Connecting a managed Cisco switch to a smark Netgear switch via fiber

I'm racking my brain about what the issue could be. Very basic configurations, one vlan, the link lights are up on the fiber connection but there is no activity. Below is the Cisco config and the Netgear has the default configurations on it.version 12.1no service padservice timestamps debug uptimeservice timestamps log uptimeno service password-encryption!hostname NewBldg!enable secret 5 $1$MD5t$bylDlzLn0TWDZRMt5Y1Ck.enable password ***!ip subnet-zero!vtp mode transparent!spanning-tree mode pvstno spanning-tree optimize bpdu transmissionspanning-tree extend system-id!!!!interface FastEthernet0/1 switchport mode access spanning-tree portfast!interface FastEthernet0/2 switchport mode access spanning-tree portfast!interface FastEthernet0/3 switchport mode access spanning-tree portfast!interface FastEthernet0/4 switchport mode access...
This topic first appeared in the Spiceworks Community

I found this link very useful for connecting another router with an existing working router .........

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Using FCoE connection to non Cisco switches

Hello,
does anyone know what port configuration needs to be configured on a Nexus switch that is connected to say Brocade switch or any other vendor that supports FCoE. I have created VLAN to VSAN mapping, i assume next step is to create a vfc device ? Since this is not connection to an initiator or a target but another FCoE capable switch, how do i need to configure this vfc ? Any tips ?
Thanks

Hi,
Looks like from the document that you referenced that this switch runs in NPV mode for FCoE:
FCoE features
Fibre Channel over Ethernet (FCoE*)
FIP & FCoE packets are all forwarded when DCB is configured
* FCoE frames as defined by T11 Committee
So, I would configure the Cisco Nexus switch for FCoE and NPIV
Configure the Nexus 5000 for FCoE and NPIV
There are several procedures that are required in order to configure the Nexus 5000 for FCoE and NPIV:
    Enable Feature FCoE
    Enable N Port Identifier Virtualization (NPIV) on the Nexus 5000
    Enable Nexus 5000 Quality of Service (QoS) for FCoE
    Enable Link Layer Discovery Protocol (LLDP)
    Configure VLAN
    Configure VSAN
    Map the VLAN to VSAN
Example:
feature lldp
feature fcoe
feature npiv
interface vfc130
bind interface Ethernet1/30
switchport mode F
no shutdown
interface Ethernet1/30
switchport mode trunk
switchport trunk allowed vlan 1,100
spanning-tree port type edge trunk
vsan database
vsan 100 interface vfc130
vlan 100
fcoe vsan 100
Example of QOS:
system qos
service-policy type qos input fcoe-default-in-policy
service-policy type queuing input fcoe-default-in-policy
service-policy type queuing output fcoe-default-out-policy
service-policy type network-qos fcoe-default-nq-policy
Best regards,
Jim

Find IP address/machine connected to a cisco switch port

hello,
I need to know which IP/device is connecetd to a cisco Switch port.
I can get the mac-address of that switch port using sh mac-add command, but with the mac address how can i find that which ip belongs to this mac.
is there way i can do this, i know i can do the other way meaning with IP i can find to which port its connected ,but dont know how to find this MAC to IP with switch without the need for additional tools

Hey Anantha ,
Hop u r doing good,
If u dont know ip address of devices present on specific vlan and wanted to track end device ip address please try
follow this below
steps 1:ping it to brodcast ip address of subnet
for ex
R1--SW1--SW2--(H1
                             --H2
R1..1.1.1.1/24
H1..1.1.1.2/24
H2.1.1.1.3/24
So u r brodacast ip is 1.1.1.255
ping 1.1.1.255
Sending 1000, 100-byte ICMP Echos to 1.1.1.255, timeout is 2 seconds:
Reply to request 8 from 1.1.1.2, 28 ms
Reply to request 9 from 1.1.1.3, 64 ms
u will get reply from all host present on that segment and ur arp table will get flood with ip and respective mac on
your L3 device...(R1 in this example)
Step2: then u can use command
sh ip arp ..to see ip and respective mac associate with it
R1#sh ip arp
Protocol Address          Age (min) Hardware Addr   Type   Interface
Internet 1.1.1.1                 -   c000.2498.0000 ARPA   Vlan2
Internet 1.1.1.2                 0   c003.2498.0000 ARPA   Vlan2
Step3: see the mac learned from specific port
R1#sh mac address c003.2498.0000
Destination Address Address Type VLAN Destination Port
c003.2498.0000          Dynamic       2     FastEthernet1/1
Step4:If u have all cisco devices then u can use CDP
to check wht device connect to ur interface
R1#sh cdp ne fa1/1 detail
Device ID: SW1.lab.local
Follow this way, hop u will trace devices present on ur network
Hop this informative,
Regards,
Ashish shirkar

OID to find IP Address of devices connected to a Cisco Switch

Hi All,
Right now dot1dTpFdbPort(.1.3.6.1.2.1.17.4.3.1.2) OID is being used to find the mac address of the devices connected to a particular switch. It is being found out by passing the VLAN ID and dot1dTpFdbPort OID in the community string.(This is done using sharpsnmp , a C# Library). Is it possible to find the IP address of the devices connected to the switch in a similar manner?... Can specific OID be used for this purpose..
When we have the mac address we can use ARP method to get the device IP but then is it possible to get the IP address using OID?
Thanks in Advance.

