Category Archives: Cisco

Enable Port mirroring from Cisco switch

Enable Port mirroring from Cisco switch Port mirroring is useful when we need to sniff for details analysis of traffic. For an example; one would like to use Internet interface (uplink to Internet facing firewall) to analyize Internet traffic using … Continue reading

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Enable Multicast for Apple Air-Play

Access the Cisco Wireless LAN Controller (WLC) by entering controller IP eg. https://WLC-IP-address at the Internet browser address space. Enter the username and password when prompted. Click on CONTROLLER onthe top menu and Multicast on the left menu. Check Enable … Continue reading

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Cisco IOS emulator (open source project)

I have used Dynamips Cisco IOS emulator (open source) on early days of my Cisco certification preparation labs. Recently found GNS3 site ( that provides complementary simulation tools for Dynampps including sample labs and tutorials. Hope this is informative for … Continue reading

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Clear ARP entries from various devices

From Cisco Switches / Firewall (ASA) / Switches: To see the arp table: #show arp To clear the arp table: #clear arp To clear selective entry: #clear ip arp IPAddress eg. clear ip arp Windows: c:\> arp -a (display … Continue reading

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Kiwi SysLog Server Configuration for Cisco Devices

Route configuration for syslog: Dowlonad free Kiwi SysLog server from: Check system log configuration: Console#show logging Console# Console#config t Console(config)#service timestamps log datetime localtime Console(config)#no logging console Console(config)#no logging monitor Console(config)#logging Console(config)#logging facility local3 Console(config)#logging trap warning Console(config)#end … Continue reading

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Cisco Application (port) Inspection

Sample of default default global policy: class-map inspection_default match default-inspection-traffic policy-map type inspect dns preset_dns_map parameters message-length maximum 512 policy-map global_policy class inspection_default inspect dns preset_dns_map inspect ftp inspect h323 h225 inspect h323 ras inspect rsh inspect rtsp inspect esmtp … Continue reading

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