Switching

I have two switches connected with two trunk links. On the first switch spanning tree is switched off. On the second switch, MST is turned on. Ports configuration is as follows: interface Ethernet0/2 switchport trunk allowed vlan 2-4 switchport trun...

Hi all, this will likely become a longer one... We have quite a large network with more than 130 switches, some of them not always online but always more than 100. We have about 50 Vlans but still a lot of devices in Vlan1. We do not have any routers...

I have a issue with a 6500 Switch. this show a log and i cant understand what is about, can you help me?. Jul 6 06:07:18.234 gmt: SW2_DFC6: amd_flash_program_generic_x16 FAILED!! @ addr = 0xFFB529C8, op_status = 0xFBE4, value = 0x464 This event ocu...

Working with a Cisco Meraki firewall. These things don't give you much as far as options go for troubleshooting, I really wish it was an ASA! Here is the issue that I'm hoping to get some clarity on. At some point this morning a small network consis...

Hi, The following error is coming when I will configuring a new C4510 R+E and software ver 15.5. I need a quick help on this. %SFF8472-5-THRESOLD_VIOLATION: Te5/1: Rx power low alarm: Operation value: -25. 8 dBm, Threshold value: -18.4 dBm. %SFF84...

Hi, Regarding the table attached, I can not support a massive outage of my 6 CS2921 connected to the RPS2300, is that correct?, why?, it doesn't make sense I'll need almost one to one RPS-router.Thanks in advance! Laura

Hi,  I am using the Cisco Nexus 5548 device and I am getting the crc error in number of interface, this is very hectic to check each and every interface of all DC devices, so i would like to setup the monitor to Monitor the CRC error. so i am request...

HI, i have a CISCO ME 6524 switch. the switch is stuck in rommon mode. it is not coming up after giving boot command. w hen i change config register to 0x2142 and reset. it loads. after that i revert config register back. at that time if soft relo...

All, One of my APs said "Authentication failed" but all is good on the AP side. Do you know why this is happening? Also, my other AP was failing too (different message) but now is all good. Anyone? Suggestions will be greatly appreciate it. Model: Ci...

Dears ,I have too much output drops in my cisco 7206 VxR NPE G1 router .I'm doing dot1Q on this interface and is connected to  switch , i changed the router and IOS but still the error is same . What can be the reason . The interface on switch and ro...

Hello,  I have this WS-C2960X-48FPS-L where I have 4 APs connected to it. Out of the 4 APs two are powered and two other do not seem to receive power at all yet power is configure on those interfaces as you can see below. What could be the issue? 931...

Hi, Have 3 switches in a stack, I know the passwords just prepping to hand over to other company Just looking to verify this is what is needed: Log on to primary switch Switch# write eraseSwitch# delete flash:vlan.datSwitch# reload Can I also do this...