Hi folksLast days, I am receiving again and again the next log message: %IPV6_ND-4-DUPLICATE_OPTIMISTIC: Duplicate address FE80::5:73FF:FEA0:9 on GigabitEthernetx/xFE80, indicates is a link-local IPv6 address so I guess it shouldn't be an issue but I...

Hi folks,After Cisco Live 2020 I decided to boost my learning about Python and I begun to write my first functions and brief code. Now I tried to create a for looping for accessing all Cisco devices included in a list called: device_list but 'm getti...

Hi folks, I'm having my first steps in CTC software in order to manage DWDM Cisco Devices like MSTP. My surprise was when I saw "Shelf View" that in the Network Label exists protocols like OSPF and RIP. So far in fiber optic networks I'm not used to ...

Hi Folks! Anybody tried to create CCIE LAB on AWS using CSRV devices? I just read this: "You are not charged for the first Elastic IP address assigned to an instance" so maybe we can assign one EIP to EC2 and jump to the resto of CSRV devices. Becaus...

Hello, I have just used the rate limit calculator but after apply the next config on Cisco Router the Bc has different value.   CBCN-R_LAB-02#show policy-map interface fastEthernet 0/0 FastEthernet0/0  Service-policy input: SINGLE-RATE-2-COLOR    Cla...