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424 | Interfaces
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Important Things to Remember — virtual-ip
• virtual-ip is a CONFIGURATION mode command. You may enter an IPv4 or IPv6 address.
• When applied, the management port on the primary RPM assumes the virtual IP address. Entering the
show interfaces and show ip interface brief commands on the primary RPM management interface will
display both the virtual IP address and the actual IP address configured on the interface (see
Displaying Information on a Management Interface on page 425).
• A duplicate IP address message is printed for management port’s virtual IP address on an RPM
failover. This is a harmless error that is generated due to a brief transitory moment during failover
when both RPMs’ management ports own the virtual IP address, but have different MAC addresses.
• The primary management interface will use only the virtual IP address if it is configured. The system
can not be accessed through the native IP address of the primary RPM’s management interface.
• Once the virtual IP address is removed, the system is accessible through the native IP address of the
primary RPM’s management interface.
• Primary and secondary management interface IP and virtual IP must be in the same subnet.
Configure Management Interfaces on the S-Series
The user can manage the S-Series from any port. Configure an IP address for the port using the ip address
command, and enable it using the command
no shutdown. The user may use the command description
from INTERFACE mode to note that the interface is the management interface. There is no separate
management routing table, so the user must configure all routes in the IP routing table (the
ip route
command).
As shown in Figure 20-8, from EXEC Privilege mode, display the configuration for a given port by
entering the command
show interface, and the routing table with the show ip route command.
Figure 20-8. Viewing Management Routes on the S-Series
FTOS#show int gig 0/48
GigabitEthernet 0/48 is up, line protocol is up
Description: This is the Managment Interface
Hardware is Force10Eth, address is 00:01:e8:cc:cc:ce
Current address is 00:01:e8:cc:cc:ce
Pluggable media not present
Interface index is 46449666
Internet address is 10.11.131.240/23
[output omitted]
FTOS#show ip route
Codes: C - connected, S - static, R - RIP,
B - BGP, IN - internal BGP, EX - external BGP,LO - Locally Originated,
O - OSPF, IA - OSPF inter area, N1 - OSPF NSSA external type 1,
N2 - OSPF NSSA external type 2, E1 - OSPF external type 1,
E2 - OSPF external type 2, i - IS-IS, L1 - IS-IS level-1,
L2 - IS-IS level-2, IA - IS-IS inter area, * - candidate default,
> - non-active route, + - summary route
Gateway of last resort is 10.11.131.254 to network 0.0.0.0
Destination Gateway Dist/Metric Last Change
----------- ------- ----------- -----------
*S 0.0.0.0/0 via 10.11.131.254, Gi 0/48 1/0 1d2h
C 10.11.130.0/23 Direct, Gi 0/48 0/0 1d2h