Switching

Hi all, I'm currently trying to upgrade ios-xe a 4-member stack of 3650 devices.The documentation discusses different ios versions being compatible or incompatible with each other, and how each configuration affects the compatibility of the upgrade ...

Hi Guys, we are planning to upgrade IOS of 3750 switches. Currently we are running 12.2(55)SE10. Could you please let me know which is the next suitable IOS version to upgrade.

I am experiencing inconsistent echo-replay from devices connected via VPC to Nexus 5500s while pinging from the Nexus exec prompt.In some cases I receive normal response when pinging from one Nexus,  but no response when pinging from the other switch...

I have a RV320 running firmware version v1.2.1.14.  The router is configured to run in gateway mode using DHCP for the WAN address. _ get the IP address from Comcast. Everything is working fine, but I'd like to get the DHCP lease information. Problem...

Hi There, I am doing some research on the spanning-tree mechanism. I understood that the spanning-tree 802.1d can be used in combination of the RSTP 802.1w. When two switches are sending BPDU between each other they will use the legacy STP BPDU if o...

Hello Everyone ,I have an issue with  switch 2960S stackable with IOS 15.2(1)E1 as the whole network is down and i couldn't ssh the switch. After reboot i got the SSH and I checked the log and i found the following msg:  %AAA-3-ACCT_LOW_MEM_UID_FAIL...

Hey guys probably an easy answer here but im not sure how to do it. I have subfolders for each switch in my tftp-root directory using solarwinds tftp. Usually I just do copy running-config tftp: I would like to include the folder so I do not have to...

Hi Until now, we had for each subnet an own PXE server. From now on, there should only be one PXE server serving all subnets. We changed all ip-helper addresses and tried to set the DHCP options (66/67) but we receive a TFTP-E32 Timeout. The ports ...

Hi experts i am confused with 3 topics : 1. BGP Split horizon 2. BGP Syncronization 3. BGP loop prevention they all are inter related ? can someone explain plz ?

Hello. I'm using Windows Server 2012 R2 and Cisco Switch Catalyst 2960X. Firstly, I've deployed 802.1x and NAP. So basically I want to authenticate radius login to the switches,L3s, and routers. For now, i have different radius server using freeradiu...

Hi all, I found that on a ASR 1K series it's not possible to configure a service instance with qos on an aggregate etherchannel , but I don't know if the same limitation applies on a ASR 920 series. Can anyone tell me if it's supported? The configur...

I have a 4507R-E Switch with dual Sup 7L consoles that was recently updated to IOS XE 3.9.2E. After the upgrade and reloading the switch, the unit is misclassifying devices and the wrong macro runs. For example, we have a Cisco Phone plugged in on po...