Switching

Hello guys,Had this question related to VRRP. We all know VRRP master router responds to ARP requests sent by the end hosts with the Virtual MAC address.My question is, what would be the source MAC address when the VRRP router itself sends an ARP req...

Hi Experts, Good Day! I encounter suddenly an issue in the 6509 series router with an IOS version of s72033-adventerprisek9_wan-vz.122-18.SXF10.bin. We are now encountering a high CPU utilization which is shown below and when I checked the possible c...

Hi Cisco Community / Friends, I am new to this site though I have cisco account for many years. I am a CCNA ,I  passed my certification on January 2013 I seldom use and utilized my skills on networking becuase of my type of work. I am Project Eng'r w...

Hi,We have purchased a few 2960CPD-8TT-L's which we want to connect to our other 2960 24 and 48-port switches.We have implemented 802.1x for wireless and wired clients. Our last step is to replace a few remaining desktopswitches.We do not have ISE an...

Hi, I have 6509 with sup1A-2G. Now the cat OS crupted,it loads in to rmmon mode. My question is in this mode will it recognize flash card?

I've just received a ws-c3560g-48ps-s and noticed the lack of stack ports on the back, I thought all the 3560's were stackable, if so how the hell do you make it stackable? Guessing using the sfp.

Hello! I have very simple, and  I guess, stupid question.I understand how switches choose forwarding ports by calculation cost to root.But how path from root to other switches is calculated?Let's say we have just two switches, connected by two  1G li...

Greetings,We are trying to troubleshoot a Cisco Catalyst 6506E 720Sup switch. When powered ON, the switch keeps getting into Rommon mode.I have tried the recovery procedure using the s72033-ipbase-vz.122-33.SXI2a.bin on the bootflash:. Any command I ...

Hi, For some reason when I ran the command test cable-diagnostics on some cisco 3750x the test never complete. Here is the command:test cable-diagnostics tdr interface gigabitEthernet 1/0/44TDR test started on interface Gi1/0/44A TDR test can take a ...

Friends , I have one question please . in Nexus 5596T Switch the 32 fixed 10GBASE-T ports does it support both 1 Gig and 10 Gig or only 10 Gig ? Please advice ! Thanks in advance ...

Hi,We have in production a stack consist of 2 x 3750 switches - ie a 48 ports and 24 ports with same IOS & version.The 1st 48 port switch is the master with port 1 uplink to a router and 2nd switch is a 24-port slave .if we remove the master switch (...

Hi.. i have been running nexus 5548 and looking for implement ospf. But not sure whether it support advance ospf routing. Pls tell me whether ospf would run on this switch with all its advance features. Software  BIOS:      version 3.5.0  kickstart: ...

I plan to buy SmartNet for my Core Switches 4503-E that has:Mod Ports Card Type                                                  Model              ---+-----+-------------------------------------------------------+------------------ 1     4  Sup 7-E ...