Difference between revisions of "Neighbor Discovery Cisco IOS"
From Teknologisk videncenter
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| Line 19: | Line 19: | ||
<notice>...Output omitted...</notice> | <notice>...Output omitted...</notice> | ||
</source> | </source> | ||
| + | =Adding a static Neighbor entry= | ||
| + | Some IPv6 traffic generators don't respond to ND - Neighbor Discovery. | ||
| + | <source lang=cli> | ||
| + | R3(config)#<input>ipv6 neighbor 2001:16D8:DD85:140::77 fastethernet0/1 0010.dead.beef</input> | ||
| + | R3(config>#<input><CTRL-Z></input> | ||
| + | R3#<input>show ipv6 neighbors fastEthernet 0/1</input> | ||
| + | IPv6 Address Age Link-layer Addr State Interface | ||
| + | 2001:16D8:DD85:140::77 - 0010.dead.beef REACH Fa0/1 | ||
| + | </input> | ||
| + | |||
{{Source cli}} | {{Source cli}} | ||
[[Category:IPv6]] | [[Category:IPv6]] | ||
Revision as of 14:45, 1 June 2011
Neighbor dicovery. Mapping between IPv6 address and Link-layer Address. (MAC-address). Notice in the ouput below REACH means that the Node can be reached. STALE means the Node have not been reached the last 30 minuttes.
Campus1#<input>show ipv6 neighbors</input>
IPv6 Address Age Link-layer Addr State Interface
FE80::216:76FF:FE9F:FEF6 3 0016.769f.fef6 <notice>REACH</notice> Vl139
FE80::8555:196A:5ACC:1976 4 0026.c7d3.5140 <notice>STALE</notice> Vl139
FE80::7AD6:F0FF:FE03:39A2 5 78d6.f003.39a2 STALE Vl139
FE80::128C:CFFF:FE96:F76F 4 108c.cf96.f76f STALE Vl1
2001:16D8:DD85:139:9DAC:27C8:B159:1755 5 0024.d717.2b40 STALE Vl139
2001:16D8:DD85:139:20C:29FF:FE36:45B1 4 000c.2936.45b1 STALE Vl139
FE80::385E:C561:FCF9:7D57 3 0050.568b.0004 STALE Vl139
FE80::6D18:8558:E775:3AA3 0 b870.f473.0d6d REACH Vl139
FE80::20C:29FF:FEBC:D8D7 3 000c.29bc.d8d7 STALE Vl139
2001:16D8:DD85:139:B575:391E:D0EB:65F9 3 0050.568b.0008 STALE Vl139
FE80::14D0:4280:97DA:1817 5 0024.2bce.819a STALE Vl139
FE80::E570:A9A7:9163:7829 0 1c4b.d676.6dc1 REACH Vl139
FE80::7DF9:81D5:2C78:70F3 3 000c.2940.d4de STALE Vl139
2001:16D8:DD85:139:754F:E641:1227:9D65 5 6c62.6d28.3cd2 STALE Vl139
<notice>...Output omitted...</notice>Adding a static Neighbor entry
Some IPv6 traffic generators don't respond to ND - Neighbor Discovery. <source lang=cli> R3(config)#<input>ipv6 neighbor 2001:16D8:DD85:140::77 fastethernet0/1 0010.dead.beef</input> R3(config>#<input><CTRL-Z></input> R3#<input>show ipv6 neighbors fastEthernet 0/1</input> IPv6 Address Age Link-layer Addr State Interface 2001:16D8:DD85:140::77 - 0010.dead.beef REACH Fa0/1 </input>