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FAQ the Disabling command of Nas-port-id fails when using the COA function

Publication Date:  2014-11-07 Views:  93 Downloads:  0
Issue Description

Q: With COA policy on ME60, it doesn't take effect when configure the Device to disable the receiving of NAS-Port-Id(87).


Types of equipment: ME60
Equipment version: V600R002/V600R005

Handling Process

A:
The C0A does not support NAS-Port-Id (87) attribute, so in RADIUS server group configuration mode disable the receiving of this attribute:

Radius-server group coa
Radius-server authentication 194.170.156.21 1912 weight 0
Radius-server authentication 194.170.156.15 1812 weight 0
Radius-server authentication 194.170.156.16 1812 weight 0
Radius-server accounting 194.170.156.21 1913 weight 0
Radius-server shared-key aaa
Radius-attribute disable NAS-Port-Id receive ---Disable the 87 attribute

Radius-server authorization 194.170.156.15 shared-key aaa server-group coa

Debug information for user online:

Feb 21 2013 14:24: 28.960.2 ME60-2-RIGHT RDS/7/DEBUG:
Radius Received a Packet
Server Template:2
Server IP:194.170.156.15
Vpn-Instance:-
ServerPort:1812
NAS Port:3799
Protocol:Standard
Code:coa request
Len:157
Id:62
[User-Name(1)][20][user61@etisalat.ae ]
[NAS-Port-Id(87)][36][slot=3;subslot=0;port=23;vlanid=0;]
[NAS-Identifier(32)][14][ME60-2-RIGHT]
[Proxy-State(33)][18][4e78436c69656e74000000000000003e]
[NAS-IP-Address(4)][6][194.170.156.11]
[NAS-Port(5)][6][50425856]
[Framed-IP-Address(8)][6][194.170.156.142]
[HW-QOS-Profile-Name(Huawei-31)][15][2m-down-2m-up]
[Acct-Session-Id(44)][10][14000196]

Feb 21 2013 14:24:28.960.3 ME60-2-RIGHT RDS/7/DEBUG:
[RDS(Err):] coa request attribute unknown,send nak packet -- the Attribute does not take effect
Feb 21 2013 14:24:28.960.4 ME60-2-RIGHTRDS/7/DEBUG:
Radius Sent a Packet
Server IP:194.170.156.15
Protocol:Standard
Code:coa nak
Len:142
Id:62
[User-Name(1)][20][user61@etisalat.ae]
[NAS-Port-Id(87)][36][slot=3;subslot=0;port=23;vlanid = 0;]
[NAS-Identifier(32)][14][ME60-2-RIGHT]
[Proxy-State(33)][18][4e78436c69656e74000000000000003e]
[NAS-IP-Address(4)][6][194.170.156.11]
[NAS-Port(5)][6][50425856]
[Framed-IP-Address(8)][6][194.170.156.142]
[Acct-Session-Id(44)][10][14000196]
[Error-Cause(101)][6][401]

It is confirmed that the command can take effect only when configured together with another translation command.

radius-server attribute translate

 

After configuring this command, the User COA download successfully,the issue is solved.

Root Cause

N/A

Solution
N/A
Suggestions

The attributes translation command is necessary when configuring the Disable function of the COA Attributes.

END