Routing

I have a router 4451 but with only one PS, need to put redundancy but can´t buy another, I have a lot of older routers from series 3900, 3800, etc.  Is there any Power Supply compatibility matrix for this case?

It's been a while since the last time I worked on a router config. I'm having issues giving the inside network access to the internet via the GigabitEthernet0/0/0 interface. In the end I would like to have a redundant route to go out the GigabitEther...

Hello togehter, i was wondering if anybody could hint me to the right direction, been wondering if something like this is possible? What i want to achieve. I want different internal servers to be accessible from the internet but only on specified por...

Hi Experts, I have and ASR920 with WAN link of 1Gps, the LAN side is 20G. I need to prioritize voice traffic in order to not get congested. I need to know if the below configuration will be sufficient for my case. also what are the ACLs that matches...

Dears, Please find the attached topology i have a general question, A laptop is always reaching the server by preferred route by RTR3 , when the preferred route fails switches send via HSRP VIP IP address 192.168.10.1/24  to RTR4  to route to the ser...

Hello All, The ISP router announces a global IP network "169.254.20.0/24" to my router via BGP . However, I want to take into account only 2 IP addresses "169.254.20.117" and "169.254.20.181" into this global network announcement. For high availabil...

Hi, I have a Windows RRAS server running an IKEv2 VPN server that seems to work just fine internally. I have forwarded UDP ports 500, 4500 and 1701, as well as ESP through and I simply can't make it work. Here are my NAT rules: ip nat inside source s...

Hello Everyone, I need a help to setup Cisco IR829 in our lab,We have a IR829 gateway router when we are connecting to the power adapter and try to  connect to the console by USB connector,I found that the PWR Led light is getting fixed Amber color....

hi guys, I´m thinking about a QoS configuration, where I´d like to use either an object group-based ACL and/or (NBAR) protocols as match criteria on an IOS router... what I don`t understand is, when I´m using for example the following configruation;...

Hi all, Wondering if you can help. Can you explain if Ethernet WAN links should cause discards/QOS drops in a normally functioning link/circuit when the QOS is correctly configured at each end of the CE and PE router into a cloud with the correct sh...

All, Currently we have a multitude of the remote 'branch' offices which we have connected to our East Coast, West Coast and Cloud infrastructures via IKE1 IPsec VPN tunnels.  Each 'branch' location has a static IP address from Verizon as they are Cis...

Hello, I have two Cisco C6807-XL core switches with redundant sup engine (C6800-SUP6T-XL). I want to configure VSS between this switches using both sup's. Is there additional commands needed in addition to the normal VSS configuration? If there is p...