Switching

Hello Guys, I see this message on switch's log but I'm not able to understand what is it : *%TIMERLIB-4-TIME_SHIFT_DETECTED:Switch 2 R0/0: wcm:  Detected backward time shift. Last: 1495767094.170133. --> Now:1495767094.169993. What does the messag...

I am wondering how flexible the default 50cm stacking cable is when stacking Catalyst 3650 switches in a rack and leaving space for cable management bars? I have various stack sizes to be built for a project and all the switches come with the default...

Hi guys, I have problem with cisco unified im and presence server installing. I try instull anything path correctly till "Database component 3 of 8"  I alsoo upload images. Please help me. 

Hi,I'm trying to set local-preference with a route-map using the contition of the source protocol like this: route-map ospfv3-to-bgp permit 10 match source-protocol ospfv3 1 set local-pref 200route-map ospfv3-to-bgp permit 20 match source-protocol os...

Hello everyone,I understand that the client-identifier is the mac address of the device (aa11.bb12.cc13) and the hardware-address is the hexadecimal value of client-identifier with a prefix of the LAN interface. If the IP is allocated through the int...

Hello Mates, I have to transfer an Cisco image file from a remote Linux server to remote Cisco 3020 switch. Previously I used TFTP where my PC was directly connected to the router's port. Now, both the server and cisco are in a remote location. Can ...

Hello, can someone please confirm how to create an ACL to allow TFTP in both directions on an ACL from host 10.21.8.1 to any TFTP server in 10.0.0.0/8. I have the following on my outbound ACL: permit udp host 10.21.8.1 10.0.0.0 0.0.0.255 eq tftp Wh...

Just wondering if anyone has come across a high pitch noise that comes and goes on a 2960s switch?  I have a few that are doing this, but they seem to be working fine. Thanks, Dan.

We have deployed several Cisco 3850's. Several are showing the following symptom ont2-tc3-es01#sh env powerSW  PID                 Serial#     Status           Sys Pwr  PoE Pwr  Watts--  ------------------  ----------  ---------------  -------  -----...

Hi, when we issue command show int gig 1/0 MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,  now gig 1/0 is a 1gig ethernet interface 1gig means it can sends 1 billion bits per second (1,000,000,000 bits\s) interface delay is 10 microsecond. micro...

Hi all, I understand the criteria in selecting a DR/BDR in a multi-access network (e.g. ethernet).1) Priority2) Router IDand that the election took place using hello packets send out via the interfaces participating in an ospf area.==================...