>гадать чтоли.
>вы б настройки портов показали. 4006:
set trunk 4/48 on dot1q 1-1005
sh port 4/48:
Console> (enable) sh port 4/48
Port Name Status Vlan Level Duplex Speed Type
----- ------------------ ---------- ---------- ------ ------ ----- ------------
4/48 connected trunk normal a-full a-100 10/100BaseTX
Port AuxiliaryVlan AuxVlan-Status InlinePowered PowerAllocated
Admin Oper Detected mWatt mA @51V
----- ------------- -------------- ----- ------ -------- ----- --------
4/48 none none - - - - -
Port Security Violation Shutdown-Time Age-Time Max-Addr Trap IfIndex
----- -------- --------- ------------- -------- -------- -------- -------
4/48 disabled shutdown 0 0 1 disabled 106
Port Num-Addr Secure-Src-Addr Age-Left Last-Src-Addr Shutdown/Time-Left
----- -------- ----------------- -------- ----------------- ------------------
4/48 0 - - - - -
Port Status Channel Admin Ch
Mode Group Id
----- ---------- -------------------- ----- -----
4/48 connected auto silent 25 0
Port Align-Err FCS-Err Xmit-Err Rcv-Err UnderSize
----- ---------- ---------- ---------- ---------- ---------
4/48 - 0 1 0 0
Port Single-Col Multi-Coll Late-Coll Excess-Col Carri-Sen Runts Giants
----- ---------- ---------- ---------- ---------- --------- --------- ---------
4/48 0 0 0 0 1 0 0
Last-Time-Cleared
--------------------------
2950:
interface FastEthernet0/24
description To4006
switchport mode trunk
switchport nonegotiate
mls qos trust cos
auto qos voip trust
macro description cisco-switch
spanning-tree link-type point-to-point
!