From: Scott Vermillion (scott_ccie_list@it-ag.com)
Date: Sat Dec 29 2007 - 15:32:11 ART
Hey wim,
This doesn't answer your question (I think Joseph likely already did), but
just FYI you are not limited to PPP for v4 /31s. Although IOS kicks out
warnings, you can even use them on Ethernet, which I sometimes do in
production networks.
Cheers,
Scott
Rack1R1(config-if)#ip add 10.1.1.1 255.255.255.254
% Warning: use /31 mask on non point-to-point interface cautiously
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
wim.depauw@getronics.com
Sent: Saturday, December 29, 2007 6:09 AM
To: ccielab@groupstudy.com
Subject: Internetwork expert lab 13 task 5.1 IPv6
Hi,
In task 5.1 they ask to configure IPv6 between R3 and R2 , this network
should have a subnet mask off /127 . I configured this but I can't ping the
other side which seems logical as an subnet mask off /127 is equal to /31 in
IPv4.
I configured it with a /126 and then it works fine .
In IPv4 you have the possibility to use a /31 mask in PPP , does this
function also exist in IPv6 ? I can't find any info about it ....
thx
wim
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