Method of Procedure for HNB Gateway
Configuration on Redundant Serving
Nodes
First Published: December 19, 2014
This method of procedure (MOP) provides the HNBGW configuration on redundant Serving nodes on Cisco RMS.
The post install script mentioned in the Cisco RMS Install Guide “configure_hnbgw.sh” script configures the HNBGW
information only on the active Serving node. Therefore, to configure HNBGW on a redundant Serving node, follow the
procedures in this document.
Note: These procedures are only applicable to setups where HNBGW information is configured for the first time on the RMS
system and where HNBGW information is not present in the descriptor file during RMS deployment.
Adding HNBGW Information on the Redundant Serving Node
This procedure adds HNBGW information on the redundant Serving node at the PNR level.
1.
Log in to the primary Serving node using ssh as admin user.
Command
ssh <serving_node_pri_ip_addr>
<input admin_pwd>
2.
Switch to root user on primary Serving node.
Command
su
<input root_pwd>
3.
Log in to PNR command prompt.
Command
/rms/app/nwreg2/local/usrbin/nrcmd -N cnradmin -P <admin_pwd>
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Method of Procedure for HNB Gateway Configuration on Redundant Serving Nodes
Adding HNBGW Information on the Redundant Serving Node
4.
Set the current PNR Session Visibility to a value of 3
Command
nrcmd> set session visibility=3
5.
Synchronize the PNR configuration of the primary Serving node with the secondary Serving node present in Site 2
(Active-Active pair).
Command
nrcmd> failover-pair femto-dhcp-failover sync exact main-to-backup
Output
nrcmd> failover-pair femto-dhcp-failover sync exact main-to-backup
101 Ok, with warnings
((ClassName RemoteRequestStatus)(error 2147577914)(exception-list
[((ClassName ConsistencyDetail)(error-code 2147577914)(error-object
((ClassName DHCPTCPListener)(ObjectID OID-00:00:00:00:00:00:00:42)
(SequenceNo 30)(name femto-leasequery-listener)(address 0.0.0.0)(port 61610)))
(classid 1155)(error-attr-list [((ClassName AttrErrorDetail)(attr-id-list [03 ])
(error-code 2147577914)(error-string DHCPTCPListener 'femto-leasequery-listener'
address will be unset. The default value will apply.))]))]))
6. Log in to the redundant secondary Serving node using ssh as admin user.
Command
ssh <serving_node_sec_ip_addr>
<input admin_pwd>
7.
Switch to root user on redundant/secondary Serving node.
Command
su
<input root_pwd>
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Method of Procedure for HNB Gateway Configuration on Redundant Serving Nodes
Adding HNBGW and DHCP Information on the Redundant Serving Node
8.
Log in to the redundant/secondary PNR command prompt.
Command
/rms/app/nwreg2/local/usrbin/nrcmd -N cnradmin -P <admin_pwd>
9.
Set the current PNR Session Visibility to a value of 3.
nrcmd> set session visibility=3
10. Check the final scope configuration for the new HNBGW and confirm that all values are as per the required HNBGW to be
integrated.
Command
nrcmd> scope list
Note: Output of this command shows the scope created for the HNBGW and the DHCP information.
Adding HNBGW and DHCP Information on the Redundant Serving Node
This procedure adds HNBGW and DHCP information on the redundant Serving node at the PAR level.
1.
Log in to the redundant or secondary Serving node using ssh as admin user.
Command
ssh <serving_node_pri_ip_addr>
<input admin_pwd>
2.
Switch to root user on the redundant or secondary Serving node.
Command
su
<input root_pwd>
3.
Log in to PAR command prompt with the appropriate admin password.
Command
/rms/app/CSCOar/bin/aregcmd -N admin
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Method of Procedure for HNB Gateway Configuration on Redundant Serving Nodes
Adding HNBGW and DHCP Information on the Redundant Serving Node
4.
Navigate to the “clients” folder to view the available and configured HNBGW server configurations.
Command
cd /radius/clients/
5.
Add a new folder for the new HNBGW server. For example, ASR5K.
