Hi, I am a bit stuck with OSPF. Want to know how an OSPF network would react when an attacker deactivate one of the network interfaces on the router? Also what possible impact on the network if this deactivation happens repeatedly on all routers of t...
Hi Hope you guys are well.I am in situation where I have to route all traffic to next hop for Web-Server (https://voipserver.com) via Policy Based Routing. But the issue is that DNS request for that Web-Server is resolved via 8.8.8.8. And 8.8.8.8 is ...
i there! On one of the routers I worked on today, a Cisco 887VAG. I got a strange outcome of my command in an ACL:K1(config)#ip access-list extended nat,K1(config-ext-nacl)#permit ip 192.168.1.0 255.255.255.0 any Which should simply allow the 192.16...
Hi guys.In the topology within EVE, in the CE I configured NAT for thenetworks 172.21.1.0, 172.22.1.0, 172.23.1.0 . But with NAT or without NAT the server on the network 172.21.1.0 still ping the loopback on the PE. What did I do wrong to it yet ping...
this is all done in packet tracer. there is a copy of my work down below.
Is QoS for Ip iphone is need?. Will any difference?.Router is rv3403 vlan1 vlan data2 vlan cctv/ip phone3 vlan cctv/ip phoneHow to enable QoS for particular ip range?
Logs getting flooded with the following two errors. Any help appreciated 2020-Aug-01, 13:41:13 GMTwarningnetworkdnsmasq: ignoring nameserver 127.0.0.1 - local interface 2020-Aug-01, 13:41:11 GMTerrorkernkernel: [ 1845.205993] ICMPv6: RA: ndisc_router...
I have an issue with my PIM-SSM multicast configuration using ISR4431s. I am wanting to forward broadcast data from an application from one VLAN in on the multicast source to another VLAN on a multicast router on a small network. The method I am us...
hello everyone, I am trying to reach our server to the cloud on 10.65.120.0 network however I am not able to reach it via our remote offices. Though I am able to reach 10.65.1.0 network anywhere. I noticed on the EIGRP topology, it does not inclu...
I am currently still strengthening my networking skills since I just got my CCNA. Currently I have a device that is using Audio over IP concepts. According to the documentation it uses Port 80 TCP (GUI-Management), and Port 655 TCP/UDP. With this de...
I've got a 2911 router connected to Verizon FiOS. I know about the "show ip nat trans" command to see what IPs i'm talking to on the outside. BUT: is there any Cisco-equiv command of the DOS "netstat" command? I want to be able to see the TCP port-nu...
Hi community, we have a funny thing on a ISR4331 xxx#ping ipv6 www.cisco.com% Unrecognized host or address, or protocol not running.xxx#telnet www.cisco.com 80Trying 0d.0b0d.0b0d.0b0d.0b0d.0b0d, 80 ...% Connection abortedxxx#ping www.cisco.comType e...
Can somebody help with the question how many labs we get in ccie lab, I mean how many topology
i may get a used C1111‑4PLTEEAi would use it mainly as an lte router (do i need any license)question what can the device do without any license what licenses can i purchase for what cost will webui work?
Hi,Need support wheather cisco 867vae support sub interface config on WAN PORT. if yes need some configuration templet..I suppose to take two services from single ISP.
