What happens when you do a "trace route" from host A to B?? Where do the
packets stop?? When you issue a "sh ip route 172.16.10.2" on router A and a
"sh ip route 172.16.30.1" on router B, what do you see? Are these hosts NT
machines? If yes, try a "route print" on their command prompts to see if
there are routes to the other ends.
ER
----- Original Message -----
From: "chris marinos"
To:
Sent: Sunday, April 15, 2001 2:47 AM
Subject: Subnet mask/ OSPF Routing [1:3308]
Can ping one way with response from host B to A but not from host A to B. I
can ping host B just fine from everywhere but host A. In Cisco's CIT book I
remember the exact situation which resulted in a subnet masking error but
everything seems to be fine as far as I can see. advice would be
appreciated
Thanks,
___________________________________________________
HOST A
PC #1 Ethernet int
IP address is 172.16.30.2 / 24
Gateway is 172.16.30.1
__________________________________________________
|
|
--------------------------------------------------
Router B
Ethernet0/0 is up, line protocol is up
Internet address is 172.16.30.1 / 24
Serial0/0.1 is up, line protocol is up
Internet address is 172.16.20.2 / 24
OSPF is configured as network 172.16.0.0 0.0.255.255
----------------------------------------------------
|
|
|
----------------------------------------------------
Router A
Serial0/0.1 is up, line protocol is up
Internet address is 172.16.20.1 / 24
Etherne0/0 is up, line protocol is up
Internet address is 172.16.10.1 / 24
OSPF is configured as network 172.16.0.0 0.0.255.255
---------------------------------------------------- |
|
----------------------------------------------------
HOST B
PC #2 Ethernet int
IP address is 172.16.10.2 / 24
Gateway is 172.16.10.1
Message Posted at:
http://www.groupstudy.com/form/read.php?f=1&i=3312&t=3308
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