Routing

Hello all! I'm trying to configure two routers cisco 4431, first one will be active second one will be backup router, and i'm trying connect this routers with HSRP throught Sub interface. These two routers will be central hub for DMVPN tunnels. My q...

Hello all, My understanding is as follows, so please correct me if I am wrong: Frame relay is a layer 2 technology and protocol. It can be used to connect two sites (routers) via Frame Relay switches. When sending a packet from one site to another,...

Hello, i trie to connect some devices in this router and when i establing a connection after several minutes the disconects I enter an ip which excluded from dhcp but i dont know what else to do. Also the arp table doesnt show anything wrong. any sug...

We recently implemented Twelve-Class (1P7Q1T+DBL) Egress Queuing model on our core 4500 switches in the environment. We have had some significant improvements for VoIP traffic (Skype for Business, EF). We want to have similar benefit to our file tra...

Dear Experts, We currently have Cisco 3925E router and using (C3900e-UNIVERSALK9-M), Version 15.1(3)T2, RELEASE SOFTWARE (fc1). In order to pass PCI DSS metrics we need to pass their vulnerability test and nmap scan is showing “diffie-hellman-group1-...

Hi everyone.. i have a (Cisco router and 50 PCs),  i wanna to configure  a pppoe server on my router and create users in pppoe server for my PCs. can anyone help me how to configure pppoe server and how create the users to the PCs?

I am trying to add a few shaping classification to an auto QoS policy-map and it is not working. I can see the matching packets for each class-map but the shaping is not happening. ROPS-M0-A2-2-4500X-V(config-pmap)#do sh policy-map AutoQos-4.0-Outpu...

Hi Experts, I am trying to understand what Jitter is and how to measure jitter in network. I have setup an ip sla to measure jitter between two routers. Can you please help me understand this result? R3#sh ip sla statistics 4IPSLAs Latest Operation S...

Here's the situation: Multiple markets with non-Cisco devices that run OSPF.Each market has one Cisco, with two internet connections from differnet providers.Each site has two DMVPN connections (one for each internet connection). Each remote site has...

Has there been a comparison matrix developed for the various Cisco 3000 series switches? I'm looking for what features/capabilities came at what point in the various versions of the switches.

El montaje que tenemos es el siguiente:   Internet > router movistar (nat) > router cisco 1921-sec-k9 (nat) ( con firewall activado  1 vpn ipsec )  > LAN   El problema es que los pcs que están en la LAN no alcanzan la velocidad de la línea (300Mb/300...