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Hello,Has any one seen the issue when Cisco Nexus (Nexus 5672UP) has some strange behaviour - it says that Loops are detected and port-channel are disabled:2023 Mar 7 19:59:31 NET02A %FWM-2-STM_LOOP_DETECT: Loops detected in the network for mac f8f2....

from88 by Level 4
  • 1185 Views
  • 11 replies
  • 0 Helpful votes

Hello everyone; I would like to understand this strange situation. my laptop at home works the network card the lights come on; I take the laptop with the same cable to the company and the lights don't come on asnd the connection doesn't work. I conn...

is there any update on ISE configuration on ios xe switches from old ios switch ? I am facing  issue regarding authentication in cat 9ks.i replicate my old ios configuration on the new ios xe switches and from the switch client to getting authenticat...

Hi All Today i got error message from access switch, it comes up with %SPANTREE-SP-2-BLOCK_BPDUGUARD: Received BPDU on port FastEthernetx/x with BPDU Guard enabled. Disabling port. %PM-SP-4-ERR_DISABLE: bpduguard error detected on Fax/x, putting Fax/...

t-nms by Level 1
  • 374 Views
  • 2 replies
  • 0 Helpful votes

Hi All,I'm still trying to figure out the problem I posed in the following topic:https://supportforums.cisco.com/thread/2154555?tstart=30To do that I would like to be able to sniff the traffic traversing our 7k. However, as the 7k doesn't support rem...

mvknl by Level 1
  • 3843 Views
  • 9 replies
  • 0 Helpful votes

Hi ACI Guru's Could you please clarify the following? If i have 2 endpoints in same VLAN (example VLAN:10), in same EPG (eg EPG: XYZ). Endpoint one is connected to Leaf1 and endpoint 2 is connected to Leaf2.  for the above scenario, does correspond...

Would it be necessary to connect the two DC inputs of a Cisco IE2000 to the same power supply? In spite of the fact that this is not fully redundant, DC-A and DC-B inputs are connected to separate internal power supplies. Consequently, I believe both...

 Hi there,Is it necessary to connect the Cisco IE2000's two DC inputs to the same power supply? In spite of the fact that DC-A and DC-B are not fully redundant, each has its own internal power supply. This would allow DC-A and DC-B to be powered by t...

Hi there. A few hours old into networking and decided to do trunking. My PCs are able to ping their gateway, but unable to ping each other even on the same switch. I am however able to ping the ip address of the other switch. The 2 PCs on switch 1 wa...

Hello, I'm a bit confused regarding the correct implementation of DAI, I've read somewhere that the DHCP snooping binding table should be populated first before activating DAI, and it always work good like that, but what about new devices/users ? whe...

TrickTrick by Level 3
  • 2055 Views
  • 21 replies
  • 5 Helpful votes

Hi all Cisco 7600 - Version 15.3(3)S5 i have an ATM configured with subinterface, with internal VLAN assigned by IOS: interface ATM 1/0/0.500 point-to-point ip vrf forwarding VPN_A ip address 10.1.1.1  255.255.255.252 pvc 100/500 class-vc XDSL ...!en...

Luca CQ by Level 1
  • 520 Views
  • 4 replies
  • 0 Helpful votes

Hello,I am wondering if it is possible to map a vlan (C-VLAN) to an outer VLAN (S-VLAN) based on source MAC address. e.g if the traffic is coming on VLAN 1234 and the source MAC is the 1111.2222.3333, map this traffic to S-VLAN 5. If the traffic is c...

ez9 by Level 1
  • 655 Views
  • 7 replies
  • 1 Helpful votes