I generally use either
WakeOnLan gives local network IP and MAC addresses
<http://www.macupdate.com/info.php/id/15779/wakeonlan>
or
Bonjour Browser
<http://www.macupdate.com/app/mac/13388/bonjour-browser>
These utilities tend to show the devices on the network.

What connection/cable could I buy to connect to my Cisco switch?

I'm in a purchase project of a new Gigabit switch for my company.
Currently my company has a "Catalyst 3560G-48TS". It has four additional ports called SFP that I supposed can be used to connect to another switch to constitute a sort of "backbone", right? I want to connect the current switch to the new one with as much transfer rate as possible. Ideally at least 5Gbps (yeah, if I use a single 1gbps cable, it's certainly not enough). Both switches will be separated at a distance of about 15m.
I know nothing about this SFP. Could someone tell me what are supported or supporting this? What cables should I buy? Optical fibers? What's the transfer rate could I expect from EACH SFP port?
Of course, I'm more interested to not so expensive solution, or at least a good quality/price ratio solution.
Thanks in advance.

SFP is a small form factor pluggable interface module (transceiver). The SFP port on the switch allows a user to insert a SFP module to meet the distance requirements between the interconnecting equipment.
According to the 3860 datasheet, the SFP ports are 1Gbps. The ports can be outfitted with a copper-based SFP module (100m maximum distance) or optical modules (short reach and long-reach, with wavelength dependent options as well). The copper-based SFP uses standard CAT 5 cabling with RJ45s. The optical SFPs will use optical jumpers with LC-type connectors, either with single- or multi-mode types of fiber, depending on the selected SFP.
The list of supported SFP modules is listed in the data sheet (link below).
Your network could use the CAT5 copper module (probably the lowest cost).
Hope this helps!
3560 Data Sheet:
http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps5528/product_data_sheet09186a00801f3d7d.html
SFP Data Sheet
http://www.cisco.com/en/US/prod/collateral/modules/ps5455/ps6577/product_data_sheet09186a008014cb5e.html

WLC4402 connect to non-cisco switch?

I have 2 WLC4402-50 connected to an Extreme Black Diamond chassis, using GLC-T. I have configured LAG on the controllers to support the number of AP's needed and I have configured the ports on the switch to use LaCP aggregation because that is what is available. Is this a supported configuration or do I just need to leave those ports as non-LaCP ports?

just to help out anyone else using extreme, here is how I got it to work
first I define the src-dst ip load sharing like this
Switch#. configure sharing address-based L2_L3_CHK_SUM
and then I configure sharing on the ports (the port number between the sharing and grouping is just the master port number for the share)
Switch#. enable sharing 3:26 grouping 3:26, 3:56 algorithm address-based
Switch#. enable sharing 3:28 grouping 3:28, 3:58 algorithm address-based
and then I do the vlan config like
Switch#. create vlan "Wireless"
Switch#. configure vlan Wireless tag 250
Switch#. config vlan "default" add ports 3:26, 3:28 untagged
Switch#. config vlan "Wireless" add ports 3:26, 3:58 tag

Two 3750G Switch via Fiber, MTU trouble, HELP!

Hello, I have switch1: 3750G 24TS-1U and switch2: 3750G 24TS-S.
Port 25 on switch1 is connected to Port 26 on switch2, both ports are set to be trunk ports
I have two windows 2008 servers: server1 and server2. Server1 is connected to port 18 on switch1 with IP 10.10.6.11,
server2 is connected to port 23 on switch2 with IP 10.10.6.12.
MTU on both switches are set to be 1500, MTU on the two windows 2008 servers are also 1500.
OK, now the problem:
If I logon to server1(10.10.6.11), and issue the following command:
ping -f -l 500 10.10.6.12, return is OK
ping -f -l 600 10.10.6.12, timeout!
I get timeout on the second command with packet size 600, why? Can anyone please help to explain what is my problem here?
Thanks.

