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How do I setup the Primary interface (in a redundant interface group) in NSRP active/active full-mesh mode

  [KB5779] Show Article Properties


Summary:
How do I setup the Primary interface (in a redundant interface group) in NSRP active/active full-mesh mode
Symptoms:
NetScreen-500 ScreenOS 4.0.0r2 NSRP Active/Active full-mesh mode Redundant1 interface and Redundant2 interface are defined Can't setup the Primary interface in NSRP active/active full-mesh mode If the ethernet1/1(current active Primary interface) becomes disconnected, then ethernet1/2 will port failover and will be active primary interface.  After that the ethenret1/1 become reconnected, the active primary interface will not be changed to ethernet1/1 without the configured primary interface for ethernet1/1.
Solution:

If interface ethernet1/1 and ethernet1/2 are member of redundant1 interface, and want to setup ethenet1/1 as the primary interface, use the "set interface redundant1 phy primary ethernet1/1" command on the CLI.

Example:

Step1) To verify the current primary interface of redundant1 interface, use "get interface redunant1" command

c1:ns500(1)(M)-> get interface redundant1
Interface redundant1:
number 21, if_info 172032, if_index 0, mode route
link active, phy-link up/full-duplex
Redundant port has 2 members: ethernet1/1; ethernet1/2;
Active primary interface: ethernet1/2 <-- There was no configured primary interface
VSIs on this interface: redundant1; redundant1:1;
vsys Root, zone Untrust, vr trust-vr
*ip 10.1.1.1/24? mac 0010.dbff.2150
*manage ip 10.1.1.1, mac 0010.db0c.1a5a
ping disabled, telnet disabled, SCS disabled, SNMP disabled
web disabled, ident-reset disabled, SSL disabled
webauth disabled, webauth-ip 0.0.0.0
OSPF disabled BGP disabled
DHCP-Relay disabled
bandwidth: physical 100000kbps, configured 0kbps, current 0kbps
total configured gbw 0kbps, total allocated gbw 0kbps

Step2) To change the primary interface, use "set interface redundant1 phy primary" command

c1:ns500(1)(M)-> set interface redundant1 phy primary ethernet1/1
redundant1 interface change state to Up

(Note: In ScreenOS 4.0.3r1, the syntax has changed.  Use set interface redundant1 primary)

c1:ns500(1)(M)-> get interface redundant1
Interface redundant1:
number 21, if_info 172032, if_index 0, mode route
link active, phy-link up/full-duplex
Redundant port has 2 members: ethernet1/1; ethernet1/2;
Active primary interface: ethernet1/1
Configured primary interface: ethernet1/1

VSIs on this interface: redundant1; redundant1:1;
vsys Root, zone Untrust, vr trust-vr
*ip 10.1.1.1/24? mac 0010.dbff.2150
*manage ip 10.1.1.1, mac 0010.db0c.1a5a
ping disabled, telnet disabled, SCS disabled, SNMP disabled
web disabled, ident-reset disabled, SSL disabled
webauth disabled, webauth-ip 0.0.0.0
OSPF disabled BGP disabled
DHCP-Relay disabled
bandwidth: physical 100000kbps, configured 0kbps, current 0kbps
total configured gbw 0kbps, total allocated gbw 0kbps


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