Hello !I have an issue with the size of the packets transmitted in my network. I have 2 routers linked through serial interfaces. Behind each router, I have a computer. I'm generating a 3Mb TCP flow with iPerf, from PC1 to PC2. The MTUs of all my int...
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Resolved! Strandge SSD message on NCS
Anyone seen this message before? 0/RP0/ADMIN0:May 15 06:43:47.709 CEST: mediasvr[2632]: %MEDIASVR-MEDIASVR-4-SSD_LIFETIME_MSG : SSD Device has only 0% percentage of lifetime remaining Does this just mean that the SSD needs replacement? Version is IO...
When we add NTP server details in switch/router so that switch /router can maintain logs in real time ,right?all timing on all switch/router should match also right?Please explain use of NTP server
Greetings, Trying to add some ACL lines to existing ones. I wonder how to use the re sequencing cmd to prevent any packet losses please. like, before inserting new lines or after new lines inserted to run the re-sequencing cmd ? please. Regards, ...
Hi all, What would be a major advantage of using p2p network type over broadcast network type.from what I can see, as far as convergence goes they have1. the same hello and dead timers2. They both send multicast packet regardless to 224.0.0.5 (for os...
Hello. I may have to shortly be involved in configuring an (unmanaged ISP) edge router that will be installed at my organization. This is not something I have done before so I was hoping for some help to fully understand the steps that need to be tak...
HelloGood day to you.Could you please help my DMVPN question.R1 is hub, R3, R4, R5 is spoke. my lab is run in PNET, Configuration had attached.Q1. ip nhrp redirect should input at hub or all spoke?Q2. before I input "ip nhrp redirect" and "ip nhrp s...
Hey guys, I'm trying to use guestshell to run scripts on router but I'm not able to enable guestshell. I have tried all the fixes suggested for similar queries in the forum but none of them yielded any results. (version 17.4.1)*May 15 17:43:18.305: %...
Hello,I have configured SNMP v3 on my 890 router. snmp-server group SNMP-GRP v3 privsnmp-server user Admin SNMP-GRP v3 auth sha XYZ priv aes 128 XYZ1234 access 10snmp-server enable traps snmp authentication linkdown linkup coldstart warmstartAs soon ...
i see, in most of organization ospf neighborship is on loopback interface ,i dont understand why we require physical port & cable connectivity ,what is use of it. can any one explian in deatils
Hey folks, I’m not as up on the router portfolio lately, but I’ve seen some recommendations to use the ASR 1001 in traditional home situations.I have a 1G/100M cable modem connection with an Arris Surfboard SB8200 (DOCSIS 3.1) and would love to tinke...
Hi expertI want to change google DNS server (8.8.8.8 and 8.8.4.4) to openDNS 208.67.222.222 for all my network. so I made this configuration in my router to forward all google DNS requests to openDNS servers.# ip route 8.8.8.8 255.255.255.255 208.67....
Resolved! DMVPN and OSPF backup tunnel routing
I am in the beginning phase where a customer wants to change their routing protocol from EIGRP to OSPF on their network. I noticed that they have a DMVPN setup with about 25 sites each with a single tunnel interface going back to their respective wan...
Good afternoon,I am working on Packet Tracer to be able to send packets from computers to each other on different vlans with IPv6, on IPv4 it works as it should, you can ping other computers and they return an echo message but with IPv6 I am not bein...
I am planning the migration of a Network 172.16.0.0 Mask 255.255.0.0 to a VLSM VLANS so that I get the following topology:A New range VLSM Subnet of 172.16.0.0/19 for the Actual range of IPs 172.16.0.0 to 172.16.31.254Many Subnets of VLSM CIDR 22 be...
