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Route add probleme

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# 1  
Old 08-14-2007
Route add probleme
I have a system that i want to reach via a vpn created vi a fierwall.The fierwall in an other system.
The ip i am trying to get to is 172.16.4.48
I need to get to it via the hme1 interface.
The vpn gateway has this ip 172.30.50.1
I need to clean up the routing table and make this work; or is it impossible

Here is the system info:

OS Solaris 5.10
Code:
# ifconfig -a
lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1
        inet 127.0.0.1 netmask ff000000
hme0: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2
        inet 172.30.50.7 netmask ffffff00 broadcast 172.30.50.255
        ether 8:0:20:b0:16:98
hme1: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 4
        inet 172.16.0.1 netmask ffffff00 broadcast 172.16.0.255
        ether 8:0:20:b0:16:98

Code:
# netstat -nr

Routing Table: IPv4
  Destination           Gateway           Flags  Ref   Use   Interface
-------------------- -------------------- ----- ----- ------ ---------
172.16.0.1           172.30.50.1          UGH       1      0
172.30.50.0          172.30.50.7          U         1    258  hme0
172.16.0.0           172.16.0.1           U         1      0  hme1
224.0.0.0            172.30.50.7          U         1      0  hme0
default              172.30.50.13         UG        1     19
127.0.0.1            127.0.0.1            UH       17    163  lo0


Smilie Waterboy
Last edited by zazzybob; 08-14-2007 at 09:46 PM.. Reason: Link removed - code tags added
# 2  
Old 08-15-2007
on the line with hme1 interface you have :
Code:
Destination - 172.16.0.0       Gateway -     172.16.0.1           U         1      0  hme1

Since you want to reach the vpn gateway, which is 172.30.50.1, shouldn't this IP be stored as gateway ?
If you need to wipe out use :
Quote:
route [-v] [-A family] del [-net|-host] target [gw Gw] [netmask Nm] [metric N] [[dev] If]
# 3  
Old 08-15-2007
i deleted the route
i deteted the route

Code:
delete net 172.16.0.0: gateway 172.16.0.1
# netstat -nr

Routing Table: IPv4
  Destination           Gateway           Flags  Ref   Use   Interface
-------------------- -------------------- ----- ----- ------ ---------
172.16.0.1           172.30.50.1          UGH       1      0
172.30.50.0          172.30.50.7          U         1    554  hme0
224.0.0.0            172.30.50.7          U         1      0  hme0
default              172.30.50.13         UG        1     30
127.0.0.1            127.0.0.1            UH        6    186  lo0

Now i try to ping the ip

Code:
# ping 172.16.4.48
ICMP Host Unreachable from gateway 142.161.195.149
 for icmp from clinidau (172.30.50.7) to 172.16.4.48

And tryed a trace.

Notice: i noted that it did not go out the correct interface.

Code:
# traceroute  172.16.4.48
traceroute: Warning: Multiple interfaces found; using 172.30.50.7 @ hme0
traceroute to 172.16.4.48 (172.16.4.48), 30 hops max, 40 byte packets
 1  205.200.254.2 (205.200.254.2)  2356.387 ms  2304.147 ms  1338.262 ms
 2  205.200.254.161 (205.200.254.161)  2020.312 ms  2334.031 ms 205.200.254.186 (205.200.254.186)  2318.462 ms
 3  142.161.195.149 (142.161.195.149)  2030.775 ms  2183.373 ms  2124.792 ms
 4  * 142.161.195.149 (142.161.195.149)  1234.453 ms !H *
 5  * 142.161.195.149 (142.161.195.149)  2005.185 ms !H *
 6  * * *
 7  * * 142.161.195.149 (142.161.195.149)  1984.646 ms !H
 8  142.161.195.149 (142.161.195.149)  1787.579 ms !H  1995.651 ms !H *

Then i did
Code:
route add 172.16.4.48 172.30.50.1 -interface 1

# ping 172.16.4.48
172.16.4.48 is alive

# netstat -nr

Routing Table: IPv4
  Destination           Gateway           Flags  Ref   Use   Interface
-------------------- -------------------- ----- ----- ------ ---------
172.16.4.48          172.30.50.1          UGH       1      0
172.16.0.1           172.30.50.1          UGH       1      0
172.30.50.0          172.30.50.7          U         1    560  hme0
224.0.0.0            172.30.50.7          U         1      0  hme0
default              172.30.50.13         UG        1     31
127.0.0.1            127.0.0.1            UH        6    186  lo0


# traceroute 172.16.4.48
traceroute: Warning: Multiple interfaces found; using 172.30.50.7 @ hme0
traceroute to 172.16.4.48 (172.16.4.48), 30 hops max, 40 byte packets
 1  172.30.18.1 (172.30.18.1)  1.849 ms  1.128 ms  1.104 ms
 2  * * *
 3  * * *


i never get to my ip, and i still not using the hme1 interface.

How can i force the use of my hme1 interface with a gateway of 172.30.50.1 to reach 172.16.4.48
Last edited by waterboy; 08-15-2007 at 04:09 PM..
# 4  
Old 08-16-2007
Use Advance Routing command
Hi,
You can see Advance Routing How-To. "iproute2" is package which contains command "ip". "ip" is a greate magical command which can help you for many advance configurations. For your case I go for
ip route add 172.16.4.48 dev hme1 via 172.16.0.1

there is lot more to do with this ip command. Enjoy with
ip route help
# 5  
Old 08-16-2007
Your routing table is incorrect. You have not set up the table properly. Please review and get back to me with what you think might be wrong. Thanks.
# 6  
Old 08-17-2007
iproute2
Can anyone tell me where to find a clean iproute2 package for solaris 10?
I have look but i cannot find one for solaris 10.

Thanks
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