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problem with DHCP snooping for Win98

volgaprbb
Level 1
Level 1

I have got Catalyst 2960-24. I try to enable dhcp snooping.

I have got DHCP server on central Catalyst connected to 2960-24 through G0/1.

And I have got dhcp clients Win98, which could not get correct ip settings (mask, gateway)

from dhcp server after installation dhcp snooping. (before snooping was all right).

Other clients (win 2000, winXP) work orderly with DHCP server and DHCP snooping.

And DHCP snooping doesn't work correctly on Win98.

What adjust DHCP snooping for Win98 client it is correct worked DHCP and DHCP snooping?

version 12.2

no service pad

service timestamps debug uptime

service timestamps log uptime

service password-encryption

!

hostname EXV52_C2960-24TT-L

!

enable secret xxxxx

!

clock timezone MSK 3

clock summer-time MSK recurring last Sun Mar 2:00 last Sun Oct 2:00

ip subnet-zero

!

ip dhcp snooping vlan 205,300

no ip dhcp snooping information option

ip dhcp snooping

no ip domain-lookup

!

!

!

!

!

no file verify auto

spanning-tree mode pvst

spanning-tree extend system-id

!

vlan internal allocation policy ascending

!

interface FastEthernet0/1

switchport access vlan 300

switchport mode access

spanning-tree portfast

!

...........................

!

interface FastEthernet0/24

switchport access vlan 300

switchport mode access

spanning-tree portfast

!

interface GigabitEthernet0/1

switchport trunk native vlan 100

switchport mode trunk

spanning-tree link-type point-to-point

ip dhcp snooping trust

!

interface GigabitEthernet0/2

switchport access vlan 300

switchport mode access

spanning-tree portfast

!

interface Vlan1

no ip address

no ip route-cache

shutdown

!

interface Vlan100

description Manager

ip address 10.10.10.52 255.255.255.0

no ip route-cache

!

ip default-gateway 10.10.10.1

no ip http server

ip http secure-server

!

control-plane

!

!

line con 0

exec-timeout 5 0

logging synchronous

line vty 0 4

access-class 1 in

exec-timeout 5 0

logging synchronous

line vty 5 15

access-class 1 in

exec-timeout 5 0

logging synchronous

end

1 Reply 1

volgaprbb
Level 1
Level 1

DHCP server is central Catalyst 3750:

ip dhcp pool Konto

network 192.168.22.0 255.255.254.0

netbios-node-type b-node

dns-server 172.16.2.253

default-router 192.168.22.2

ip dhcp snooping vlan 205,300

no ip dhcp snooping information option

ip dhcp snooping

interface GigabitEthernet1/0/1

descriptoin to 2960

switchport trunk encapsulation dot1q

switchport trunk native vlan 100

switchport mode trunk

spanning-tree link-type point-to-point

ip dhcp snooping trust

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