Успешно зарегистрировал squid на cat3550, но свич не перенаправляет пакеты (слушаю tcpdump'ом на cache server'е). Такое впечатление, что свич не распознает http запросы. Как можно отладить?

interface FastEthernet0/1
description client
no switchport
ip address X.X.X.221 255.255.255.252
ip broadcast-address 255.255.255.223
ip wccp web-cache redirect in
no cdp enable
!
interface FastEthernet0/24
description cache server
no switchport
ip address X.X.X.217 255.255.255.252
ip broadcast-address 255.255.255.219
no cdp enable
!
interface Vlan1
description internet
ip address X.X.X.54 255.255.255.224
no ip proxy-arp
no ip mroute-cache

#sh ip wccp web d
WCCP Client information:
    WCCP Client ID:          X.X.X.218
    Protocol Version:        2.0
    State:                   Usable
    Redirection:             L2
    Packet Return:           GRE
    Assignment:              HASH
    Initial Hash Info:       00000000000000000000000000000000
                             00000000000000000000000000000000
    Assigned Hash Info:      FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
                             FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
    Hash Allotment:          256 (100.00%)
    Packets s/w Redirected:  0
    Connect Time:            00:24:41
    Bypassed Packets
      Process:               0
      CEF:                   0
      Errors:                0