подскажите пожалуйста подключить два оборудования через транс веры. Пожалуйста срочно нужно. 

    Hi Mark,
    The led is green, also the status is connected
    SwInter1#sh interface status
                                                                        Flow  Link          Back    Mdix
    Port     Type         Duplex  Speed Neg      ctrl State       Pressure Mode
    gi1      1G-Copper      --      --     --     --  Down           --     --
    gi2      1G-Copper      --      --     --     --  Down           --     --
    gi3      1G-Copper      --      --     --     --  Down           --     --
    gi4      1G-Copper      --      --     --     --  Down           --     --
    gi5      1G-Copper      --      --     --     --  Down           --     --
    gi6      1G-Copper      --      --     --     --  Down           --     --
    gi7      1G-Copper      --      --     --     --  Down           --     --
    gi8      1G-Copper      --      --     --     --  Down           --     --
    gi9      1G-Combo-C     --      --     --     --  Down           --     --
    gi10     1G-Combo-F   Full    100   Disabled Off  Up          Disabled Off
    When I insert the spf module, this appears in the log
    6-Mar-2014 19:04:22 %Fiber-I-SFP-PRESENT-CHNG: gi10 SFP status is present.
    06-Mar-2014 19:04:23 %HAL_config_phy-I-CHNGCOMBOMEDIA: Media changed from copper
     media to fiber media (Unknown) on port gi10.
    06-Mar-2014 19:04:24 %LINK-I-Up:  gi10
    06-Mar-2014 19:04:24 %LINK-I-Up:  Vlan 1
    06-Mar-2014 19:04:29 %STP-W-PORTSTATUS: gi10: STP status Forwarding
    The ports are simply configured with speed 100. It's being used only  vlan 1.
    Thanks

  • LAG configuration issue on Cisco SG300 52 Switch

    Hi everybody,
    I am having an issue with LAG configuration on a Cisco SG300 52 switch. I have connected four Ge ports on the switch to the four NICs of a Dell R710 Server on which I installed Windows Server 2008 R2. Without LAG configured, these ports would forward traffic to and from the Dell server fine. However, if I configure LAG on the ports with LACP enabled, then they would not forward any network traffic. Debugging shows that the ports are up but their forwarding status show N/A. Am I missing any configuration? Can I configure LAG on edgeports? Or is there any compatibility issue?
    Any help  from you guys will be greatly appreciated.
    Thank you.
    Vishal

    Hi Dave,
    Thank you for your quick response and sorry to have looked at it late. Well, I already resolved the issue and like you pointed out, it was the configuration of the Dell NICs. I had to configure NIC teaming and there was a bug with the Broadcom NIC management software. I had to download this piece of software again and I was then able to configure NIC teaming on it. I initially thought that it was already configured because we got the Dell server "pre-installed with pretty much everything".
    Anyway thank you for your assistance. Oh I have a question though if you don't mind clearing my doubt. We have bought 7 of these SG300 Switches and I would like to use all of them
    in a hierarchical design as core, distribution and access layer switches because I believe this switch has got all the qualities to be used at all the three layers. We have about 100 users in our company at the moment but expecting growth of about 10-20 employees per year. Would you think a hierarchical network design for a 100 users is a bit of an overkill? Would you think these SG300 switches can handle network traffic at the distribution and core layers? I worked out the average daily traffic is only about 4 Mbps.
    Thank you for your valuable guidance.
    Kind regards,
    Vishal
    Date: Mon, 12 Sep 2011 08:09:40 -0600
    From: [email protected]
    To: [email protected]
    Subject: - Re: LAG configuration issue on Cisco SG300 52 Switch
    Cisco Support Community
    Re: LAG configuration issue on Cisco SG300 52 Switch created by David Hornstein in Small Business Switches - View the full discussion
    Hi Chundunsing,
    Thank you for the purchase of my switch.
    Chundunsing, I love the way you worded your question ; "I am having an issue with LAG configuration on a Cisco SG300 52 switch." ,but seriously you are having a problem with interfacing the dell with my switch.
    You have LAG working to the Dell R710 teamed NICs and god knows what NICs or drivers you are using to acheive this.
    Now LAG is providing , load balancing between the LAG ports.
    Now LAG is providing , link redundancy for connectibity to the Dell R710.
    If there is a configuration issue , it sure seems the way you have it configured without LACP is still working. But you have the option when you create a LAP group to enable LACP. You can see this as a tick box in the LAG group.
    But might i also install, recently firmware version 1.1.1.8, just came out.
    Please be sure to;
    Step 1. update the firmware on the switch and
    Step 2. select it as the 'active image.'
    Step 3 rebbot the switch to utilize this active image.
    If you are having any trouble doing this the admin guide references how to achieve this. for your concenience I have atteched the guide to this posting.
    regards Dave
    Reply to this message by going to Cisco Support Community
    Start a new discussion in Small Business Switches at Cisco Support Community

