Hi guys, I am trying to configure my C3750X(ip base) switch to send the netflow ingress and egress on uplink to a netflow collector. My switch model is WS-C3750X-48PF-S and the module I am using is C3KX-NM-10G So far below is my configuration in ...
I am trying to track down some bizarre traffic. I see 6-7Mbps at about 5000 packets per second of traffic that netflow is just showing as 0.0.0.0 source and 0.0.0.0 distination with ports of 0000. I just have the netflow applied to one vlan interfa...
Hi all,We have 8 stacks of 2960Xs, which we installed earlier this year. For the past few months, we have been running into many issues with port security. It started with ports with IP phones. We originally used a port security max of 2 (one for ph...
hi, when you want to establish an adjecency using these protocols EIGRP and OSPF, in EIGRP when you configure router eigrp 100 , this AS ID should be identical on both routers, but in OSPF, router ospf 100 , this is not required on other router, wh...
I want to write a script for resetting the CISCO switch, by which I can just copy and paste it on HyperTerminal and Switch is reset and automatically booting, any help will be appreciated. Thanks
Hi, Can you confirm if these VLSM are incorrect?: • netB—192.168.7.0/28 address range 0 to 7 • netC—192.168.7.8/28 address range 8 to 11 Also 10.10.48.0/24 is not summarized by 10.10.0.0/19 right ? http://www.cisco.com/c/dam/en/us/solutions/colla...
Hello Dears, I would like know why does it show the following performance parameters at 64-bytes L3 packets to the two Catalyst switch families: Cisco Catalyst 2960XR-24TD-I Cisco Catalyst 3650-24TD-S ...
I want to test all 48 ports of 3750 switches same time,is there any command to test these port without using Cat5 cable in single port?
I want to lock the switchport in such a way that it only allow one end device to be connected and no two more devices are connected using a AP or another switch or a hub. I don't want to reserve MAC address for the switchport. Instead, I just want to...
I just replaced all of our older switches out with newer Gig-port switches. I noticed that the network speed didn't increase like I had hoped for. We have workstations plugged into VOIP phones that have ports only rated for 10/100. Is there anything ...
Hi All, We have 2 switches(voice switc) interconnected with few SVI( HSRP). Here what is the issue is we are unable to ping from different vlan hosts. We verified ip routing is enabled even we can ping from different SVI but not able communicate fro...
I am trying to configure EIGRP authentication on a Cisco 3750 switch following version: System image file is "flash:/c3750-ipservicesk9-mz.122-55.SE8.bin" I can create the key chain without an issue, but when I go into an interface Fa1/0/12 for exam...
Hello! We detect strange situation in our product environment with OSPF. Screenshot from router console attached. Neighror with ID 172.30.255.21 absent in neighbor table, but command sh ip route display route to network through this neighbor: Routi...
Hi this is a really silly question, but please advise me as I am confused. I know BPDU is used for spanning-tree, which is layer2. What happens when I connect a router to a BPDUguard-enabled interface of a switch? Will it err-disable the port or can...
Hi,A computer is connected to a Cisco IP Phone. Once in a while, the port gets err-disabled and we receive a user complaint. Switch logs show the following:Dec 26 18:10:31.872 CET: %SPANTREE-2-BLOCK_BPDUGUARD: Received BPDU on port Fa1/0/32 with BPDU...
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