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able to ping all hosts but not able to traceroute any host

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Operating Systems Solaris able to ping all hosts but not able to traceroute any host
# 1  
Old 11-05-2011
able to ping all hosts but not able to traceroute any host
i am using solaris 10 and i am able to ping all the hosts but i am not able to traceroute any of them. how to fix this?
# 2  
Old 11-05-2011
Can ping doesn't means can traceroute, sometime you will come across can traceroute but cannot ping.
There is some sort of packet filter such as firewalls which blocks traceroute packets which is a UDP packets on Solaris .
# 3  
Old 11-06-2011
can i do something from server side to enable it? is it like some kind of service.. if so can be enable it
# 4  
Old 11-06-2011
I don't think so unless you have some firewall software such as ipfilter that is running and configured to drop traceroute UDP packets I believe this issue lies away from the OS itself check out for firewalls that in between or ask your network admin
Code:
#svcadm disable ipfilter

# 5  
Old 11-06-2011
well the ip filter service is disabled on all hosts but those hosts are able to ping and traceroute well..
well have to check the firewall only i guess
# 6  
Old 11-06-2011
Ask network admin 1st then post here again the firewall might be configured to drop the traceroute packets for this host only unless this host has some modification on it's TCP/IP stack.
Last edited by h@foorsa.biz; 11-06-2011 at 10:51 AM..
# 7  
Old 11-06-2011
If you are not getting any replies for traceroute, it is your local router or gateway that is blocking the packets.
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