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NTP Version?

Anyone have any advice on NTP version to use as I know you can specify? If you have security in mind, should you specify version 4? What is the default on Nexus or Catalyst switches?

Resolved! Allowing inbound connection

 Hello Cisco.   I have some challenging task to accomplish that was assigned to me by my boss and I am pretty new to Networking world.   So, I have Cisco router 4221 with int G0/0/0 (which we use were WAN connection) and G0/0/1 for LAN. I have pool o...

yanacapps by Beginner
  • 617 Views
  • 11 replies
  • 0 Helpful votes

Resolved! VLANs and Windows Network Menu

I have several devices located across multiple VLANs and I would like to be able to see said devices in the Windows Network tab. Currently all I am able to see is devices located on the same VLAN as the device I have the network tab open on. Is there...

Resolved! Switch DHCP for Avaya Phone

for the life of me i can not get a consistent result for our remote site switches to handout DHCP addresses for our Avaya 9611 phones.  I have a new location that will not work.  the switch is a   WS-C2960S-48FPD-L, 15.2(2)E5.  Switch settings are:  ...

broow by Beginner
  • 2249 Views
  • 6 replies
  • 0 Helpful votes

Resolved! 4500 Supervisor not showing anything.

I tried changing the image to boot and now when I console into one of the supervisors it is just blank and does not show anything.  I console into the other sup and issue the command below. Anyone konw what the problem is?     #sh bootvarBOOT variabl...

Block Mac address

HI i have a similar issue, i want to allow only certain mac addresses from Voice Vlan  going any where using acl and drop the mac addresses that are not defined in the acl, Ive tried mac acl with vlan access map and vlan filter list but it just didn...

benolyndav by Enthusiast
  • 531 Views
  • 4 replies
  • 0 Helpful votes

N2K-C2348TQ-10GE VLAN scale Limit

I have recently hit a vlan scale limitation FEX N2K-C2348TQ-10GE,which has caused some weird anomalies;   1. by using switchport trunk add vlan "X" on a host interface, it deleted all vlan configuration on that interface and applied the config of the...

snhajr by Beginner
  • 491 Views
  • 0 replies
  • 5 Helpful votes

HSRP and Cisco ASA

Hello at all, I have two switches Cisco C3560 (Model: WS-C3560-8PC, Software version: 12.2(35)SE5, Software Image: C3560-IPBASE-M) and one Cisco ASA 5505. All three devices are in vlan 1 with these ip configuration:   Cisco ASA: 192.168.254.254/24 SW...

network.JPG
jickly by Beginner
  • 1493 Views
  • 7 replies
  • 0 Helpful votes

cpu

Hi Team,I have cisco CISCO3945-CHASSIS running with "c3900-universalk9-mz.SPA.154-3.M3.bin" ios where I can observe the high cpu utilization. #sh process cpu sorted | ex 0.00CPU utilization for five seconds: 97%/95%; one minute: 96%; five minutes: 96...

Robo123 by Beginner
  • 358 Views
  • 4 replies
  • 0 Helpful votes

VSS on 4507E+R

Dear Guys, Last day i had issue while doing the vss on new 4507E+R switch with 2 Sup engines.After connecting eachother both cables was not up and neighbour switch not showing in cdp as well.then we put the command like hw-module uplink select tengig...