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Content-ID: <Pine.LNX.3.96.990109015021.4834H@filesrv1.baby-dragons.com>
Hello Alexey , Found your newest patches against gated-3-5-10
& immediately had to start playing with them . I am attempting
to distribute the default route to my workstations (to no avail).
I have gated.conf on workstations not correct .
Jon Lewis reported a very interesting problem with gated &
aliased interfaces . Ie: it gets really hard to eliminate the
host routes from being broadcast. Jon uses ospf, although I found
the same using rip .
Description:
#ifconfig eth0:0 192.168.0.1
#route -en
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.0.1 0.0.0.0 255.255.255.255 UH 0 0 0 eth0
^^^^
127.0.0.1 0.0.0.0 255.255.255.255 UH 0 0 0 lo
199.33.245.252 199.33.245.54 255.255.255.252 UG 0 0 0 eth0
199.33.245.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
127.0.0.0 - 255.0.0.0 ! - - - -
224.0.0.0 0.0.0.0 240.0.0.0 U 0 0 0 eth0
0.0.0.0 199.33.245.54 0.0.0.0 UG 0 0 0 eth0
Note the eth0 dev for the route , To make things easy I was going
to attempt to filter on interface eth0:0 . But that turns out to
be no good as 192.168.0.1 isn't routed thru eth0:0 .
Now for an excersize make that approximatly 200+ aliased
interfaces and you can begin to see the difficulty in filtering
that many Host routes out of the rip/ospf/??? stream .
Also for another excersize just see what happens on a system where
you are at the console ( I MEAN at the console ), Try creating
the above aliased interface with a -really- simple gated.conf
(see attached) and do a 'gdc stop' then a 'gdc start' .
I think you'll be -VERY- surprised in the resultant route table .
Ttys, JimL
+-----------------------------------------------------------------------+
| James W. Laferriere - Network Engineer - babydr@baby-dragons.com |
| System Techniques - 25416 - 22nd S. - Des-Moines, WA 98198 |
| Give me VMS -or- Give me Linux -but- only on AXP |
+-----------------------------------------------------------------------+
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