Other Network Architecture Subjects

Trying to update the IOS on my Cisco 881 router.  I tried 3 different IOS and when I try to boot from any of them, it only boots from the original IOS. I'm trying to update to the M7 IOS, as you can see, I have 3 of them in the directory on the route...

Hi I would be highly appreciated if an expert opinion can be provided.  In this situation we currently have ASN from from RIPE and our own net-block which are advertised via our Tier 1 peering provider. Because of new acquisition who had their own AS...

I am looking at BGP route manipulation within our global MPLS for several 3rd party connections which are connected at various sites and am looking for some advice about path manipulation.   In my scenario, we have a route injected by a 3rd party in ...

Hi everyone, I would setup a server with a router which can handle VOIP calls, up to 100Call/2secondes.   What kind of equipment do i need ? What price range ?   Thanks   (I'm French, please, excuse me for my poor English ! )

Hi! I have a brand new Cisco 867vae-w-a-k9. I programmed the basic functions up up via web interface no problems, but when clicking on the wireless section, there is no response. So I factory rest and programmed up the router via IOS, again no proble...

I'm looking for a complete manual on the DPC3941T router.  The published PDF "Cisco Model DPC3941T DOCSIS 3.0 24x4 Wireless Residential Voice Gateway User Guide" shows the basic installation/hookup and Gateway configuration of the Wireless SSIDs and ...

I am experiencing a problem with my EVPN multi homing implementation and I wanted to post this question to see if anyone might be able to assist. The problem I am experiencing is EVPN multi-homing with ESI actually works on my fabric overlay with N9K...

I have a number of devices connected wirelessly to a Cisco WAP121. One device is an android phone running the zeroconf browser app to discover and display mDNS services. This all works fine for a while and then at some point, the Android phone stops ...

Hello,   When I run a throughput test I get one number. I've been assuming this is the download speed. Then I will look at the Uplink traffic and it will usually show a larger number during the time of the throughput test. I've been assuming this is ...

Hello Guys,   I have a design question. I'm using a Cisco ASR1K as my Internet facing DMVPN Hub router. I know I should place a firewall in front of it. But why not just use built-in ACL to open necessary ports (i.e. UDP 500, 4500 and ESP) on the por...

I'm asking this question preemptively before I start a project. We have an application that sends out a broadcast to 255.255.255.255 on UDP ports 8082 and 8083 to detect a server. The server is going to be moving to a different network. Because of th...

I'm using 3750 cisco switches which does not support SFTP. I know TFTP is not secure at all when it comes to transferring the configuration. FTP is also not secure my question is: what is the best practice un terms of security?