Hello guys sorry to bother you, I'm new on this, and a have a question. I', completely new in routing-networking and IPv6 LACNIC assigned me a /64 IPv6 class to publish vía BGP, so I asked to my provider to enable BGP IPv6 capabilities to their rou...
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Hi SupportCommunityI hope that you can help with this. I am having Cisco 3845 series router with c3900-universalk9-mz.SPA.151-4.M2.bin IOS . I want to install new Licence on it for DATA. When i am trying to install licence on it i am facing the erro...
hello what could be the reason to get that kind of ping respond Switch: 3132Q Router/Firewall: DELL R320 Chelsio T580-SO-CR 2x40Gb ports OS: pfSense Server: DELL R710 Mellanox ConnectX-3 network adapter 2x40Gb ports OS: ESXI VM: Windows Serv...
I have 2 WS-C2960L-24PS-LL switches running (C2960L-UNIVERSALK9-M), Version 15.2(6)E2, RELEASE SOFTWARE (fc4). I have a L3 vlan interface on each. I getting spammed by gratuitous arp replies for the standby IP address, about 600 of them every second....
Dear all i had config HSRP on 2 switches cisco Nexus 7000 non vPC: SW_N7K_01# show run interface vlan111version 6.2(2)!interface Vlan111 no ip redirects ip address 172.16.33.245/28 ip router ospf 1 area 0.0.0.0 hsrp version 2 hsrp 1 preempt ...
The following command is used when configuring ISE on a Cisco Switch: "authentication timer inactivity server dynamic". The "authentication timer inactivity server" command is compatible with all IOS versions. However, the addition of the final key w...
Resolved! Cisco CCNA R&S vs Nokia NRS
Hello How you think, is there a big difference between those two certificates? Networking educational level i mean... i'm not talking about cisco/nokia proprietary commands To simplify the things, if i pass CCNA exam, should i also pass NRS I exam ...
Hello. Could you tell whether the reflexive ACLs is gone in new Cisco 4451 Series of routers with IOS XE? It seems there aren't commands evaluate and reflect into ACL's config section anymore. Thanks.
Hi everybody! As I understood, switches can form and organize their MAC address table if the connections between sources and destinations would be bidirectional and have acknowledgment ( Is it true?), so what will happen if there is no router or L3...
Hi All We have an issue with a 100Mbit connection to our other site. We have a 100Mbit ethernet circuit plugged into a 3850-24 port switch. On the interface I can see the reliability drops to 180/255, the interface also has output drops incrementin...
Resolved! SFP Receive Power Alert
Hello everyone, two monitoring system the Observium and Solarwinds have displayed the following alerts for two SFPs on the Cisco IOS c6880x Software (c6880x-IPSERVICESK9-M), Version 15.1(2)SY6, RELEASE SOFTWARE (fc4). There are no errors displayed fo...
Hi all, I'm setting up a FreeBSD box to be used as NTP server within my network, which most of the time will be a stratum 2 NTP. While I do have some sync problems between the FreeBSD box and the Stratum 1 (work in progress due to a firewall between ...
Hi, how are you all? I'm doing a little homework, and I've come across a situation and I don't what it means, if anyone could enlighten me I'd be grateful. Here's the gist. I have this little part of a network on a simple stp exercise. The prio...
Hello All, I have to set up a site to site trunk link. On one side the router is equipped with a: NAME: "8 Port GE Non-POE EHWIC Switch on Slot 0 SubSlot 1", DESCR: "8 Port GE Non-POE EHWIC Switch" PID: EHWIC-D-8ESG , VID: V01 , SN: FOC163169N...
hi everyone it would be much appreciated if someone would help or even advise /give some tips In this Network the following scenario is needed to be accomplished: Both Networks (192.168.10.0/24 & 192.168.20.0/24) to reach some applications on Ser...
