24 Aug
2013
24 Aug
'13
4:06 p.m.
The tunnel interface is a gateway to the rest of the class A network.
You have to allow this by setting a netmask of netmask 255.0.0.0
An your second ethernet interface to your radio LAN, you may set a
smaller netmask.
Steve
24 Aug
24 Aug
4:39 p.m.
New subject: (no subject)
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On 24/08/2013 22:06, kb9mwr(a)gmail.com wrote:
(Please trim inclusions from previous messages)
_______________________________________________ The tunnel
interface is a gateway to the rest of the class A network. You have
to allow this by setting a netmask of netmask 255.0.0.0
An your second ethernet interface to your radio LAN, you may set a
smaller netmask.
Only true if you're using the amprd encapsulation and routing daemon.
For all other cases the tunl0 interface is defined without a remote
host ip address, setting the mask to 255.0.0.0 might bypass the static
routes setup via rip44d or encap.txt or any other way. Connected
routes usually have a higher preference than static routes. So unless
you're using the new amprd, usage of netmask 255.0.0.0 might result in
issues contacting non-local AMPR subnets.
In the style of your description from above, the tunl0 is not the
gateway to the AMPR network 44.0.0.0/8 as the tunl0 is setup without a
remote host address. As such the tunl0 interface will allow you to
reach exactly 0 hosts within the AMPRnet without the routes created by
rip44d or other means. With rip44d the gateway is provided via the
routes added to the kernel routing table.
73 de Marc, LX1DUC
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26 Aug
26 Aug
3:57 a.m.
New subject: (no subject)
On Sat, 24 Aug 2013, Marc, LX1DUC wrote:
For all other cases the tunl0 interface is defined
without a remote
host ip address, setting the mask to 255.0.0.0 might bypass the static
routes setup via rip44d or encap.txt or any other way. Connected
routes usually have a higher preference than static routes.
Only if the routes have the same prefix-length. Otherwise longest match
wins is still the rule.
So unless you're using the new amprd, usage of
netmask 255.0.0.0 might
result in issues contacting non-local AMPR subnets.
How many non-local AMPR subnets do you know of that have a prefix
length of 8 or less? :)
Antonio Querubin
e-mail: tony(a)lavanauts.org
xmpp: antonioquerubin(a)gmail.com
28 Aug
28 Aug
1:44 p.m.
New subject: (no subject)
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If a route is missing the local connected route 44.0.0.0/8 will have a
higher priority than the static route 44.0.0.0/8 via UCSD, resulting
in the inability to reach those networks for which a direct route is
missing.
See comment above.
73 de Marc, LX1UDC
For all other
cases the tunl0 interface is defined without a
remote host ip address, setting the mask to 255.0.0.0 might
bypass the static routes setup via rip44d or encap.txt or any
other way. Connected routes usually have a higher preference than
static routes.
Only if the routes have the same prefix-length. Otherwise longest
match wins is still the rule. So unless
you're using the new amprd, usage of netmask 255.0.0.0
might result in issues contacting non-local AMPR subnets.
How many non-local AMPR subnets do you know of that have a prefix
length of 8 or less? :) -----BEGIN PGP SIGNATURE-----
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4103
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4107
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3 comments
3 participants
participants (3)
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Antonio Querubin -
kb9mwr＠gmail.com -
Marc, LX1DUC