Command
Add ASR5K
6. Navigate to the newly created ASR5K folder.
Command
cd ASR5K
7. Set the protocol for the new ASR 5000 folder as “Radius”.
Command
set protocol radius
Output
--> set protocol radius
Set Protocol radius
8. Set the HNBGW IP address which maps to the required HNBGW IP address.
Command
--> set ipaddress <asr5k_hnbgw_ip_address>
Output
--> set ipaddress 10.5.4.202
Set IPAddress 10.5.4.202
9. Set the shared secret password for the PAR configuration (This is a customer specific property and can be
retrieved from the Descriptor File -> Radius Shared Secret).
Command
--> set sharedsecret <radius_shared_secret>
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Method of Procedure for HNB Gateway Configuration on Redundant Serving Nodes
Adding HNBGW and DHCP Information on the Redundant Serving Node
Output
--> set sharedsecret secret
Set SharedSecret <encrypted>
10. Return to one directory level to the list of available and configured ASR 5000 folders.
Command
cd..
11. Navigate to the new ASR5K2 folder and check the configurations and verify if they correspond to the new
ASR 5000 server configurations.
Command
cd ASR5K
Output
--> cd ASR5K
[ //localhost/Radius/Clients/ASR5K ]
Name = ASR5K
Description =
Protocol = radius
IPAddress = 10.5.4.202
SharedSecret = <encrypted>
Type = NAS
Vendor =
IncomingScript~ =
OutgoingScript~ =
EnableDynamicAuthorization = FALSE
NetMask =
EnableNotifications = FALSE
EnforceTrafficThrottling = TRUE
12. Save the PAR configuration for the new ASR 5000.
Command
save
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Method of Procedure for HNB Gateway Configuration on Redundant Serving Nodes
Establishing Communication with the HNBGW Server
Output
--> save
Validating //localhost...
Saving //localhost...
13. Reload the PAR to implement the new configurations.
Command
reload
Output
--> reload
Reloading Server 'Radius'...
Server 'Radius' is Running, its health is 10 out of 10
14. Exit from the PAR command prompt.
Command
exit
Output
--> exit
Establishing Communication with the HNBGW Server
1.
Add a route towards the DHCP on the secondary Serving node.
Command
route add -net $Dhcp_Pool_Network
2.
netmask $Dhcp_Pool_Subnet
gw
$Serving_Node_NB_Gateway
Make these routes permanent.
Command
cp
/etc/sysconfig/network-scripts/route-eth1
eth1.orig
/etc/sysconfig/network-scripts/route-
echo "$Dhcp_Pool_Network/$Dhcp_Pool_Subnet via $Serving_Node_NB_Gateway" >>
/etc/sysconfig/network-scripts/route-eth1
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Method of Procedure for HNB Gateway Configuration on Redundant Serving Nodes
Obtaining Documentation and Submitting a Service Request
3.
Add IP tables for the CNR DHCP.
Command
iptables -A INPUT -i eth0 -p udp -s $Asr5k_Dhcp_Address -d $Serving_Node_Eth0_Address --dport
61610 -m state --state NEW -j ACCEPT
4.
Add IP tables for the CAR radius.
Command
iptables -A INPUT -i eth0 -p udp -s $Asr5k_Radius_Address -d $Serving_Node_Eth0_Address -dport 1812 -m state --state NEW -j ACCEPT
iptables -A OUTPUT -p udp -s $Serving_Node_Eth0_Address -d $Asr5k_Radius_Address --sport 1812
-j ACCEPT
5.
Add IP tables for the femto-scope.
Command
iptables -A OUTPUT -p tcp -s $Serving_Node_Eth0_Address -d
$Dhcp_Pool_Network/$Dhcp_Pool_Subnet --dport 7547 -m state --state NEW -j ACCEPT
6.
Save IP table rules.
Command
Service iptables save
The above procedures complete the manual addition of the HNBGW server to the redundant Serving node.
Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, using the Cisco Bug Search Tool (BST), submitting a service request, and
gathering additional information, see What’s New in Cisco Product Documentation at:
http://www.cisco.com/c/en/us/td/docs/general/whatsnew/whatsnew.html.
Subscribe to What’s New in Cisco Product Documentation, which lists all new and revised Cisco technical
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Method of Procedure for HNB Gateway Configuration on Redundant Serving Nodes
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