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Operating Systems Solaris Gateway
# 1  
Old 10-14-2009

Hi all,

Just now i had change the gateway for a server
Go to  /etc/defaultrouter, change to
route  delete default
route  add default

now cannot telnet to the server already..
any idea?
# 2  
Old 10-14-2009
Hard to tell without more clues. might simply be unreachable.
# 3  
Old 10-14-2009
ya.. i had solve the problem.
the mainly problem is i remote to the server.
so when i run "route delete default"
it already delete the gateway, and the network disconnect between me and server.

thus, i need to use a console cable to control the server and change the gateway.
# 4  
Old 10-15-2009
Or you could add new gateway first, then delete old one. There can be multiple default gateways configured in Solaris, so for a moment you will have two.
# 5  
Old 10-19-2009
From change to

i had change the gateway by edit the /etc/defaultrouter and reboot
when i traceroute the IP, it seem din use the gateway.
# netstat -rn
Routing Table: IPv4
  Destination           Gateway           Flags  Ref   Use   Interface
-------------------- -------------------- ----- ----- ------ ---------           U         1    274 hme0            U         1      0 hme0
default             UG        1    282              UH        4    696 lo0

# traceroute
traceroute to (, 30 hops max, 40 byte packets
 1 (  0.439 ms  0.355 ms  0.363 ms
 2 (  0.621 ms  0.540 ms  0.532 ms
 3 (  37.913 ms  150.129 ms  123.220 ms
 4 (  95.977 ms  75.823 ms  67.358 ms
 5 (  112.043 ms  124.137 ms  103.480 ms
 6 (  87.116 ms  89.638 ms  95.185 ms
 7 (  96.460 ms  95.041 ms  95.208 ms
 8 (  119.496 ms  106.174 ms  97.186 ms
 9  * * *
10  * * *

# ifconfig -a
lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1
        inet netmask ff000000
hme0: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2
        inet netmask fffff000 broadcast
        ether 0:b:5d:f3:de:b

Any idea ??

---------- Post updated at 09:42 AM ---------- Previous update was at 08:51 AM ----------

me just now add route in the routing table
# route add net

but when i run the traceroute command, it still come out from instead of

Last edited by SmartAntz; 10-19-2009 at 10:02 PM..
# 6  
Old 10-20-2009
Might be incorrect/missing netmask settings.
Are your networks declared in the netmasks database ?
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