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Since installing the linux machine as the router, I have tried a setting the MTU and MRU to 1492 but this
You put them in the options?
Yes I did.
made no difference. Interestingly, after setting them, I STILL get the following errors in the syslog when connecting...
pppd: Couldn't increase MTU to 1500 pppd: Couldn't increase MRU to 1500
though checking using ifconfig, the MTU *is* set correctly on both eth1(dsl connex) and ppp0 so I dont think it is an MTU issue. I also tried reducing the MTU further (to 1300) but with no affect.
You do not have to set the mtu with ifonfig, go back to 1500.
I was only using ifconfig to confirm that the MTU had been changed. I was setting it in the options as you described below. It also behaves the same if you leave it at 1500.
You have to edit the ppoe-options-file (I now do not know how it is named) and teher have to be the lines
mtu=1492 mru=1492
Does it work after restart of ppoed?
I have those lines in my /etc/ppp/options (also tried it in options.eth1). Retarting the pppd is how I have been making the new settings active, but it still behaves the same. pppd uses the pppoe plugin using this line in the ppp options file... plugin /usr/lib/pppd/2.4.1/pppoe.so
Rene
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