Switching

Hello, We have configured ITD on both the Core nexus switches to redirect traffic towards the proxy server. After which we can see that the packets are being redirected towards the proxy servers. The requirement is that without any sort of Proxy co...

Dear Folks, I am working in an ISP. We are facing last mile protocol flaps for all customers in Metro ring with MSTP. Also we face link flaps often. We have no clue as we see only the link up/down log in the devices. We also raised a ticket with Cis...

Hello Team, I intend to connect a sever with 10G ethernet port to Nexus 5K. I need to know the right SFP (for 10G ethernet) to order. Any assistance will be highly appreciated. Regards, Ethelbert

hi. I have a C3650 switch.And knew that the C3650 has a switch Layer 2 Lan base license.So I did not have 'ip routing' settings.(only 'ip default-gateway set) After a long period of time.Made sure that the packet latency that occurs. Checking the swi...

Hi, I need to perform a ISSU non-disruptive upgrade for Nexus 5672 UP. Cisco suggested to disable any Layer 3 license present in the device to proceed as non-disruptive installation. I found only one key file in bootflash. show license usage shows on...

Dears we are facing issue with 2960s sw Aug 20 23:23:16.641: %ENTROPY-0-ENTROPY_ERROR: Unable to collect sufficient entropyAug 20 23:24:19.739: %ENTROPY-0-ENTROPY_ERROR: Unable to collect sufficient entropyAug 21 01:27:34.612: %ENTROPY-0-ENTROPY_ERRO...

Please check attachment Can ping From 172.16.1.39 to 172.16.1.37 and 172.16.1.38 Can ping from 172.16.1.37 to 172.16.1.39 but not to 172.16.1.38Can ping from 172.16.1.38 to 172.16.1.39 but not to 172.16.1.37 So basically First nexus is not able to c...

I have a new error in my Active ivent list (Cisco info center) qnet[86]: (stats): l3_device@972 l3_pkt_readv Overflow(0) What this bug meens? How can i solve this problem? Who can help me? Thanks. Sory for my English.

We have a few servers colocated at a hosting facility, behind a pair of ASA 5510s. The facility has advised us that we will be moved from a switched to a routed port, and we need to install our own switches between their new routers and our ASAs. The...

Hello all, I have configured the following for any traffic going from inside the ASA to the outside: object network INTERNAL-NETWORK subnet 10.30.0.0 255.255.0.0 object network INTERNAL-NETWORK nat (inside,outside) dynamic interface For some reas...

Every thing works good, but when i execute the SHOW LOG command it shows the below log errors.  I've attached the whole configuration. 8030233: Aug 19 16:22:53.472 CDT: %MAC_MOVE-SP-4-NOTIF: Host 18f6.43bb.5a33 in vlan 724 is flapping between port T...

Hi, we have more than 150 workstation in our network and many servers and more than 15 vlans, when i ping any vlan id , my ping time is not stable and changing with different numbers, anyone tell me the cause and the best solution for that? thanks in...