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02-16-2014 10:15 PM
02-16-2014 10:15 PM
How to map leased DHCP6-PD to the routingtable?
When the builtin dhcp-server in a HP A5820 lease a prefix delegation to a client it doesnt seem to update any routingtable or such in order to point out this prefix with a correct nexthop.
This way even if the client gets assigned a DHCP6-PD this range wont find its way to this particular client.
Am I missing something here or for that matter - how does other vendors do this?
This is the current setup (example):
ipv6 dhcp server enable
ipv6 dhcp prefix-pool 1 prefix 2001:db8:1234:0100::/56 assign-len 56
#
ipv6 dhcp pool 1
prefix-pool 1 preferred-lifetime 3600 valid-lifetime 86400
dns-server 2001:4860:4860::8888
dns-server 2001:4860:4860::8844
#
interface Vlan-interface101
ipv6 nd ra prefix 2001:db8:1234:f101::/64 86400 3600
undo ipv6 nd ra halt
ipv6 nd autoconfig other-flag
ipv6 address 2001:db8:1234:f101::1/64
ipv6 address fe80::f101:1 link-local
ipv6 dhcp server apply pool 1 preference 255 rapid-commit
#
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02-18-2014 01:50 PM
02-18-2014 01:50 PM
Re: How to map leased DHCP6-PD to the routingtable?
Looks like there is a bug in HP A5820 (or any Comwarev5 based equipment for that matter) in this subject.
This is how a Cisco device handles this:
http://www.cisco.com/c/en/us/products/collateral/ios-nx-os-software/enterprise-ipv6-solution/whitepaper_c11-689821.html
"
DHCPv6-PD Router: Installation of the route towards the CPE for the delegated prefix
Jan 28 02:18:55.620: IPv6RT0: static, Add 2001:DB8:1::/48 to table
Jan 28 02:18:55.620: IPv6RT0: static, Adding next-hop FE80::21A:2FFF:FE87:5602 over FastEthernet6/0 for 2001:DB8:1::/48, [1/0]
Jan 28 02:18:55.620: IPv6RT0: Event: 2001:DB8:1::/48, Add, owner static, previous None
! Note: If the Service Provider edge router made the binding between the CPE and its delegated prefix it will install automatically a static route for this delegated prefix into the routing table. The next-hop addresses used will be Link-Local.
"
I have filed a bug report towards HP about this, so lets keeps our fingers crossed that they will fix it...