I am working with a partner who needs the original MAC Address of devices on a subnet. Current traffic is being forwarded from our core switch, but due to how Layer 2 works, the original MAC Address of the device is not forwarded when the traffic ge...
Forum Posts
I'd like to obtain the latest (Last) boot flash, where can I obtain this from? I have look here Cisco Software Central, but I can;t find the boot flash for my switch. Any help would be appreciated. THanks
i don't know if i know this question, but i got it in the exam recently and i chose - straight-through cable. please is this right? if not then what is the right cable to use?
Hi Everyone, I have the following question, in one of our sites we have a cisco router C886 which runs on ADSL speed connecting to ISP DSLAM. Recently we were informed by the ISP that we can upgrade the line to VDSL, but I do not know if the current ...
Resolved! DNS server selection
Hi,We have multiple name servers configured on a router, 2 internal and 1 external (google dns).The idea is to use the internal ones primarily and if both do not reply go for the google one, eg. that we still receive an email notification when the IP...
Bonjour, dans l’entreprise sur l’utilisation du réseau Cisco assistant version 6.3 , je voulais voir quel port du switch principal du réseau, est connecté avec un autre switch et on voit pas le lien de connexion avec un autre groupe des switch. Ces d...
I am using the below configuration on Catalyst 4500 series switches will this work?logging onno logging consoleno logging monitorlogging buffered 123456logging host 1.1.1.1logging host 1.1.1.1 transport udp port 123logging source-interface loopback0l...
I'm having issues SSH'ing from a Cisco 3925 router to a FIPS enabled and hardened Linux server. The Cisco 3925 is on IOS version 15.7(3).M7. The Linux server (RHEL 7) is configured with the following defined in its SSH server config: Ciphers aes128-c...
I have two routers/firewalls in active-passive mode which have two nexus switches connected. The two nexuses in VPC then have one link each to edge switch. The nexuses have servers connected and they serve video streaming to clients connected to edge...
Hello everyone, I am currently having an issue with this lab I am working on in packet tracer. I have around 14 hours into this and cannot seem to find out why I am having issues.This is a Lab with HSRP for 4 Vlans, 10,20,30, and 40. Overall, I have ...
Resolved! Which device to buy...
Hi, I am trying to find a router and an Access Layer 3 switch as well as a Wifi 6 AP for the SOHO area.When I bought cisco devices in the past, the management was always very different.For example, the SG 300 switch has a very limited IOS but can be ...
Hi, learning to use packet tracer,. I'm on chapter 3.1.1.2 Viewing the Contents of PDUs. So I am creating a complex PDU as per video but on the 2.1.1.5 simple network. Doing everything as in the video then pressing play but my PDU always starts as pi...
Hello All! A network with a hub and spoke WAN. The remote routers are connected via a Metro E. and then connects to the hub router. My question is: Is there an advantage of using a /30 for each connection or just use a /24 besides saving IP address...
Hello, I've written a small EEM script to send an snmp-trap when a specific route is removed from the BGP routing table: event manager applet EEM_TEST_DOWN event routing network x.x.x.x/32 type remove protocol bgp action 1.0 snmp-trap strdata "<notif...
Hello all,I am curious as to whether cisco has an official topology for CCNA and CCNP. If so, where can I find this information. If not, are there any suggestion for other topologies to use. Thanks,Dave C
