"2. trunk port carrys all vlan information, so then all vlans will be able to communication, then how would i restrict them. (i mean vlan2 will communicate with vlan3 and not with vlan 4,5..)"
Trunks do carry the VLANs you allow, but each frame has a VLAN tag, so although physically on the same wire, the VLANs can not communicate with each other until they get to the router.
If you use a router with many ports, you might have some additional options to increase the bandwidth between the switch and the router. You might be able to channel ports, or provide links for specific VLANs.
This document gives several answers on frequently asked questions for PFRv3 channel state behavior.
Q1: What are all the channel operational states from a BR (border role) perspective and what are the rules/conditions to be in each st...
The need was to reach an host inside a LAN through a VPN connection managed by the LAN gateway (Cisco 1921).
The LAN gateway performs NAT and there was a dedicate nat rule for the host i wanted to reach through VPN.
I couldn't connect to the hos...
We have 3 identical switches configured by someone else and would like to claim some of the Gigabit ports(G1/G2/G3/G4) for use on servers. When we try to change the wiring and configuration, we run in to connectivity issues. Attached is a des...