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Accounting of PPPoE using...

Accounting of PPPoE using IPv6 IA_NA+IA_PD

Created: Apr 29, 2020 14:28:24Latest reply: Apr 29, 2020 15:08:55 374 3 0 0 0
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Hello all,


I'm with a NE20 router (V800R011C10SPC100) to provide PPPoE access to subscribers using DHCPv6 IA_NA + IA_PD.

All things are working well, the CPEs are getting the WAN/LAN address.


But I have some doubts about the radius accounting of the DHCP IA_NA.


Our freeradius is prepared to receive accounting from WAN/LAN with the following attributes:

- WAN: Framed-IPv6-Prefix 

- LAN: Delegated-IPv6-Prefix


But using IA_NA we are receiving only HW-Framed-IPv6-Address (158) for the WAN side (the LAN PD site is ok).


If I switch to NDRA+IA_PD, then the Framed-IPv6-Prefix is received.


Question:

- Is it possible to NE send IA_NA address to radius accounting using attribute Framed-IPv6-Prefix instead of HW-Framed-IPv6-Address?



Best Regards,


Rafael


PPPoEDualStackIPv6accounting

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chenhui
Admin Created Apr 29, 2020 14:53:41

Hi,
From the documentation, the Framed-Ipv6-Prefix (97) carries the IPv6 prefix assigned to a user in NDRA mode. Currently, the attribute is valid only for ND users, and PPPv6 users whose addresses are allocated in stateless mode. While, HW-Framed-IPv6-Address (158) carries an address assigned by a DHCPv6 server using identity association for non-temporary addresses (IA_NA). According to this, I think it's not supported to do that.
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user_3445655
user_3445655 Created Apr 29, 2020 14:36:26

Is it possible to assign it manually?
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chenhui
chenhui Admin Created Apr 29, 2020 14:53:41

Hi,
From the documentation, the Framed-Ipv6-Prefix (97) carries the IPv6 prefix assigned to a user in NDRA mode. Currently, the attribute is valid only for ND users, and PPPv6 users whose addresses are allocated in stateless mode. While, HW-Framed-IPv6-Address (158) carries an address assigned by a DHCPv6 server using identity association for non-temporary addresses (IA_NA). According to this, I think it's not supported to do that.
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Unicef
Unicef MVE Created Apr 29, 2020 15:08:55

Procedure:
1. Configure a VT.
<HUAWEI> system-view
[~HUAWEI] interface virtual-template 5
[*HUAWEI-Virtual-Template5] ppp authentication-mode chap
[*HUAWEI-Virtual-Template5] quit
[*HUAWEI] commit
2. Configure AAA schemes.
# Configure an authentication scheme.

[~HUAWEI] aaa
[~HUAWEI-aaa] authentication-scheme auth5
[*HUAWEI-aaa-authen-auth5] authentication-mode radius
[*HUAWEI-aaa-authen-auth5] quit
[*HUAWEI] commit
# Configure an accounting scheme.

[~HUAWEI-aaa] accounting-scheme acct5
[*HUAWEI-aaa-accounting-acct5] accounting-mode radius
[*HUAWEI-aaa-accounting-acct5] quit
[*HUAWEI-aaa] quit
[*HUAWEI] commit
3. Configure a RADIUS server group.
[~HUAWEI] radius-server group rd5
[*HUAWEI-radius-rd5] radius-server authentication 3001:0410::1:1 1645
[*HUAWEI-radius-rd5] radius-server accounting 3001:0410::1:1 1646
[*HUAWEI-radius-rd5] radius-server type standard
[*HUAWEI-radius-rd5] radius-server shared-key-cipher hello
[*HUAWEI-radius-rd5] quit
[*HUAWEI] commit
4. Configure a local IPv6 prefix pool.
[~HUAWEI] ipv6 prefix pre1 local
[~HUAWEI-ipv6-prefix-pre1] prefix 2001:2421::/64
[~HUAWEI-ipv6-prefix-pre1] quit
[~HUAWEI] commit
5. Configure a user-side local IPv6 address pool.
[~HUAWEI] ipv6 pool pool1 bas local
[~HUAWEI-ipv6-pool-pool1] prefix pre1
[~HUAWEI-ipv6-pool-pool1] dns-server 3001:0410::1:2
[~HUAWEI-ipv6-pool-pool1] quit
[~HUAWEI] commit
6. Configure a domain named isp5.
[~HUAWEI] aaa
[~HUAWEI-aaa] domain isp5
[*HUAWEI-aaa-domain-isp5] authentication-scheme auth5
[*HUAWEI-aaa-domain-isp5] accounting-scheme acct5
[*HUAWEI-aaa-domain-isp5] radius-server group rd5
[*HUAWEI-aaa-domain-isp5] commit
[~HUAWEI-aaa-domain-isp5] ipv6-pool pool1
[*HUAWEI-aaa-domain-isp5] commit
[~HUAWEI-aaa-domain-isp5] quit
[~HUAWEI-aaa] quit
[~HUAWEI] commit
7. Configure interfaces.
# Bind the VT to GE 0/1/2.1.

[~HUAWEI] interface gigabitethernet 0/1/2.1
[*HUAWEI-GigabitEthernet0/1/2.1] pppoe-server bind virtual-template 5
[*HUAWEI] commit
8. Verify the configuration.
# Check information about the prefix pool named pre1. The command output shows that the prefix pool is a local prefix pool and the prefix address is 2010:2021::/64.
https://support.huawei.com/enterprise/en/doc/EDOC1100058395/73be6e9f/example-for-configuring-pppoe-access-for-ipv6-users
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