Cisco ACS Lab1: Installing and Configuring ACS 5.6 in ESXi and GNS3
Cisco Secure Contral Access System (ACS) has been around in the market for a long time and widely been used as the software to do network device administration with Tacacs+…
Close Cisco IOS TCP Ports 23, 2002, 4002, 6002, and 9002 from Network Ports Scanning
Just found my Cisco 1921 has same problem on ports 2002, 4002, 6002 and 9002, as described on this post. Symptoms: Some Cisco Cisco Routers (1900/2900 Series) are answering to…
ASA 9.21 in Vmware Workstation 10
There is old post “ASA 8.02 in Vmware Workstation “ in this blog posted on Dec 2011. Anothe post “How to Make your own ASA 8.42 in VMware”. Here are…
Enabling SNMP v3 – Part 1: Cisco IOS Devices – Disable SNMP v1 and SNMP v2c
1. Enable SNMPv3 It is time to retire SNMPv2 on our network environment. Here is sample configuration for all of our Cisco devices. Some of old devices do not support…
Cisco Switch Configuration to Make Multicast Load Sharing Working on Checkpoint ClusterXL Firewalls
Working on Checkpoint Cluster XL Load Sharing configuration, and found one blog post from Technopath LLC regarding Cisco switch configuration. It should be helpful for my next step. The topology…
Cisco Integrated Services Routers Licensing – 3945E as example
1. Situation My work environment has a Cisco Route 3945E which is running following IOS: Cisco IOS Software, C3900e Software (C3900e-UNIVERSALK9-M), Version 15.1(4)M4, RELEASE SOFTWARE (fc1) ROM: System Bootstrap, Version…
%PLATFORM_PBR-4-SDM_MISMATCH: PBR requires sdm template routing – Enable PBR on Cisco 3560E
1. Situation Working on Cisco 3560E with IOS C3560-IPSERVICESK9-M and trying to enable Policy Based Routing on vlan interface with command : ip access-list extended Re_Route_10.19.13.66 permit ip host 10.19.13.66…
Cisco User Privilege 15 Command does not work on switch
Created one local help desk account with temporary privilege 15, but seems does not workIn my case, the switch have been configured with following accounts: username localit privilege 15 secret…
DSL Line – PPPoE on Cisco Router Configuration Template
interface GigabitEthernet0/0 no ip address ip virtual-reassembly duplex auto speed auto pppoe enable group global pppoe-client dial-pool-number 1 interface GigabitEthernet0/1 ip address 100.199.14.7 255.255.255.0 ip nat inside ip virtual-reassembly duplex…
Cisco Switch Radius Configuration Work With TekRADIUS AD Authentication
Cisco Switch Example Configuration: aaa authentication login default local group radius aaa authentication enable default enable group radius aaa authorization exec default local group radius radius-server host 10.9.2.4 auth-port 1812…
Troubleshooting Cisco Radius Configuration with Free Radius Server TekRadius
Configured a cisco 2960 switch to use TekRadius as radius server for authentication and authorization. Authentication part was ok, but could not let user directly get into enable mode although…
Cisco Switchport Mode Best Practices
For Access Mode: switchport mode access switchport nonegotiate switchport access vlan 100 For Trunk Mode:switchport trunk encapsulation dot1qswitchport mode trunkswitchport nonegotiateswitchport trunk allowed vlan 10,100switchport trunk native vlan 1 The…