network problem

[vti]

I got a unix box .4.0f on it and sometimes one of subnet cant reach that machine.
The machine ip conf. is 10.0.2.160 netmask ffff0000 broadcast 10.0.255.255 ipmtu 1500

When this situation happen i can reach by machine which has 10.4.0.155 and 255.255.0.0 ip configuration and can't reach by pc which has 10.0.51.52 and 255.255.0.0 conf.

and there is also ppp connection .Sometimes different users connect from a company by modem which out of our company Can it be reason for this.

Ps: it's not on hub.

please help.

 

[mrn]

What routes do you have set-up?

do:- netstat -rn --
| Mike Nixon
| Unix Admin
|

http://www.instantflashshop.com

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[vti]

Hi mrn;
here it is:

default 10.0.0.1 UGS 19 53139 tu0
10/16 10.0.2.160 U 3 50023 tu0
10.0.0.249 10.0.0.112 UGHS 1 11105 tu0
10.0.100.249 10.0.0.112 UGHS 0 1973 tu0
127.0.0.1 127.0.0.1 UH 7 198869 lo0
223.0.2.10 223.0.2.11 UH 2 5567 ppp0