Hi, I'm a beginner in using cisco switchs and routeurs. I need help to fix my project. I put the information on the diagram. When all the links are up, I can ping 8.8.8.8 behind the routers. But, when I cut the SW, I can't ping anymore.Also, the stan...
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I'm trying to assign Ips to all Networks with one DHCP Server. But the Server only receives the request, but doesn't send anything back. It only works for the Network the Server is a Part of.
Hello Engineers & Professionals, Everytime I check my switch logs, I am seeing the weired logs.Can anyone explain what this logs mean, and how to make it right? Another thing is 'HSTP'. This switch has configured pvst protocol. For your info...
Hello, My first time here and with a problem with a cisco router Please help me understand if there is a chance of doing something with it or buying a new one ( i like to struggle a little before just paying for a new one ... no pain no gain ) Probl...
Resolved! Nexus 3064 CPU spike and packetloss
I have L3 Cisco 3064PQ switch which is running latest "nxos.7.0.3.I4.7.bin" basically I am using for routing so my ISP 10Gbps link terminated on it and currently live traffic is 10Gbps on switch but i have notice periodic packetloss and not sure wher...
Hello, i'm building a Python Netmiko code to login to APIC, collect list of nodes, then attach to each node and run some commands that need to be done on the leaf itself (not from Apic via fabric command). Now, it seems the code can login (attach) ...
Resolved! I cannot SSH to the switch
Hello, I can't do the SSH from PC Technical Support to the switch.Currently, I have configured my switch as shown below: VLAN 99 Management (SwitchKL-Floor1)ip address 15.0.6.14 255.255.255.252ip default-gateaway 15.0.6.13 Technical Support VLAN (...
hi.This time, the communication related to the license authorize was blocked due to the firmware problem of the C9200L device, so the problem was solved through manual license key registration.Reference Manual: https://www.cisco.com/c/en/us/support/d...
Resolved! Cisco Switch IOS Update
I have a 48 port giga 3750 switch. I am unable to run BGP in this switch. IOS version is belowCisco IOS Software, C3750 Software (C3750-IPBASEK9-M), Version 12.2(55)SE4, RELEASE SOFTWARE (fc1)System image file is "flash:c3750-ipbasek9-mz.122-55.SE4/c...
Hi, I am planning to do stackwise virtual on C9500 but I can't use dac cable. Do stackwise virtual on C9500 use with fiber patch cord?. (I have to do this because location for 2 switches are in different building (400 m.)) Any suggestion or redir...
We have Cisco nx-os 3548 , the software version is nxos.9.2.2.bin. The switch periodically transmit some unknown 60 byte packets to the Unix machines connected to VLAN 1 access ports. On the unix server when we check the interface with ifconfig we se...
Hello, I have issues my PCs from KL Router cannot ping to ISP's Server.NameIP AddressISP Router192.168.10.2Internet Web Server182.10.0.2 I have configured my ACL Configuration on KL Router as shown below: ip access-list extended server-farmpermit ...
Hi everyone The last months I have received claims about slow performance of application of users, I checked the switches and detected an strange behavior of CPU, always over 40%.The CPU load is doing load-balancing? There is a process that always ge...
Hello. We have an estate of C9200 switches. They are all running the same IOS version 17.03.04b. Strangely, the interface OIDs for some of them are offset, see example below (Vlan 1 for one of them is in the middle, for the other at the end). This ...
Resolved! Basic VLAN setup
Hi Guys,I am new to networking. I have a lab with 1 firewall, 1 L2 switch and 4 PC. So I created 5 VLANS (1,10,20,30,40) in a single firewall interface with DHCP enabled. What I want to know is, how should I configure the switch so that my switch can...