Assuming microsoft ping -l is the send buffer size which may (or may not) be equal to the MTU. -f is the do not frag flag.
take a look at this document, under the extended commands.
http://www.cisco.com/en/US/partner/tech/tk365/technologies_tech_note09186a0080093f22.shtml

3640 router and 2950 switch via fiber

hi all,
is it possible to get a 3640 router with a NM-1FE-FX(100basefx) module and a WS-C2950C-24(100basefx) switch and setup 802.1q between them??
TX

If you wan to trunk between them then the answer is yes you can trunk between as long as the router has a newer version of code on it like 12.2

Cisco switches

Can I connect Huawei S2700 switch with Cisco switches via fiber?

Yes, you can do the connection on
Huawei S2700, just make sure they use optic transceiver with the same wavelength.

Connecting " HP Blade System C7000 enclosure" to Cisco Switch

Dear
We moved our data center from on place to another .The network cabinet includes " HP Blade System C7000 enclosure". we have two vlans , one of them is DMZ. In the old place , the HP Blade was connected to two Cisco switches ,on one of them DMZ port was configered and on the another Cisco switch non-DMZ port was configured .Now our " HP Blade System C7000 enclosure" use one CISCO switch and the DMZ and non-DMZ ports are configured on the same CISCO switch and when we restart any server from any vlan ,the server will not be able to connect to the network although all of the servers have static IPs.
and after logon to the server , a message appears telling us there is a conflict with the mac address of the gateway. the same mac address conflicts when restarting any server from any vlan.
Would you help?
Thanks

I'd suggest asking your question in the Enterprise section of HP's support forums.
This section is for consumer devices.
WyreNut
I am a Volunteer here, not employed by HP.
You too can become an HP Expert! Details HERE!
If my post has helped you, click the Kudos Thumbs up!
If it solved your issue, Click the "Accept as Solution" button so others can benefit from the question you asked!

Need CISCO switch which support 10 GBPS Traffice

Hi all,
In my data center currently I have 13 servers with Cisco Ethernet switch which supports 1 GBPS network that switch is up-linked with a sonicwall firewall.
We recently bought a new sonicwall firewall which has a two 10GE port.So I am looking now a cisco switch which has at least 16 10GE Fiber ports and one/two 1 GB Ethernet ports.That one 1 GB ports will connect to existing cisco switch and 16 GE FC ports will connect to firewall and as well as all server which I am planning to move one by one as we buy 10 GB supported SFC Network adapter cards for these servers.
Can you guys suggest me a Cisco Switch with 10 GE Fiber supported with 1/2 1 GBPS ethernet.Also if you can suggest me 10 GE Supported SFC adapters for Dell R 710,R720 and IBM x3550,M4 and IBMx3650 M4 servers.
Thank You

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Interconnecting cisco switches with non-cisco switches

I need help concerning interconnecting two Cisco switches (3550s) using a non-Cisco switch or hub on the LAN. I have noticed that the two Cisco switches connected using a non-Cisco switch are able to communicate well, however a PC connected to the non-Cisco switch/hub can not ping any device on the LAN. The non-Cisco device is a working one. When the two Cisco switches are connected using a Cisco switch, PCs connected to the interconnecting switch are able to ping. Whats the explanation? Please help.

Building configuration...
Current configuration : 3342 bytes
! No configuration change since last restart
version 12.1
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
clock timezone GMT -2
ip subnet-zero
ip rcmd rcp-enable
ip rcmd remote-username cwuser
spanning-tree mode pvst
spanning-tree extend system-id
interface FastEthernet0/1
switchport mode dynamic desirable
interface FastEthernet0/2
switchport mode dynamic desirable
interface FastEthernet0/3
switchport mode dynamic desirable
interface FastEthernet0/4
switchport mode dynamic desirable
interface FastEthernet0/5
switchport mode dynamic desirable
interface FastEthernet0/6
switchport mode dynamic desirable
interface FastEthernet0/7
switchport mode dynamic desirable
interface FastEthernet0/8
switchport mode dynamic desirable
interface FastEthernet0/9
switchport mode dynamic desirable
interface FastEthernet0/10
switchport mode dynamic desirable
interface FastEthernet0/11
switchport mode dynamic desirable
interface FastEthernet0/12
switchport mode dynamic desirable
interface FastEthernet0/13
switchport mode dynamic desirable
interface FastEthernet0/14
switchport mode dynamic desirable
interface FastEthernet0/15
switchport mode dynamic desirable
interface FastEthernet0/16
switchport mode dynamic desirable
interface FastEthernet0/17
switchport mode dynamic desirable
interface FastEthernet0/18
switchport mode dynamic desirable
interface FastEthernet0/19
switchport mode dynamic desirable
interface FastEthernet0/20
switchport mode dynamic desirable
interface FastEthernet0/21
switchport mode dynamic desirable
interface FastEthernet0/22
switchport mode dynamic desirable
interface FastEthernet0/23
switchport mode dynamic desirable
interface FastEthernet0/24
switchport mode dynamic desirable
interface GigabitEthernet0/1
switchport mode dynamic desirable
interface GigabitEthernet0/2
switchport mode dynamic desirable
interface Vlan1
ip address
ip default-gateway
ip classless
ip http server
snmp-server community
snmp-server community
snmp-server location
snmp-server system-shutdown
snmp-server enable traps snmp authentication warmstart linkdown linkup coldstart
snmp-server enable traps config
snmp-server enable traps entity
snmp-server enable traps flash insertion removal
snmp-server enable traps bridge
snmp-server enable traps stpx
snmp-server enable traps rtr
snmp-server enable traps port-security
snmp-server enable traps vtp
snmp-server enable traps vlancreate
snmp-server enable traps vlandelete
snmp-server enable traps envmon fan shutdown supply temperature status
snmp-server enable traps MAC-Notification
snmp-server enable traps hsrp
snmp-server enable traps cluster
snmp-server enable traps copy-config
snmp-server enable traps syslog
snmp-server enable traps vlan-membership
line con 0
line vty 0 4
login
line vty 5 15
login
ntp clock-period 17180064
end

