I have Cisco IP phones connected to a Cisco SG300-52MP switch All of our Cisco IP phones stopped working around 10AM today with orange lights on the line buttons. All of the phones are plugged into the Cisco switch. I tried rebooting the phones. When...
Forum Posts
How do you create an access list to allow network traffic outside (for web browsing for example), but not allow it to the other networks? The only way I can seem to get network access is to have an ACL like this:access-list ACL1 extended permit ip ob...
I'm trying to setup an IPSec tunnel between an ASA5512, and an ISR4331 to tunnel all traffic for my organization for one branch to their data center. I have the tunnel configured and up. I can reach all inside networks, but cannot access the internet...
I put a config on this switch and it is having some issues I would like to take it back to out of the box state however I am not sure how to do this ? I do not need to blow away the IOS just the config I put on itCisco IOS Software, C3560 Software (C...
Hi, I'm trying to do some routing changes on EIGRP. I would like to set up a new preferred route via an offset-list. The off-set list works and the metric encreased for the the specific route entry, but the EIGRP topology does not change. I would...
Hi, there is an existing Cisco 2801 tunneled (Site-to-Site VPN) to one of the main office with a Cisco ASA. Can the 2801 router have 2 or a separate tunnel(S2S) to a different site? I'm basically trying to copy the commands from the Cisco 2801 rou...
Hi, I'm new to CCNA currently I learning about ip nat inside source static I have configure a router R1 have LAN interface g0/1 which has ip 192.168.1.1/24 a Serial S0/0/0 interface which has ip 1.1.1.1/30 The LAN connect to a PC and a Internal Se...
Can I upgrade an ISR 4351 from IOS XE 3.16.06 directly to Fuji 16.7.1 ? The 16.7.1 release notes have me a little confused. In the release notes under the upgrade section, it says "obtain a Cisco IOS XE Everest 16.4.1 consolidated package" Do I need ...
Hi, I’m trying to install a Cisco 2 port FXS card into a Cisco 2901 router. I’ve read the tutorials and understand the router must be unplugged when the card is being installed. My fear, however, is upon reboot will any issues arise. I.e. I’ve read s...
I have a back up internet circuit from local ISP which is not in use right now and have increased its bandwidth to 60Mb. ISP has confirmed that the bandwidth is increased from their end but how do i check it at my organisation end. Circuit is connect...
I have configured Dyn DNS on my Cisco 1921 router (15.3(3)M3) but it is not updating the host-name. I used debug command too to see the DDNS updates but no update or information shown in response to debug ip ddns update command. Can anyone please sug...
Hi, I am trying to configure an unused firewall ASA 5550. For it, I am trying to load a new image through tftp server. Its getting booted up via rommon, but I am not able to copy it to flash or disk. I am not much familiar as to how to do this in fir...
Most of the time both the commands are used as ingress on the LAN interface at the CE Router. Need to know why exactly is IP Tcp adjust-mss is used, most of the answers I found were that TCP adjust-mss command is used when we need to avo...
Hi good fellows, I'm feeling very much problems to make a solution for my client. The point is, i have a L3 switch with: - one link with OSPF, and that link it's the major link. - now, i want to install another link, for backup, and i don´t know ...
