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IE-2000-8TC-G-E blocked port

Dear all, I have an issue that is driving me mad. I have several IE-2000-8TC-G-E built into a machine. They are connected to some custom designed circuit boards as well as servo controllers and a number of MOXA devices. One FE port is connected to a ...

CO1 by Beginner
  • 4 replies
  • 0 Helpful votes

nexus 3k vpc with no etherchannel

HI expert, im new to nexus. i would like some opinion whether the attached setup will work. no etherchannel on firewall side. what necessary config needed on nexus side. maybe somebody can lead me to a good example. thanks   thanks, chris 

WS-C3850 reload automatic

A few days ago. After the switches reload the master had changed. show version:Switch Ports Model              SW Version        SW Image              Mode   ------ ----- -----              ----------        ----------            ----        1 16    ...

tianwen by Beginner
  • 8 replies
  • 0 Helpful votes


I have saw some message in show logging: *%OSAPI-4-TIME_SHIFT_DETECTED: 1 wcm:  Detected forward time shift. Last: 1541238031.18436. --> Now:1541238032.307836.   *%OSAPI-4-TIME_SHIFT_DETECTED: STANDBY:3 wcm:  Detected backward time shift. Last: 15412...

tianwen by Beginner
  • 1 replies
  • 0 Helpful votes

WS-3850-24P-S POE Watts

Hello, I would like to know if it is possible to connect two 1100 power supply on ws-c3850-24p-s switch and if possible to configure it with 60 watts on each port?   Thanks in advance.

jisuuun24 by Beginner
  • 7 replies
  • 0 Helpful votes

Enquiry about PACL

Hi experts,   If I want to deny Site B terminal ( access internal networks (,,,, accept Internet through Site A Internet Firewall, can the following PACL works?   Conf...

spanning-tree command

Hello     I found an article https://www.cisco.com/c/m/en_us/techdoc/dc/reference/cli/nxos/commands/l2/spanning-tree-port-type-edge.html   It was explained how to use the commands: spanning-tree port type edge spanning-tree port type edge trunk   so ...

Qos By IP

Hello all , i got  a lab and i would like to get some help. I have a router with for example .. 50mbps from the isp.  I want that specified ip (for example will have better QoS on the network, i mean that he will get more resource from t...

John Levy by Beginner
  • 2 replies
  • 0 Helpful votes

CAT 6500 DCI MPLS layer 2 over layer 3

Good Evening, I'm trying to setup MPLS across two datacenters, to avoid extending direct Layer 2 to avoid STP loops, but i've ran into an issue if the vlan terminates IP wise on one of the devices as xconnect cannot be configured on an interface with...


Resolved! Cisco 2960-24TC-L Switch wont boot

I have this switch and it appears one of my students have erased the ios. How and where can I download the software?  Is this the correct link https://software.cisco.com/download/home/279963375/type/280805680/release/12.2.55-SE12?i=!pp When we power ...

MrD by Beginner
  • 11 replies
  • 0 Helpful votes