Switching

Hi, I have noticed that when we configure MA, all of its PIM neighbors install (*,224.0.1.39) and (S , 224.0.1.39),  but any routers behind these neighbors will not, they will only install (*,224.0.1.40) and (S , 224.0.1.40), is there any specific ...

Hello all,I'm a long time user of DHCP Snooping on Cisco switches.  We use the Option 82 information to differentiate DHCP clients based on the circuit-id and remote-id information added to the DISCOVER request.As the proud owner of a new 3850-24XU s...

shortly in this network , it content 15 vlan , vlan 4 management 10.0.4.0 255.255.252.0  vlan 8 voice 10.0.8.0 255.255.252.0 vlan 12 wireless 10.0.12.0 255.255.252.0 vlan 16 BMS 10.0.16.0 255.255.252.0  .... ect .. vlan 60 how to permit vlan 4 (manag...

Good evening, i just want to say thank you to all this amazing community you guys have been helping me a lot, i just made an account to ask my first question:I have this topology in the attachment, and im trying to get the DHCP server to assign ip to...

hi All, if you use a wave 2 ap which is rated at 5gbps with cat6e and connected to a 10gb port, can that port auto negotiate to 5gb or the switch has to be multi gigabyte for this to happen ? in another word, are there any APs that support wave2 an...

If I have a port-channel between to switches, in which there are two trunk members, and my switches are set to use mac-source for their hashing, I know that the same trunk member is used for return traffic to the source device.  However, say I have 1...

Folks, when it comes to deploying Cisco Nexus 7k and creating VDC, is it recommended to have the "R&D VDC" and the "Production VDC" both on the same physical box? In case of some broadcast storm on the "R&D VDC" could that even affect the "Production...

Tried booting from usbflash0, stuck in a loop...help! switch: dir usbflash0:Directory of usbflash0:/     1  -rw-  303772864  cat3k_caa-universalk9.SPA.03.06.06.E.152-2.E6.bin3705896960 bytes available (303824896 bytes used)switch: boot usbflash0:cat3...

I am trying to route between VLANs using "Configuring Static IP Unicast Routing" in "Catalyst 2960 and 2960-S Software Configuration Guide, 12.2(55)SE" but do not find a "ip route" command. I believe the switch is running the correct image-- flash:/...