[K12OSN] OT: Connecting Firewall to DSL/PPPoE device via VLAN
HBurroughs at HHPREP.ORG
Mon Jul 30 16:22:05 UTC 2007
I've got a new G.SHDSL connection. I let them install it at the
demarcation point for the phones and then connected it via VLAN across
my network to my firewall. I've got a few "issues" that seem to be
happening... it seems to be a MTU issue. I've currently got 1500 MTU on
the ethernet (eth1) on the firewall that is used to connect via PPPoE.
The ppp0 connection (does not have a set default MTU via ADSL client
config in Webmin). If I put a 1492 MTU limit on the ppp0 connection, it
can't authenticate. Any suggestions? I can't download ISO images from
K12LTSP, some users's can't log into hotmail... and pings of higher data
values (ping -s 1472 www.dslreports.com <http://www.dslreports.com/> )
actually get lost.
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