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WS-C2960+24TC-L Bootup issue

Dear folks,i have cisco 2960TC-L 24port switch, but after start just mode light is blinking continuously while console view has shown abnormally language. i.e -30)/@<><?|}{|}|}"|")|_|?}|()*^&*^&*|"|":}|P"|/@<><P:P}":P"}P"P"P:|?/@<><>?<><<<. even any ...

StackWise Source Stripping for Multicast

Question on the behavior of StackWise and the use of source stripping for Multicast. What are the theoretical maximum multicast only bandwidth capabilities for the stack (in this example let's say Stackwise 80)? Would we assume 40G or 20G total for s...

final185 by Beginner
  • 0 replies
  • 0 Helpful votes

Resolved! IP Verify Source - Phones stop working

Good Morning, We are running "IP DHCP Snooping" on our 3650 (16.12.3a)  switches.  On 75% of these switches on average the "ip verify source" command works fine when implemented but on 25% of these 3650 switches the end users are unable to make calls...

Flow monitor configuration failure on Cat 3850 with 'match application name' in flow record for NBAR

Hi all,   I have 3850 which I want to configure with netflow with NBAR (application identification). But it is failing with following error. If I remove 'match application name' from the flow record entry, then I am able to apply the monitor correctl...

rohpandi by Cisco Employee
  • 7 replies
  • 0 Helpful votes

Upgrade Cisco 3850 3.7.xE Stack

Hi there!I need to add a standalone Cisco 3850-48P to an existing Cisco 3850 stack of 3 (2x48P, 1x24P)Existing Stack (3xCisco 3850) (2x48 Ports, 1x24 Ports):Cisco IOS Software, IOS-XE Software, Catalyst L3 Switch Software (CAT3K_CAA-UNIVERSALK9-M), V...


勉強用として、Cisco892を2台使用してPPPoE環境の構築をしたいのですが、PPPoE接続ができない状況です。 <構成>PPPoEクライアント(Fa1) ----- (Fa1)PPPoEサーバ・どちらもCisco892・Version 15.0(1)M3、Version 15.1(4)M3 <設定>PPPoEクライアントversion 15.0service timestamps debug datetime msecservice timestamps log datetime msec...

nemoto001 by Beginner
  • 0 replies
  • 0 Helpful votes

Resolved! Cisco Packet Tracer problem

Hey guys,  I'm in College and quite bad at networking. I'm hoping you can help me. I had to design a network for small business which has 6 departments. I calculated the IPs and subnet masks for all departments. I've set the router to and...

azux14 by Beginner
  • 19 replies
  • 0 Helpful votes

Cisco SG200-26

Howdy. I have a Cisco SG200-26.  Does it support 1 gig simultaneous on all of the regular 24 ports? So if I have 24 people connecting via LAN would they each in parallel have 1 gig access each?  Also if I connect two of these units together and let's...

arlesterc by Beginner
  • 4 replies
  • 0 Helpful votes