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log

@shawcable.net

what do these mean?

my internet kept dcing and i was looking at the log on my modem/router and was just wondering what these all meant?

»i.imgur.com/SSOdyLL.jpg

»i.imgur.com/ioip9HP.jpg

what is a lan-side udp flood and syn flood?



jtl999
CEO of Actiontec Dev Team

join:2012-11-24
In the GVRD
kudos:4

What router?


shawuser

join:2010-10-15
Vancouver, BC
reply to log

Why so many fragmented packets? Are you running jumbo frames on your switches that perhaps your router cannot support?



whatsit

@shawcable.net
reply to jtl999

its a modem/router hybrid... cisco DPC3825


stolen

join:2004-04-12
Calgary, AB
kudos:2
reply to log

Ensure you have "Block IP Flood Detection" turned off on the DPC3825. It causes stability issues on the DPC:
»BB100/Cisco DPC3825 SPI Firewall



whatsit

@shawcable.net

i have

Block fragmented IP packets

and

ip flood detection

so which one of those would it be


stolen

join:2004-04-12
Calgary, AB
kudos:2

I'd uncheck both of those.
IP Flood detection needs to be off for sure though.



whatsit

@shawcable.net

thanks a lot for the help was happening last night then i saw your post so i unchecked them and it instantly starting working again