Ce 500 non-cisco switch

How should I configure the smartport on a catalyst express 500 switch if I am connecting a non-cisco switch like a small linksys. I dont think I can make the smartport a switch because it tries to trunk?? right??
And if I leave it as a PC it complains abouting having to many devices connected to it.
Would having it configured as something like an access point work??

Now, I noticed something very odd, I kept the switch option selected on the port on the ce 500 that the linksys was plugged in to and the devices plugged in downstream behind the linksys all kept the correct VLAN assignment. Phones were in the voice vlan and PC's were in the data vlan. Does not really make sense to me how this is working??

Uplinking 2 x 2950SX switches via MTRJ ports

Hi,
While trying to connect 2 x 2950SX switches via their MTRJ ports, using a 2m MTRJ fibre cable, I received no activity on the ports.
I have tested the ports using the WAN uplink and they activate, therefore I know the ports themselves are fine.
I have tried two MTRJ cables, to rule out any cable failures, but the results were the same.
Is there a limitation on the minimum distance of a MTRJ cable for connecting these switches, e.g. should I be using a 3m cable?
Currently having to use a cross-over cable to link the switches.
Thanks
Colin

Hi Amit,
Thanks for your swift response. Really appreciate it.
I have checked the cable and it is an MT-RJ to MT-RJ Multimode fibre cable, 2m in length. The uplink cable to the WAN is a 5m MT-RJ to SC Multimode cable and works fine in any port on either switch.
I have checked the 2m cable and there are no breaks.
I checked the configuration of the two switches and ensured that switchport mode trunk was enabled both ends.
I don't understand why we don't get any link lights when the ports are connected.
Thanks
Colin

Management port in Cisco Switches (are they really physical port)

Hi all,
I have been taught to console into my cisco switch for configurations through console cable + putty (serial terminal).
Then I have been taught to configure a management ip and gateway on the cisco switch.
Switch# conf t
Switch(config)# interface vlan 1
Switch(config-if)# ip address 192.168.1.11 255.255.255.0
Switch(config-if)# no shut
Switch(config-if)# exit
Switch(config)# ip default-gateway 192.168.1.1
All the while, i thought this is the way to remote in to the switch via putty/telnet through the network to configure the switch, until i saw the picture below (cisco catalyst 2960)
=======================================
There is a physical port call ethernet management port. What is it ? What is the difference between this port and the earlier example of setting a management ip in VLAN 1 ?
If i set an IP on this particular interface and I ssh in, will i see the same screen/display/console from the earlier example in which i set a management ip in VLAN1 and I ssh in ?
Regards,
Noob

Hi Leo,
Sorry if you find it hard to explain to me.
I have understood to think of the ethernet management port as a separate entity from the original switch.
Maybe with the help of the diagram below, can you let me know if i have understood correctly ?
*please assume connected port is a management port separated from the normal switch ports
q1) does the ethernet management port need to be connected to another switch ?
I have thought of it as a device on the network and it is mentioned by you previously that it will be connected to a switch
"he traffic goes up the cable connected to the Management port and up a switch. Now that switch holds all the information because it is a switch. "
q2) In the current setup then, terminal B will be able to access the management port - am i right ?
q3) you mentioned that the management port is not able to set any gateway, (which is the router fe0/5 - 192.168.0.3 in my illustration), in that case do you mean that terminal A will not be able to access the management port remotely and it can only be accessible locally ?
Please do correct me if my understanding is wrong.
Thank you so much for your advices.
Regards,
Noob

Connecting a managed Cisco switch to a smark Netgear switch via fiber

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