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Old 04-05-2004, 09:34 AM   #1
cli_man
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Registered: Apr 2002
Location: New York, USA
Distribution: Redhat 7.2, 9.0 Slackware 9.1
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Routing between eth1 and eth1:1


I have just set in a server that is acting as a firewall, it has 2 network cards:

eth0 - this is outgoing to the internet
192.168.0.2
255.255.255.0
Default gw 192.168.0.1 - This is the router

eth1
63.174.233.2
255.255.255.0

eth1:1
63.166.92.2
255.255.254.0

The problem I am having is, I cannot ping from a host in 63.174.233.x to a host in 63.166.92.x network, when I do I get the following (this ping request is coming from 63.174.233.21):

Code:
sh-2.05b$ ping 63.166.92.26
PING 63.166.92.26 (63.166.92.26) 56(84) bytes of data.
From 63.174.233.2: icmp_seq=1 Redirect Host(New nexthop: 63.166.92.26)
From 63.174.233.2: icmp_seq=2 Redirect Host(New nexthop: 63.166.92.26)

--- 63.166.92.26 ping statistics ---
7 packets transmitted, 0 received, 100% packet loss, time 6023ms

sh-2.05b$
If I go from the 63.166.92.0 network to the 63.174.233.0 network it works perfect, I will list my routing table below:

Code:
root@ids:/var/log# route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
63.174.233.0        *               255.255.255.0   U     0      0        0 eth1
192.168.0.0     *               255.255.255.0   U     0      0        0 eth0
63.166.92.0     *               255.255.254.0   U     0      0        0 eth1
loopback        *               255.0.0.0       U     0      0        0 lo
default         192.168.0.1 0.0.0.0         UG    2      0        0 eth0
root@ids:/var/log#
If anyone can give me some help here, thanks.

Edit:
I just found out, on the 63.166.92.0 network I was trying to ping wireless radio's and they are the ones giving me the problem, they worked fine before I put in the firewall and now I cannot ping them, I can still ping the routers that are behind the radios so I am going through:
me(63.174.233.21) -> firewall eth1(63.174.233.2) -> firewall eth1:1(63.166.92.2) -> wirelessRadio(63.166.92.24) -> endclient router(63.174.233.25

So I can ping the wirelessRadio but no the endclient router?

Last edited by cli_man; 04-05-2004 at 09:58 AM.
 
Old 04-05-2004, 11:18 AM   #2
cli_man
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Ok it looks like we have it working now, it turns out the wireless radio's had the old router cached in them and just reseting them seems to fix the problem, a fun job since there are about 100 of them on the subnet
 
Old 04-05-2004, 12:41 PM   #3
ugge
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I don't know but shouldn't the route for 63.166.92.0 be eth1:1
Don't know that show in the routing table.
 
Old 04-05-2004, 12:54 PM   #4
cli_man
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It is but it does not show.
 
  


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