[tech] DHCP Issues Fixed

John Hodge tpg at ucc.asn.au
Sun Dec 9 19:59:02 WST 2012


Hey all,

The DHCP issues that have been plauging the UCC network have now been 
fixed. The problem was bitumen was treating all network ports as possible 
links to other switches and attemting a STP handshake on them and hence 
wouldn't pass traffic for a good 30s or so. This meant that when a link 
came back up (either by a reboot or the cable being dislodged) no traffic 
would flow, and hence the DHCP requests weren't seen by murasoi.

Portfast has now been enabled by default on all non-trunk ports, save for 
a few that had issues with it (heathred being one, which is why it went 
down earlier this evening)

tl;dr - Network works again, netboot and wireless should just connect 
quite nicely (and now works better than Unifi again)

John Hodge [TPG]
UCC President 2012


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