[Xen-users] Cannot ping 192.168.0.21, everything else works

[Ugo Bellavance <ugob@xxxxxxxx>]

Hi,

	I've tried to figure this one out for the past few days, but I just 
can't.  The problem is rather simple, everything works fine, but I can't 
ping this specific IP address (192.168.0.21), from Dom0 or DomUs.  This 
IP address is an HP printer (JetDirect card)

  Here are the details:

-Using xen-3.0.3-80.el5_3.3 on RHEL5
-eth0 is linked to xenbr0
-eth1 is linked to xenbr1 (which has 192.168.0.171)
-iptables -L shows nothing (I disabled it)
-ip6tables -L shows nothing (I disabled it)
-route shows correct route from 192.168.0.0 255.255.255.0 -> eth1
-arping -I eth1 192.168.0.21 shows the mac address and a response time 
-around 1 ms
-One of the DomU is my nagios server, and I can monitor all the service 
I want, except a service on 192.168.0.21
-I cannot access any service on this IP (port 21, 80, 280, 443, 515, 631 
and 9100 shows as open when nmapped from a different computer)
-There is no firewall between my Xen host and the HP printer

Any help would be appreciated.

Regards,

Ugo


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