About Samiullah Osman

Samiullah Osman · 03-09-2025

Hello,I need help unlinking my Pearson VUE account from my Cisco account. Additionally, I would like to book an exam.Could you please assist me with the process of removing or unlinking my Pearson account from my Cisco account?Thank you for your supp...

Samiullah Osman · 05-03-2023

Hi expertI want to change google DNS server (8.8.8.8 and 8.8.4.4) to openDNS 208.67.222.222 for all my network. so I made this configuration in my router to forward all google DNS requests to openDNS servers.# ip route 8.8.8.8 255.255.255.255 208.67....

Samiullah Osman · 11-14-2022

I have a C3900 cisco router and I want to limit internet bandwidth for some users using there ip address. How can I do this?I appreciate any replay.

Samiullah Osman · 09-18-2022

I have a 3560 switch and many access points plus cisco 3900 router but I don`t have any firewall. I want to apply mac filtering in my network.I tried MAC-ACL but it can`t be apply to out bound of switch interface. and only allow me to apply it to ing...

Samiullah Osman · 09-10-2022

I have a cisco 3900 router, when I type telephony-service it dose`t work. can I use cisco 3900 for ip phones?

Samiullah Osman · 05-13-2023

I think this is impossible to translate the destination IP address. same as we do with source addresses in NAT.I researched a lot but can't find any thing to translate the destenation IP address.

Samiullah Osman · 05-05-2023

Thanks a lot for your help. I am learning from your messages.I change the router ip name-server to 208.67.222.222 and remove google DNS server. but still, my router can receive google DNS server through ISP and ISP`s DHCP server.I usedip route 8.8.8....

Samiullah Osman · 05-03-2023

thanks a lot for your helpful adviceso can you please tell me how I can disable Google DNS in my entire network and use openDNS instead.

Samiullah Osman · 05-03-2023

thanks a lot for your replaydefult route has administrative number of 10, while this static route has AD number of 1

Samiullah Osman · 11-19-2022

the command ( load-interval 30 ) does`t works in cisco 3900 routerI need some help

Member Since	‎08-20-2022 03:52 AM
Date Last Visited	‎03-16-2025 06:18 AM
Posts	17
Total Helpful Votes Received	5

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how to unlink Pearson account from cisco account

how change google DNS server to openDNS using ip route

how can I limit internet bandwidth for some ip clients?

mac filtering in cisco switch and mac access list

how can I check my router for telephony-service?

Re: how change google DNS server to openDNS using ip route

Re: how change google DNS server to openDNS using ip route

Re: how change google DNS server to openDNS using ip route

Re: how change google DNS server to openDNS using ip route

Re: Find out Bandwidth used on interface