Switching

Hi,   I notice very strange traffic in my environment, in my firewall logs I can see my cisco 3850 switch using 192.168.1.2 trying to traverse my firewall to access 192.168.1.1 via icmp. It is very strange as the ip address configured on my switch is...

Dears, i want to configure private Vlan in my network to secure host within the subnet, i have all Default gateway on my ASA service module, how i can configure the promiscuous port settings on the 6509 switch and also i have a cisco IP telephony net...

I have a pair of Cisco 6880 switches connected to an Aruba stack that I have configured for GLBP. I am having issues with getting these 2 switches to pass traffic. The Cisco switches are configured with routed ports and sub-interface vlan tags and th...

Dear All,   could you please help me resolve this problem..?     I'm using Cisco 819-HG-4G-G-K9 Router, Due to Full disk we try to Format Secondary disk to get some disk space ,but accidentally we choose main flash:0 memmory.. now there is no ios or ...

Easy question. Does anyone have a link to or the procedure for password recovery on a 6840x? I flat out cannot find any documentation around this for the 6800 family of switches. 

Hi, how can I find, what is wrong with my network?My topology is with access Cisco switches, distribution switches and Cisco  core switches but the Cisco core switches they are in stack.And everything was fine..Now we migrated old core Cisco swi...

Dear,At our data center, we have a new pair of N9K's in a vpc domain, both connecting two downstream FEX switches in straight-through fashion. My concern doesn't relate to the downstream fabric extenders however, but mainly towards the vpc domain. Wh...

KABZ1016#sh run | i ntp ntp source Vlan260 ntp server 10.162.251.72 ntp server 10.162.251.71 KABZ1016#   KABZ1016#sh ntp status Clock is unsynchronized, stratum 16, no reference clock nominal freq is 250.0000 Hz, actual freq is 250.0000 Hz, precision...

Hi All,   Currently I am working on a project where are using Cisco PVST for our different VLANs that are   175  --- Management 176 --- PAGA SYSTEM 177 --- CCTV System 178 --- ACS System 179 --- TEL   We are having a situation from where two cables a...

Hi, please any  one can tell,will stp helps in detecting layes 3 loops....   Thanks 

Our Educational District just purchased 8 (Refurbished) Cisco Cat 3560 POE switches to upgrade from the dated 2950 switches.We downloaded the newest OS from our Cisco Account, but now I am lost.  Maybe it's me :)I start up the switch and connect via ...

Spoiler   Hi Guys,   Router is having strange issue, it reboots automatically. here below attached crash info. please help to solve the issue CMD: 'sh int GigabitEthernet0/1' 09:04:57 IST Wed Mar 14 2018CMD: 'sh ip eigrp neighbors ' 09:06:25 IST We...