Tag: cisco

Extending the python script to configure OSPF with ncclient

Previously I have successfully download the configuration from the netconf enabled router, now i have extended support to configure ospf. This is a simple lab to further extend and get myself familiarize and comfortable with netconf. During the lab I was careless, I inadvertently left a space on my netconf snippet that breaks my script … Continue reading Extending the python script to configure OSPF with ncclient →

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Testing menu and netmiko in python

Background This is a testing code to try out on a simple interactive text menu with two options, download cisco config and quit. I want to extend this config to have an interactive menu and prompt to configure cisco routers. Here's the code: The output Invalid selection ------------------------------ Menu ------------------------------ 1. Download Current Config 2. … Continue reading Testing menu and netmiko in python →

Anyconnect VPN using local account

Network diagram Configure inside and outside interface ciscoasa(config)# int gi0/1 ciscoasa(config-if)# nameif outside INFO: Security level for "outside" set to 0 by default. ciscoasa(config-if)# ip address dhcp setroute ciscoasa(config-if)# no shut ciscoasa(config-if)# int gi0/0 ciscoasa(config-if)# nameif inside INFO: Security level for "inside" set to 100 by default. ciscoasa(config-if)# ip address 172.18.1.1 255.255.255.224 ciscoasa(config-if)# no shut … Continue reading Anyconnect VPN using local account →

Cisco Systems: Spanning tree inconsistent port

Problem The topology is arranged in a star, a links terminate at a pair of Cisco 4503-E switches, problem occurred that some switches could not reach the Cisco 4503-E switches after the 4503 switches became primary and secondary root. Solution Desg BKN*4 the port is blocked although it should be forwarding. The blocking is due … Continue reading Cisco Systems: Spanning tree inconsistent port →

Cisco Unified Communications Manager Installation

Platform: Cisco UCS C210 M2, 48GB RAM, 10x 300GB SAS HDD. Slot 1 and 2 are RAID1, SLOT3-10 are RAID5. Software: Cisco Unified Communications Manager, Unity Connection/BE/SME Installing the software is not a direct insert DVD into the server process. The actual process is a pain in the neck. The Cisco Unified Communications Manager DVD … Continue reading Cisco Unified Communications Manager Installation →

Cisco IE3000: Resilient Redundancy Protocol

IE3000 is a din-rail mount switch with eight fast ethernet copper ports and two gigabit ethernet combo ports. People who worked for datacentre, enterprise, and ISP might not have seen or used this kind of switch before. The IE3000 is designed for used in Industrial network, most of the control systems like PLCs are mounted … Continue reading Cisco IE3000: Resilient Redundancy Protocol →

Tshoot: High CPU utilization while flexlink and multicast were operating.

Equipments and tools 1. Windows 2003 server with Orion NPM installed. For traffic and network health monitoring. 2. Windows XP with VLC media player version 0.8.6c, this is the video server. 3. Windows 7 with VLC media player version 0.8.6c, this is the video client. 4. One WS-3560-24TS-E, Catalyst switch that has flexlink feature. 5. … Continue reading Tshoot: High CPU utilization while flexlink and multicast were operating. →

Security: Setting up Certificate Authority Server with Win2003

I have been doing pre-shared key based site to site vpn, and decided to move forward to advance vpn technology using digital certificate. I am using Windows 2003 as the Certificate Authority to authenticate users. Pre-shared key is easy to setup and configured but it is not scalable, if you have more than 2 sites … Continue reading Security: Setting up Certificate Authority Server with Win2003 →

Security: Site-to-site vpn with ASA5505 and 2651XM

Verify connectivity before setting up vpn 2651-3#ping 192.168.1.2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.1.2, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms ciscoasa(config)# ping 192.168.1.2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.168.1.2, timeout is 2 seconds: … Continue reading Security: Site-to-site vpn with ASA5505 and 2651XM →