Recently, I encountered two questions for which I could not answer a convincing reply. They are What are the common stp issues that happen in the realtime network? In what scenarios we need to set the ethernet (cat5 or Fiber) mode to half-duplex? App...
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All, I am experiencing Heavy output drops on my Cisco3945 Router interface. GigabitEthernet0/1 is up, line protocol is upHardware is PQ3_TSEC, address is *.*.*.*MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,reliability 255/255, txload 6/255, rxloa...
Hello, I'm having trouble bringing the mgmt vlan up on a 2960X that I have just configured into my network. The physical interface comes up with no problem when connected to my core 9516 (vtp server) via a switchport tunnel but the mgmt vlan interfa...
Hi,we use private vlan in a Datacenter environment, the router is connected to the promiscuous port an the clients are connected to isolated ports... Network design: [NX3K64]---------[NX3K64]-----------[NX3K64]-------[Client] | ...
I seem to be configuring OSPF wrong. Need some help. Can one of you assist me? Here are my configs Router 1 Configenconfig tint g0/0ip add 192.168.0.254 255.255.255.0no shutint g0/1 ip add 172.16.0.2 255.255.255.252no shutint g0/2 ip add 172.16.0.6...
Hi All, I'm trying, and failing, to apply an input service-policy to either a physical or Vlan interface. The policy is Marking and from what I've read this should be achievable. The current config is listed below. Any comments would be welcome. Ch...
Hi Guys,I got an interview next week I said that I got knowledge of Nexus 3000, can anybody help me please reagarding the basic commands of NEXUS 3000 and a general overviewThanks.
Hi all, I have configured Auto-QoS on a 3850 running 03.06.06E and am a bit confused about the "bandwidth remaining" figures. When I configured Auto-QoS, the 3850 automatically created the policy-map "AutoQos-4.0-Output-Policy" and the associated cla...
Hello, I was quoted and received a Cisco IE 3000 and needed to added a PoE module. The Power supply that came with it is a AC in/DC out. I am concerned because the DC output on the Power Supply reads 54 V ---1.2A, but the Input DC on the PoE module s...
Am planning to purchase a CISCO Call Manager Server hardware for a Hotel and it is new installation about to be made. So my plan is to do everything IP based including the phone. So I like to know the best Call manager Server Hardware and software IP...
Hi everyone,IOS-XE 16.6.x Release Notes for 3850 model https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/software/release/16-6/release_notes/ol-16-6-3850.html state: "During an IOS image upgrade or downgrade on a PoE or UPoE switch, the...
I understand that only two switches can make up a SWV cluster/stack. I am working on a design that needs to ensure 100% uptime. From my general networking experience as well as reading about VSS/SWV configuration and troubleshooting discussions, the...
Resolved! Catalyst 3850 Upgrading Confusion
Hello,I recently had the opportunity to upgrade a 3850, and whilst it wasn't part of a stack, it did get me wondering on the process. I'm getting myself a little confused when it comes to the following commands (note for newer versions of IOS-XE)1. r...
Hi there, I have some virtual servers not being used. I checked with server team and they said they're powered off. Sometimes I can see the static ips shows in arp table in the switch, but sometimes not. I want to permanently delete those ...
Resolved! Out of Band network
Seeking input of setting up an out of band network using a switch that is not connected to the main network to management network switches outside of my core switch. It is a requirement to have an out of band management switch that is not on my main ...
