one way network traffic

2007-12-25 11:01:00

Thanks for everyone who replied. First the original question...

A sun sparc running solaris 2.5.1 on subnet A, an alpha running VMS on

subnet A. When someone tries to telnet (or any network connection) the

sparc from the same subnet, no problem. I can telnet to the sparc from the

alpha. Problem is when I try to telnet to the sparc from another subnet I

can't make a connetion. I am not sure if this is a problem with the router

but from another subnet I can do two-way network traffic from any machine

on subnet A. I did some checking and when connecting to the sparc from

another subnet, the sparc is recieving the connection, it appears that

packets are not leaving the subnet A. SO the end result is that the sparc

is not accessible from machines outside of subnet A. I have a netstat -rn:

Routing Table:

Destination Gateway Flags Ref Use Interface

-------------------- -------------------- ----- ----- ------ ---------

127.0.0.1 127.0.0.1 UH 0 35673 lo0

199.232.0.0 199.232.0.2 U 3 77 le0

224.0.0.0 199.232.0.2 U 3 0 le0

default 199.232.0.1 UG 0 558

Any suggestions welcome.

-------------------

I forgot to mention that at our site we really have multiple class C

networks that are supernetted. I have this habit of calling each network a

subnet. Wrong name I know, just a habit.

The problem would occur sporadically. Most of the time it would occur

during heavy usage of the network. It turned out that the problem was the

router. Once the router was reset everything worked. I haven't had any

problems since last week. Thanks again to the following...

They all suggested that the problem might be the network settings on the

sparc. I thought so too although I repeatedly rechecked those settings.

--------------------------------------------------------------

Don Khan

Wentworth Institute of Technology, Boston MA, USA

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