Switching

i am attempting to connect a number of Panasonic PoE 802.3af IP cameras to my Cat3550-24PWR and am getting the following error:Apr 20 20:03:22: %ILPOWER-3-CONTROLLER_PORT_ERR: Controller port error, Interface Fa0/16: Power given, but link is not upi ...

  It last about half years that network will go down for just about 3 minutes irregular every few days, and then back to normal. I setup some monitor software tools to monitor cloud/ISP/wan load-balance device/firewall/L3 switch (refer attachment), i...

Can some one please explain if LFA implementation required for "static segment routing". If not then why ?  

I have a situation where the network I inherited is using an ASA for the default gateway, instead of a router.  I am trying to add a series of subnets off the inside interface to begin eliminating some VPN connections with point to point connections....

Hi Team,   I have cisco 1812  with "c181x-advipservicesk9-mz.124-24.T4.bin" and Router is getting formatted frequently.   Is IOS upgrade will resolve the issue?   Please suggest on the above to resolve the issue.

Hi We have a Juniper SRX firewal in our network that is only operating as a router and terminates two of our 1G point to point links. I would like to replace it with a Cisco router as all our routers are Cisco. What is a good replacement, I do have a...

We needed to change the IP of our many to one nat earlier today.  Relevant config lines below:   interface Vlan90 ip address 192.168.122.1 255.255.255.0 ip nat inside!interface Vlan281 ip address a.b.c.d 255.255.252.0 ip nat outside ip flow monitor c...

 We have a security requirement to encrypt the data flow to our DR location and the storage vendor does not do so in the replication traffic process. I have been asked to look into encrypting the traffic at the switch level. I have read that MACsec c...

Hello, We have some C3850 switches all of which have sufficient power supplies to support UPOE.  I have a couple questions about the configuration of POE. 1. Is there anything special I need to do to enable the UPOE functionality or does it just happ...

I have a weird issue that I need assistance with.  We have a 6807 that we have been using to make a many to one NAT for our classroom.  Relevant information included below:   interface Vlan90 ip address 192.168.122.1 255.255.255.0 ip nat inside! inte...

PROBLEM #1 I have 2 identical Cisco 3650 switches. I was trying to reset enable password on switch #1. Followed up tips in an older forum post I made and it ended up removing the pre-authentication that required I log in via privileged user first and...

Hello, When the system jumbo mtu is set at 9216, do we still have to configure mtu as 9216 at per port/ port-channel level? All ports in L2 mode. NXOS version is 7.0(3)I1(3)

I have cisco catalyst L2 switch as a access switch for my servers & storage Recently i encounter STP issue with the switch  Attached is my switch log screenshot and my both access switches configuration, can someone explain to me anything that i miss...