ping stucks/hangs on PCI 3com NIC sk0 interface but works on builtin NIC

[Faizan ul haq Muhammad]

Hi
I have two PCI NICs and one builtin NIC on freebsd 7.0
ifconfig shows information somthing like:

bge0: flags=8843<UP, broadcast, runing, simplex, multicast>metric 0 mtu 1500
options=9b<RXCSUM,TXCSUM, VLAN_HWTAGGING. VLAN_HWCSUM>
ether 00:13:21:f8:7e:56
inet 192.168.0.1 netmask 0xffffff00 broadcast 192.168.0.255
media: Ethernet autoselect (none)
status: no carrier

sk0: flags=8843<UP, broadcast, runing, simplex, multicast>metric 0 mtu 1500

options=b<RXCSUM,TXCSUM, VLAN_MTU>

ether 00:0a:5e:1a:69:25

inet 192.168.0.2 netmask 0xffffff00 broadcast 192.168.0.255

media: Ethernet autoselect (none)

status: no carrier


Note: bge0 is builtin NIC
sk0 is 3com PCI NIC

now after configuration of IPV4 Addresses, when i verify the configuration with ping

if i ping bge0(ping 192.168.0.1) i get the response of success
but when i ping sk0 (ping 192.168.0.2) Ping gets stuck and gives no response, neither it gives success or host unreachable or denied kinda errors.. it just hangs over there.. and i can juz see one line of ping not proceeding anyway. and if I terminate it via CTRL C then i get statistics sumthing like 3 packets sent, 0 received and 100% loss...

I am stuck and my brain does not work any more here.. 
Can anybody help me ... 

Regards!!!!
Faizan

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