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Hi,When I look through the CLI I can see detailed information about MST instances:switch1#show spanning-tree mst##### MST0    vlans mapped:   1-1999Bridge        address 001e.bdc0.7180  priority      24576 (24576 sysid 0)Root          this switch for...

Hello.    Can somebody help me please!?   ROM: System Bootstrap, Version 12.2(17r)S4, RELEASE SOFTWARE (fc1)BOOTLDR: Cisco IOS Software, c7600s72033_rp Software (c7600s72033_rp-ADVIPSERVICESK9-M), Version 15.1(2)S, RELEASE SOFTWARE (fc1) METROAGG1 up...

aleks by Level 1
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  • 16 replies
  • 0 Helpful votes

Hi All ,   I am facing EIGRP flapping issue , refer below logs :   Please suggest what could be the issue :   R01 logs ====================================================================== .Aug 22 06:05:45.125: %DUAL-5-NBRCHANGE: EIGRP-IPv4 107: Nei...

telus by Level 1
  • 3164 Views
  • 2 replies
  • 0 Helpful votes

  Hello Everyone!    This is kenneth.   I've encontered the problem. The problem is multicast issue.   Topology: Server( M source) -> C3650( First hop, RP, DR) -> C3560 -> Server(M Receiver)   When the mroute table had both of (*, G) and (S, G), mult...

Vlans and internet connection So, I'm a little confused. So i have 3 Vlans created. Vlan 1 - Port 1 - 16 Vlan 50 Port 17 - 32 Vlan 100 Port 33 - 48 They each have their own dhcp server etc. Which port should i connect my comcast cable to.  Should I h...

Hi, I am currently learning and labbing for my CCENT Cert. So I wanted to enable SSH, but had the "crypto" command missing. I then googled that my image probably doesn't support "crypto".At the Cisco Feature Website I can search for all available ima...

Gagovski by Level 1
  • 1168 Views
  • 2 replies
  • 0 Helpful votes

Hello,   I need a new switch recommendation similar to the SF302 8-port model.  Our requirements are that we need to run the switch from one cubicle to accomodate 2 VoIP phones.  That cubicle runs to our switch room where it is connected to another P...

I Configure mac authentication bypass with NPS server and its working if I add mac-address in active directory.  But for Unknown devices ports are still going error-disable state 9(Orange) .  instead it should go in guest vlan.   Please see my...

ITexpert by Level 3
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  • 2 replies
  • 0 Helpful votes

Hi experts,     I have an issue with Cisco ASR 903 router, which is generating logs as below.IST: %IOSXE_INFRA-5-PUNT_SVC_INVALID_OPT_PKT: Invalid IPv4 options packet punted to RP I am seeing packet drop on one interface. Please let me know how I can...

naveen_ap by Level 1
  • 2822 Views
  • 1 replies
  • 0 Helpful votes

We have 2 3650 switches in stack. i m unable to login standby stack member (switch2) using command "session" as advised in documents.   Please advise how to login standby/stack members from active switch and commands.   IOS  - Denali 16.3.5 IOS versi...

On random occurences I see the following events in the logs:   21474835912018-Aug-15 13:12:08Informational%MLDP-I-MASTER: Switching to the Master Mode.      21474835922018-Aug-15 13:11:59Warning %MLDP-W-ABORT: Connection to Unit 1 is aborted due to S...

ocs-9 by Level 1
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  • 4 replies
  • 0 Helpful votes