I have a Cisco 4506 for my core doing Layer 3 routing. I want to trunk ports from the Cisco to the 3Com's for high bandwidth , ie - bonding 2 Gigabit ports together on each switch. Is that possible?? Tks.
Re: Trunking with Cisco 4506 n 3Com 2848-SFP switches
Yes, that's possible. First create a trunk port on the 4500 switch and change the native vlan to some unused vlan. Cisco trunk port uses native vlan as Vlan1 by default which is not used in the 3Com switches. Do this on Cat4500
int gig x/y
switchport trunk encapsulation dot1q
switchport mode trunk
switchport trunk allowed vlan
switchport native vlan 999 <-- this vlan is some unsed vlan on Cat4500.
On 3Com switch, you have to manually tag all the vlans that you want to pass between the two switches.Use the allowed vlan list as mentioned above to allow specific vlan to travel across the trunk port. Also make sure that you are running the required STP mode between the switch i.e make sure that you are running PVST+ atleast on cat4500.
This is actually a pretty cool feature, i didn't even know it existed until I was looking for a solution to advertise a subnet (prefix in BGP talk), only if a certain condition existed. This is exactly what conditional advertisements does
j ai une question j ai achete un routeur cisco 887VA-k9 , je le configuré avec la configuration ci- dessous
si je le lier avec mon pc portable sur l un de ses ports directement ça marche toute est bien ( la connexion internet + m...
Attached policy provides CLI access to the Cisco 4G router over text messaging. Two files are in the attached .tar file:
2. PDF with instructions on how to load and use the .tcl file.