Switching

Folks, One of our user port gets blocked due to the source PC sending out the broadcast as the MAC. What could be the potential reasons? I have requested for a driver upgrade on the NIC card. Mar 18 09:33:41.954 UTC: %PM-4-ERR_DISABLE: psecure-viola...

Hello,  I have one problem with SG100D-08P. I connected one PC & one IP-CAM via this switch (I tried with PoE and without it, and different ports). ACT LED on CAM port periodically goes down for 2 seconds. IP-Cam Main and sub-stream works with huge f...

we have two cisco switches (IP: 10.50.1.1) stacked, recently two switches reboot/fail frequently, can we have a remote data center 30 KM away, with the redundant two switches (IP: 10.53.1.1), so when switches (10.50.1.1) fail, it auto fail over to re...

hello  i have 2 switchs cisco catalyst 2960 and alcatel-lucent 6250-P24 i already configure gvrp and vtp  i tray lot but it didn't work when i see the vtp counters or gvrp statistics nothing received i never try alcatel and i don't know even if vtp c...

Hi Guys , i have cisco ASR 1002 TOPOLOY AS BELOW :------LAN-CLOUD--------0/0/2---ASR1002---0/0/0---------->Internet i need to do LLQ for specific hosts in the local cloud . but , i find that my qos can match , but i cant see the performance of LLQ be...

ASA Version 9.1(7) interface Ethernet0/0  nameif outside  security-level 0  ip address 182.71.13.74 255.255.255.248 ! interface Ethernet0/1  nameif CDE  security-level 100  ip address 10.153.164.1 255.255.255.0 ! interface Ethernet0/2  nameif thi...

Hi, I am somewhat of a rookie and in a weird situation in my job where I was hired as an I.T. Specialist, but an I.T. Management service does all of the help desk and I am a liaison/babysitter. My question is on our Cisco 2800 Router being wired in c...

Hi. how can i introduce redundancy to avoid failover of services running in two different stack switches? Before, one of the stack switches failed and some of the services in our network were affected. how do i introduce redundancy to this current se...

We have a pair of 6509 E Cat Switches and now we need to implement VSS. We are planning to buy VS-S720-10G-3C to replace with the current SUP720-3B So before purchasing we want to know if the current current line cards will be compatible with new sup...

Hi  UDLD timers have always been mystery for me, is it possible for anyone to explain following attributes from show udld Fa0/16  1. Message Interval  2. Time Out Interval 3. Expiration time (in entry section) How do above timers work on UDLD Hell...

Hello, I have a 3560C-8PC-S running IOS 15.2(2)E4 with the ipbase license. From what I read elsewhere, this switch supports NetFlow Lite; however, I'm failing to see any flows exported when issuing a sh ip flow export.  Debugging ip flow export has n...