Switching

Hello Everyone, We need to implement a design with 35 Acces Switches and 2 data center locations, with VSS config. We already decided to use 3850 Switcehs in Access Layer because stacking is mandatory as well as the power-stack option.Another require...

I'm attempting to setup VSS pair on 4500x. 1 of the 2 switches appear to missing some commands: On my Switch 1 this is the code:Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3 Switch Software (cat4500e-UNIVERSAL-M), Version 03.03.02.SG RELEASE ...

Hello, I am seeing this error on our router. I read that I need to check the MTU, but it doesn't look as if that is wrong. need somebody help with this issue.Here is some info that may help. notice the bandwidth set on one end of the connections inte...

I have two 4500x setup with vss, and working.i do however get the following messages during boot up:%SW_LEVEL-6-RESULT: Operational redundancy mode is UNKNOWN, due to software license-level mismatch at ACTIVE and STANDBY. Module name        Image lev...

I have an interesting ARP issue.We have two Palo Alto firewalls in HA pair -PAN1 & PAN2. They are connected to two different 3560 switches that are trunked together (PAN1 to SW1 & PAN2 to SW2). One switch is connected (dot1Q) to a 2851 router going t...

hi all , i need to know and get deep understand about wts power dissipation in router 7600. here is my condfig : Gateway7600#sh power system power redundancy mode = redundantsystem power total =     2669.10 Watts (63.55 Amps @ 42V)system power used =...

I'm trying to perform a certificate request on a 1921 router.  I've followed the wizard using Cisco Configuration Professional several times.  First I created a 2048 RSA key pair, then used the "Cut-and-Paste" wizard in CCP to generate the CSR using ...

Hi guys,I am planning on getting rid of packets going to unrouted nonexistent rfc1918 networks in our DC environment going into internet facing firewall from our core/distribution switch via default route. I am thinking on setting a bunch of rfc1918 ...

Have a strange issue. I have 23 branches, all have a pair of 2960S switches running c2960s-universalk9-mz.122-55.SE5.binEach branch has a Dell server with a Broadcom NetXtreme Gigabit chipset.When the server is set to auto/auto and switch set to auto...

hi all , i have router 7604 and  i have many clients and i have dymaic nat , each client will get seperate ip. but i found a non logical issue. althiug each client has seperate ip , none of the clients can do (pptp) to outside servers. i read a bit a...

Hi Experts, I have an issue connecting DMZ network in UCS. Please find my logical connectivity picture and i connected Core and DMZ network but whereas the DMZ Packets were dropping frequently and not properly working. could you please help to whethe...

Hi,I'm a bit new to Cisco gear. I've inherited a network which no one in the office seems to know the exact structure, so I'm discovering compoments\componets' purpose on the go.Among these components, I've discovered a Cisco 891 router that's used t...

systematically switched down and up all vlan interfaces on device, in the logs anything suspicious, anyone else encountered this problem? log:137:   10:56:14.071 NSK: %LINK-3-UPDOWN: Interface Vlan31, changed state to down 138:   10:56:14.071 NSK: %O...

Hi,I'm trying to activate call-home feature on Catalyst 4506-E switch. I have SUP7L-E. All commands releated to call-home are missing? Do I need to upgrade or what should do the trick? Version details below.Thank you,Petri############################...