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Nam Nguyen Thanh
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Level 1
Member since ‎11-26-2012
‎08-18-2017
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Can not telnet after upgrade new IOS on router 2921

04-07-2015
Dear TeamWhen our system upgrade IOS of router 2921 with c2900-universalk9-mz.SPA.150-1.M3.bin to c2900-universalk9-mz.SPA.154-3.M2.We can not use telnet service !Please check in attach file, please explain help me ?Thank you 

Support HSRP and Spanning-tree

04-16-2014
Dear Team. Our system are using 02 switch2960, 02 router2921(EHWIC-4ESG).We have 5 vlan on switch and router, we use HSRP and Spanning-tree. When i plug cable with green color (Fe0/0/0 and Fe0/2/0), The system was loop. IOS c2900-universalk9-mz.SPA.1...

How to configure SIP trunk Cisco Voice Gateway with Asterisk

08-13-2013
Dear Team.Extension1,2,3 <-------> Asterisk <------> Cisco29XX <----------> TelcoProvider.How to configure sip trunk on voice gateway to extension can call to PSTN?dial-peer voice 100 voipdestination-pattern 5xxxsession protocol sipv2 session target ...

Ethernet channel on 02 switch 2960S

07-10-2013
Dear Team.I have two switch 2960, WS-C2960S-24TS-L and WS-C2960S-48TS-L was stackable.I was configured ethernet-channel, using one port on 2960S-24 port and other port on 2960S-48 port but not success.After enter command channel-group 1 mode auto, sw...

Neighbor Cisco Tandberg 4200 and Radvision 5100

04-16-2013
Dear Team,I need config establish neighbor Cisco Tandberg 4200 and MCU Radvison 5100.Please help me docs or step guide?Thanks.
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Member Since ‎11-26-2012 07:22 PM
Date Last Visited ‎08-18-2017 04:03 AM
Posts 35