Routing

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ISR 4221 can't enter global configuration mode

I just purchased four brand new ISR4221 routers as part of an Academy lab set up. I can get them to boot fine, can enter user exec mode and privileged exec mode. However, when I try and enter global configuration mode, I get a command not supported e...

tbyers0 by Beginner
  • 32943 Views
  • 39 replies
  • 0 Helpful votes

Resolved! VRF

Hi every one i make this topology i can ping from both ISP R1 and from R1 can ping every where, here my question from both PC i can ping only this ip address 172.16.0.0/24 and 172.16.1.0/24 i can't ping ISP ip add. this one my topologyconfig on ISP1i...

topology.jpg
Mlex1 by Participant
  • 531 Views
  • 14 replies
  • 0 Helpful votes

L2VPN VLAN TAG CONFIG ON CE END

I have a L2VPN provided by a service provider from Branch A to Branch B. I was provided same VLAN ID 1137 to tag on my interface ron the two switches. At branch A, I’m using Cisco 3750g and Branch B I’m using a Netgear 4300 switch. I have configured ...

Hamod by Beginner
  • 301 Views
  • 10 replies
  • 0 Helpful votes

Cisco C1117-4p VDSL Down

Hi All,I have a Cisco ISR c1117 router at home that I use to replace the standard sky router. I had setup everything and it was working perfectly fine, I also upgraded the iOS-xe and had full connectivity until I came back from holiday.I've plugged i...

alpha76 by Beginner
  • 293 Views
  • 5 replies
  • 0 Helpful votes

cisco 1841 act as dumb bridge

so we have cisco 1841 that has a PPPoE connection to the ISP. what we want is that this router act as dumb bridge router while handling the PPPoE connectionwe want to connect a fortigate firewall behind it and that the 1841 act as a transparent bridg...

Resolved! Cisco 1941 Router connecting to NetGear Router

Hello!I'm a networking Student and I've recently made bounds and leaps in my HomeLab (trivial to some of you but huge to me).I'm running into one issue that my hours of Youtube and Googling I have not been able to come up with an answer. Here is a To...

Topographical Network.png
lfleisher by Beginner
  • 312 Views
  • 2 replies
  • 0 Helpful votes

Cisco router refused SSH conenction

Hello Expertsmy question is a little different, i used to use SSH connection to access router with normal behavior, but yesterday i can`t login usually by ssh connection and i get error message (Router refused connection ) so i access by telnet and a...