From: stephen skinner (stephenski@gmail.com)
Date: Tue Aug 19 2008 - 05:39:48 ART
Q1 , unless otherwise instructed , I use EUI on Ethernet interface`s all of
the time , but not on Serial/Fr links
Usually the test labs IWEX/IPE/NMC instruct you what to do , its not a
requirement to have the EUI , you can make up your own :)
but then you would need to make sure your map statements reflect what you
have done
Q2 , IF you are going to have dynamic routing protocols running over the
link then ,
No you are going to need two maps , and I don't believe there is a way
around it.
Q3 that's a Hex number not Decimal ,
12 in Hex is 00010010
25 in hex is 00100101
HTH
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Nitro Drops
Sent: 19 August 2008 15:20
To: ccielab@groupstudy.com
Subject: IEWB - IPv6 Queries
Hi Folks,
Need some kind advices from network experts, have tried the IE forum, but no
replies.
Q1. Task 6.1 : IPv6 "eui-64"
When configuring IPv6 addresses on the interfaces, when do i need to include
IPv6 host address "eui-64"?
2001:192:10:X::/64 eui-64
In R1, "eui-64" is used on the F0/0 interface. But not on R2's F0/0
and R5's E0/1. Is "eui-64" needed only when I need to carry out a
static frame-relay map statement?
Q2. Task 6.2 : Frame-Relay map statement on R2
Instead of using 2 x Frame-Relay map statements, one for the IPv6
/64 Network and one for the Link Local /64Host, can i just use 1 x
Frame-Relay map statement for an /128 IPv6 Network + Host
instead
frame-relay map ipv6 FE80::204:27FF:FEB5:2F60 201
frame-relay map ipv6 2001:141:1:12::1 201 broadcast
into
frame-relay map ipv6 2001:141:1:12:204:27FF:FEB5:2F60 201 broadcast
Q3. Task 6.3 : Summarize IPv6 address
Is the summarized mask supposed to be /59 instead of /58?
2 characters = 1 byte = 8 bits
2001:141:1:12 = 2001 (16bits) : 0141 (16bits) : 0001 (16bits) : 0012
(00000000 0000 1100)
2001:141:1:25 = 2001 (16bits) : 0141 (16bits) : 0001 (16bits) : 0025
(00000000 0001 1001)
Summarised Masks = 16 + 16 + 16 + 11 = 59 bits? (From Left to Right)
Thanks for any kind replies.
Much appreciated.
Cheers
Nit
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