Ep3c120 db ping error

Hi all,

I use altera cycloneiii_3c120_dev_niosii_standard example (http://www.altera.com/products/devkits/altera/kit-cyc3.html)for Quatus V11.0

I generated zImage from cycloneIII_3c120_dev_niosII_standard_sopc.ptf

In Nios2-uClinux i selected

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Ethernet (10 or 100Mbit) --->

--- Ethernet (10 or 100Mbit)

¦ ¦

[*] Generic Media Independent Interface device support

¦ ¦ [ ] Opencores (Igor) Emac support

¦ ¦ [ ] MoreThanIP 10_100_1000 Emac support

¦ ¦

[*] Altera Tripple Speed Ethernet support (EXPERIMENTAL)

¦ ¦ [ ] Altera Triple Speed Ethernet MAC support(SLS)

¦ ¦ [ ] SMC 91C9x/91C1xxx support

¦ ¦ [ ] Broadcom 440x/47xx ethernet support

PHY Device support and infrastructure --->

--- PHY Device support and infrastructure

¦ ¦ *** MII PHY device drivers ***

¦ ¦

[*] Drivers for Marvell PHYs

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I configured eth0

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ifconfig eth0 192.168.42.20

=> ATSE: Waiting on PHY link ......

eth0 up, link speed 1000, full duplex, eth hw addr 00:07:ed:0d:09:19

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When I ping

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/> ping -c 2 192.168.42.5

PING 192.168.42.5 (192.168.42.5): 56 data bytes

--- 192.168.42.5 ping statistics ---

2 packets transmitted, 0 packets received, 100% packet loss

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thanks for help