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Router - Cisco IPv6 IOS Versions: Difference between revisions

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== Known working versions of IOS ==
== Known working versions of IOS ==


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|PPPoA
|PPPoA
|[[User:Nhumfrey|Nhumfrey]]
|[[User:Nhumfrey|Nhumfrey]]
|✓ Working
|✓ Working
|-
|-
|887
|887
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|PPPoA
|PPPoA
|[[User:Nhumfrey|Nhumfrey]]
|[[User:Nhumfrey|Nhumfrey]]
|✗ IPV6CP being rejected
|✗ IPV6CP being rejected
|-
|-
|887
|887
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|PPPoA
|PPPoA
|[[User:Nhumfrey|Nhumfrey]]
|[[User:Nhumfrey|Nhumfrey]]
|✓ Working
|✓ Working
|-
|-

|1841
|12.4
|[https://gist.github.com/NetworksAreMadeOfString/11381597 c1841-advipservicesk9-mz.124-9.T5.bin]
|PPPoE
|[[User:NetworkString|NetworkString]]
|✓ Working ''(Using the additional config noted [http://wiki.aa.org.uk/Router_-_Cisco_IPv6_Native_Config#Enable_IPv6_to_work_on_your_WAN_side here])''
|-

|1841
|15.1
|c1841-adventerprisek9-mz.151-4.M9.bin
|PPPoE
|[[User:Cmat100|Cmat100]]
|✓ Working ''(Using the additional config noted [http://wiki.aa.org.uk/Router_-_Cisco_IPv6_Native_Config#Enable_IPv6_to_work_on_your_WAN_side here])''
|}
|}

Also, a customer has reported in July 2013:

✗ Not working:
Firmware Source File Name (version)
VDSL embedded VDSL_LINUX_DEV_AOE_IOS_MERGE (1)
Modem FW Version: 100819_1343-4.02L.03.A2pv6C032.d23b
Modem PHY Version: A2pv6C032.d23b

✓ Working:
Firmware Source File Name (version)
VDSL default flash:vdsl.bin (10)
Modem FW Version: 120910_1737-4.02L.03.A2pv6C035l.d23j
Modem PHY Version: A2pv6C035l.d23j

== Routing IPv6 over PPP ==

If you are having trouble trying to get IPv6 to route over PPP, it might be because the version of IOS you are using doesn't support it.

This can be confirmed by turning on debugging of PPP negotiation:

debug ppp negotiation

If when the connection is being established, you see this:

Vi2 IPV6CP: I CONFREQ [UNKNOWN] id 0 len 14
Vi2 IPV6CP: (0x010A020397FFFE168000)
Vi2 LCP: O PROTREJ [Open] id 4 len 20 protocol IPV6CP (0x01000010010A020397FFFE168000)
Vi2 PPP: Outbound ipv6 packet dropped, NCP not negotiated
Vi2 PPP: Outbound ipv6 packet dropped, NCP not negotiated

Then you will need to change to a version of IOS with the "advanced IP services" feature set.
It looks like the basic IOS feature set does not support [https://tools.ietf.org/html/rfc2472 IPV6CP].



== TCP window scaling Bug ==
== TCP window scaling Bug ==
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[[Category:IPv6]] [[Category:Cisco]] [[Category:Router]] [[Category:ADSL]]
[[Category:3rd Party Routers|Cisco]] [[Category:IPv6]]
Retrieved from "http://support.aa.net.uk/Router_-_Cisco_IPv6_IOS_Versions"