network diagram:

6509------7609

| |

2950-1 3500-1

|

2950-2

6509 VER:CatOS 7.1(2)

7609 VER:CatOS 8.4(5)

switch interlink protocol is trunk.

problem:

1、7609 vtp mode is server and domain hyzp.6509 configure vtp mode server.but auto instead transparent mode.

2、3500-1　have a vlan 5　can access gateway address.but 2950-2 have a vlan 5 can't access gateway,2950-2 vlan 5 can't access 3500-1 vlan 5.

3、2950 vlan 1 can access gateway address. 2950 can learning vtp message and have all vlan message.