Configuration guides for IT Administrators

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This article shows you how to configure DDNS on Cisco Router that receives dynamic Public IP address from Internet provider. After setting this up, your router can be accessed from anywhere via Domain Name.

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One end of IPSec tunnel is a Paloalto Firewall with Static Public IP address and the other end is Cisco router with Dynamic IP address and behind an Internet modem. You can refer for step by step guide to establish IPSec VPN tunnel between Paloalto Firewall and Cisco Router.

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Cisco UCCX supports .wav audio files with attributes of CCIT U-Law, Sample Size: 8bit and Sample Rate: 8KHz However iphone’s Voice Memo app generates audios on .m4a (MPEG 4 Audio) format. It is compatible with Apple devices, but not with Cisco UCCX. Hence .m4a must be converted to proper .wav format. Convert .m4a to…

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How to view and recover Cisco Switch ports from err-disabled state

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#show interface summary command provides bandwidth utilization of each Cisco switch interface, VLAN and port channels. You can either measure bits per sec using RXBS/TXBS fields or packets per sec using RXPS/TXPS fields. Additionally you also get to know counts of pkts dropped in the interface. #show interface gi1/0/40 command provides bandwidth utilization of…

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An error has occurred while saving a new UCCX script file in UCCX Publisher node. The message was “Error while performing the operation. Please look into logs for more information.” If you encounter similar error, first identify the server roles, ensure they are properly set and finally try to apply your script file in the…

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In UCCX, there is no concept of Publisher/Subscriber, instead we have Master and Slave concept in UCCX. You can identify the role by following few steps. Login to each UCCX Server Navigate to Cisco Unified CCX Serviceability page Choose Tools > Control Center – Network Services menu Select the Server. If the CCX Engine has…

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As a Cisco CUCM administration, you may have to find out at some point of time, which users have logged in and to which Cisco phone. Here is how you can check. Login to CUCM Choose Devices > Phone Select ‘Actively Logged in Device Report’ from the drop-down list in the upper, right corner and…

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You need to calculate the power requirements for all the powered devices that you plan to connect to switch. Also be careful while laying longer network cable, as some power is lost over the length of cable.

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