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» Routing and Switching Internetworking Experts   » Other NLI Products   » CCIE R&S Technology Workbook   » Chapter 11 - Sect 6.3

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Author Topic: Chapter 11 - Sect 6.3
qstyk
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posted April 12, 2011 07:41 AM      Profile for qstyk     Send New Private Message      Edit/Delete Post
Per the lab, I have set up R1-R2-R3-R4, where R1-R2 is IPv6, R2-R3 is IPv4, and R3-R4 is IPv6. I'm using fa0/1 instead of the frame interfaces, though. Everything else is the same.

When attempting to ping 2002:18EA:1703:: or 2002:18EA:1703::1 with the following config:

(R2) ================

interface Tunnel0
ipv6 address 2002:18EA:1702::1/128
tunnel source FastEthernet0/1
tunnel mode ipv6ip 6to4

ipv6 route ::/0 Tunnel0

(R3) ================

interface Tunnel0
ipv6 address 2002:18EA:1703::1/128
tunnel source FastEthernet0/1
tunnel mode ipv6ip 6to4

ipv6 route ::/0 Tunnel0

I perform a "ping 2002:18EA:1703::1 repeat 1" on R1 and the resultant output from a "debug ip packet" on R3 shows:

IP: tableid=0, s=24.234.23.2 (FastEthernet0/1), d=24.234.23.3 (FastEthernet0/1), routed via RIB
IP: s=24.234.23.2 (FastEthernet0/1), d=24.234.23.3 (FastEthernet0/1), len 120, rcvd 3
IP: tableid=0, s=24.234.23.3 (local), d=24.234.23.3 (FastEthernet0/1), routed via RIB
IP: s=24.234.23.3 (local), d=24.234.23.3 (FastEthernet0/1), len 120, sending
IP: tableid=0, s=24.234.23.3 (FastEthernet0/1), d=24.234.23.3 (FastEthernet0/1), routed via RIB
IP: s=24.234.23.3 (FastEthernet0/1), d=24.234.23.3 (FastEthernet0/1), len 120, rcvd 3

Why does it decide to translate the source to .3 or in some cases, 0.1.0.1?

Posts: 11 | From: USA | Registered: Feb 2011  |  IP: Logged


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