Switching

We have a weird issue where multiple switches are losing connectivity only on the management vlan at different times.  It only happens for less than five minutes and then comes back up.  It is happening on 4510's and 3850's.  Nothing shows up in the ...

hi i want cisco switch 24 port gigabyte with poe for all port ... what is the model ? manag or unmanag i have tower to broadcasting net for users

Hi there. Now I'm facing Type-2 inconsistency problem.  I don't know what's the problem.  Here is the output. what should i do to fix this ?  Thank you in advance : ) [7K_1]switch# show vpcLegend:                (*) - local vPC is down, forwarding vi...

Dears please give me notes about VPN please anyone have then share with me on murarip6@gmail.com

I have tested this, but results are different in each case.. What if I have a host connected to port 1 (IP-MAC), and is in snooping binding database..  and now someone moves him to Port 2...  I have snooping, DAI, and SG configured DHCP snooping bi...

Hello ! I'm trying to configure etherchannel between router 4431 and switch 3850, i need some advice how to configure etherchannel

Hi guys.   I am currently having an EIGRP issue. I will make long story short.   Topology is simple, an ASA firewall connect to a Cisco switch, and running Eigrp. My question is from switch i show ip eigrp neighbor detail:     209-Remote#show ip eigr...

i need to know N7K-SUP1-8GBUPG coming with 2 4G Ram or 1 8G Ram ?

Hello, The current ios version of our router is c2900-universalk9-mz.SPA.152-2.T3.bin and would like to upgrade it to latest version c2900-universalk9-mz.SPA.154-3.M7.bin. After the upgradation we lost almost all spoke location which was connected vi...

Hi  I have two Nexus 5538UP switches, that i have bought some peak optical SFTP modul to, the model is PTSFP-24-1111F I will used them to link my ASA 5525 to directly to my Nexus 5548UP switches. The problems is that when i make a link between Nexus...

Hi We know the portfast port cannot connect to another switch. otherwise it can cause loop. Anyone can explain it ? Thank You

Hi Folks ,  I am migrating two sites from 2921 to 4331 routers , the router are having LTE backup link , How can I check the SIM specs and size for NIM-4G-LTE-GA , would appreciate your valuable feedbacks Thank you .