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Resolved! WS-C3750X-24S-S ports

A quick confirmation on the 24 SFP ports , can we configure them at 10/100/1000 speed even if i put a fiber SFP?Thanks for your confirmation it will be useful for me to confirm if i keep that old HP Procurve shit during transition ....Thanks in advan...

berkous1 by • Level 1
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  • 6 replies
  • 0 Helpful votes

Resolved! C4K_IOSMODPORTMAN-4-POWERSUPPLYBAD is logged, but power supply isn't failed.

HiI'm using "WS-C4948(12.2(54)SG)+PWR-C49-300AC/2".The following message are logged in the system log, but it was to check the status with the show command and status LED, but there was no abnormality.I thought the power supply has failed, but I seem...

Resolved! Easy Spanning tree question

Hello gurus.I have a spanning-tree doubt that sure you can answer me easily.Imagine you have a network with some loops so spanning tree is blocking redundant ports.If you have bad placed the root switch (imagine that you have it in the last switch in...

RIPv2 authentication data calculation

Hi,i have a question about computing MD5 hash in RIPv2 authenticated packet. I am implementing RIPv2 software router and I need to find combination of input data to compute MD5 hash wich has to be checked when packet is recieved or appended when pack...

ME3600 does not support rstp!!!

       i have some ME-3600x. some of version 12.2 and one of version 15.5. te last one hast same config as all other. but if i check for rstp it sends #sh spanning-treeNo spanning tree instance exists.i know abount global config commands:spanning-tre...

VSS Split

Dear Community MembersCurrently we have 5 sets of VSS running on 5 different locations and because of a failure of one of the sup module, we have decided to split the VSS and run normal spanning tree and HSRP/VRRP (for VRFs) to avoid what we perceive...

Find err-disabled ports on a 3560 fails ?

i am trying to find err-disabled port on our WS-C3560G-48PS switches. I want to use the CISCO-STACK-MIB for this, object id 1.3.6.1.4.1.9.5.1.4.1.1.23. However the snmp-walk stops after portSpantreeFastStart(12).So i am never getting to 23.When i deb...

guilty_2 by • Level 1
  • 411 Views
  • 0 replies
  • 0 Helpful votes

Resolved! ASR Licenses & General License Issues

I have several license questions which are not covered in previous discussions or in the Cisco documentation.1.  On an ASR there is no license stored file in flash (performing a "dir" yields no file with the extension lic).  The show license yields n...

tmach by • Level 1
  • 3203 Views
  • 9 replies
  • 0 Helpful votes

CCNP & Layer 1 Switching

  Hi All,I am beginning my studies for the CCNP, and I've already come across something interesting; the concept of Layer 1 switches.  However, I'm not quite sure I see their benefit.  The way I understand it, is that they are basically semi-smart pa...

switch reloads

Hi ,I am facing the issue on switch 6513, it reloads after 2-3 days.Please suggest waht is the reason behind it.The sh ver of the switch is:------------------ show version ------------------Cisco Internetwork Operating System Software IOS (tm) s72033...

Resolved! RE:Commands explaination of vlan access-map,vlan internal allocation policy & spanning-tree extend system-id

Hello Experts,Please let me know the reason of using following commands !redundancymode ssomain-cpuauto-sync running-configspanning-tree mode pvstspanning-tree extend system-id!!vlan access-map Sec 10match mac address HATaction drop!vlan internal all...

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