  • Cisco SG300-10 spf module not recognized

    Hi all, I have 2 Cisco SG300-10 switches with MFEFX1 spf modules. Although these modules should be supported, it seems they are not working properly.
    If I execute SH fiber-ports optical-transceiver I get
    SwInter1#show fiber-ports optical-transceiver interface gi10
       Port      Temp  Voltage Current Output Input LOS
                                       Power  Power
       gi10      N/S     N/S     N/S    N/S    N/S  N/S
     Temp         - Internally measured transceiver temperature
     Voltage      - Internally measured supply voltage
     Current      - Measured TX bias current
     Output Power - Measured TX output power in milliWatts
     Input Power  - Measured RX received power in milliWatts
     LOS          - Loss of signal
     N/A - Not Available, N/S - Not Supported, W - Warning, E - Error
    Could you help me with this?
    Thanks in advance

    Hi Mark,
    The led is green, also the status is connected
    SwInter1#sh interface status
                                                                        Flow  Link          Back    Mdix
    Port     Type         Duplex  Speed Neg      ctrl State       Pressure Mode
    gi1      1G-Copper      --      --     --     --  Down           --     --
    gi2      1G-Copper      --      --     --     --  Down           --     --
    gi3      1G-Copper      --      --     --     --  Down           --     --
    gi4      1G-Copper      --      --     --     --  Down           --     --
    gi5      1G-Copper      --      --     --     --  Down           --     --
    gi6      1G-Copper      --      --     --     --  Down           --     --
    gi7      1G-Copper      --      --     --     --  Down           --     --
    gi8      1G-Copper      --      --     --     --  Down           --     --
    gi9      1G-Combo-C     --      --     --     --  Down           --     --
    gi10     1G-Combo-F   Full    100   Disabled Off  Up          Disabled Off
    When I insert the spf module, this appears in the log
    6-Mar-2014 19:04:22 %Fiber-I-SFP-PRESENT-CHNG: gi10 SFP status is present.
    06-Mar-2014 19:04:23 %HAL_config_phy-I-CHNGCOMBOMEDIA: Media changed from copper
     media to fiber media (Unknown) on port gi10.
    06-Mar-2014 19:04:24 %LINK-I-Up:  gi10
    06-Mar-2014 19:04:24 %LINK-I-Up:  Vlan 1
    06-Mar-2014 19:04:29 %STP-W-PORTSTATUS: gi10: STP status Forwarding
    The ports are simply configured with speed 100. It's being used only  vlan 1.
    Thanks

  • Need SNMP OID for MSTP status in Cisco SG300-28MP 28-port Gigabit Max-PoE Managed Switch

    Hi,
    I have configured redundant network using two Cisco SG300-28MP 28-port Gigabit Max-PoE Managed Switch through MSTP & it's working fine.
    I need OID of MSTP status from which I can monitor which Switch is active and which one is in standby mode.
    Please help.
    Thanks,
    Harsha 

    Hi Harsha,
    check these OID's:
    http://tools.cisco.com/Support/SNMP/do/BrowseOID.do?objectInput=1.3.6.1.4.1.9.9.500.1.2.1.1.6&translate=Translate&submitValue=SUBMIT
    http://tools.cisco.com/Support/SNMP/do/BrowseOID.do?objectInput=cRFStatusUnitState&translate=Translate&submitValue=SUBMIT&submitClicked=true
    Thanks-
    Afroz
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