[OpenAFS] Why is speed of AFS loopback adapter set to 10 Mb,
even if physical interface is Gb capable?
Mon, 26 Apr 2010 11:32:43 +0200 (CEST)
> Ok, but jumbo grams are an IPv6 only feature, right?
No. Unfortunately the name is quite overloaded. So I'd rather say "IP
packets sent on a network with an MTU > 1500". But that is rather
long. Normally people talk only about ethernet. Other technologies
have different default MTU sizes, for example FDDI had 4k. In addition
to that, some rx implementation have the habit to send rx packets in
IP packets that span multiples (typically 4) times the MTU size. These
packets are then fragmented and reassembled by the IP stack. I doubt
that that is a good choice today.
# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:1E:C9:B4:02:B3
inet addr:18.104.22.168 Bcast:22.214.171.124 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
ib0 Link encap:InfiniBand HWaddr 80:00:00:48:FE:80:00:00:00:00:00:00:00:00:00:00:00:00:00:00
UP BROADCAST RUNNING MULTICAST MTU:65520 Metric:1