Latest posts
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ISR 4331/4531 features in Evaluation mode
Below are the features available in Evaluation mode. #sh license feature Feature name Enforcement Evaluation Subscription Enabled RightToUseappxk9 yes yes no no yes uck9 yes yes no no yes securityk9 yes yes no yes yes ipbasek9 no …
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Catalyst 9000 License
The previous cisco licensing is divided into three following feature sets: A. LAN Base: It is primarily a Layer 2 feature set which offers enterprise access layer 2 switching features. It doesn’t provide any l3 functionality. B. IP Base: It provides the enterprise access layer 3 switching features in addition to all LAN base features.…
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Install python and Paramiko on windows machine
We can follow below procedure to install Python on windows machine. Paramiko package is required for the ssh functionality wihtin the python. We cannot install the package directly and require a package manager called PIP. Below is the procedure to isntall paramiko on the windows box. STEP A: Install Python: 1. Create a folder Python…
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3850 stack requirement
3850 stackwise-480 supports mixed stack which means any model of 3850 cannot be used in a stack. Whereas License(LAN base, IP base or IP services( and IOS XE version must be same on all stack switches. for example, Catalyst 3850 switches with LAN Base feature can only be stack with other 3850 LAB switches. Maximum…
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Cisco ACI Multi-Pod IPN Configuration Explained (Design, Requirements & Best Practices)
Introduction In Cisco ACI Multi-Pod architecture, the Inter-Pod Network (IPN) is a critical component that connects spine switches across different pods. A properly designed IPN ensures stable control plane communication, efficient traffic forwarding, and overall data center reliability. This guide explains IPN configuration requirements, supported hardware, and key design considerations for real-world deployments. Why IPN…
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Trunk — Choose if traffic from the host is tagged with a VLAN ID. Access — Choose if traffic from the host is tagged with an 802.1p tag. Access Untagged — Choose if the traffic from the host is untagged
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SSH accessibility check of multiple cisco router and save the output in a file
import paramiko import time import sys import logging import socket remote_conn_pre = paramiko.SSHClient() remote_conn_pre.set_missing_host_key_policy(paramiko.AutoAddPolicy()) f= open(“output.txt”,”w+”) ips = [i.strip() for i in open(“ip.txt”)] import logging logging.getLogger(‘paramiko.transport’).setLevel(logging.DEBUG) paramiko.util.log_to_file(“logs”) for ip in ips: try: remote_conn_pre.connect(ip, username=’test’, password=’test’, timeout=4, look_for_keys=False, allow_agent=False) remote_conn = remote_conn_pre.invoke_shell() …
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SSH accessibility check on mulitple routers
Make a notepad contain IP address of the routers where we need to check the SSH accessibility. import paramiko import time import sys import logging import socket remote_conn_pre = paramiko.SSHClient() remote_conn_pre.set_missing_host_key_policy(paramiko.AutoAddPolicy()) ips = [i.strip() for i in open(“ip.txt”)] for ip in ips: try: remote_conn_pre.connect(ip, username=’test’, password=’test’, timeout=4, look_for_keys=False, allow_agent=False)…