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624 PowerConnect B-Series FCX Configuration Guide
53-1002266-01
Adding a static ARP entry
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or
Syntax: [no] ip route <dest-ip-addr>/<mask-bits> <next-hop-ip-addr> [<metric>] [tag <num>]
The <dest-ip-addr> is the route destination. The <dest-mask> is the network mask for the route
destination IP address. Alternatively, you can specify the network mask information by entering a
forward slash followed by the number of bits in the network mask. For example, you can enter
192.0.0.0 255.255.255.0 as 192.0.0.0/.24. To configure a default route, enter 0.0.0.0 for
<dest-ip-addr> and 0.0.0.0 for <dest-mask> (or 0 for the <mask-bits> if you specify the address in
CIDR format). Specify the IP address of the default gateway using the <next-hop-ip-addr>
parameter.
The <next-hop-ip-addr> is the IP address of the next-hop router (gateway) for the route.
The <metric> parameter specifies the cost of the route and can be a number from 1 – 16. The
default is 1. The metric is used by RIP. If you do not enable RIP, the metric is not used.
The tag <num> parameter specifies the tag value of the route. Possible values: 0 - 4294967295.
Default: 0.
NOTE
You cannot specify null0 or another interface as the next hop in the base Layer 3 image.
Adding a static ARP entry
Static entries are useful in cases where you want to pre-configure an entry for a device that is not
connected to the Dell PowerConnect device, or you want to prevent a particular entry from aging
out. The software removes a dynamic entry from the ARP cache if the ARP aging interval expires
before the entry is refreshed. Static entries do not age out, regardless of whether the Dell
PowerConnect device receives an ARP request from the device that has the entry address. The
software places a static ARP entry into the ARP cache as soon as you create the entry.
To add a static ARP entry, enter a command such as the following at the global CONFIG level of the
CLI.
PowerConnect(config)#arp 1 209.157.22.3 aaaa.bbbb.cccc ethernet 3
This command adds a static ARP entry that maps IP address 209.157.22.3 to MAC address
aaaa.bbbb.cccc. The entry is for a MAC address connected to PowerConnect port 3.
Syntax: y[no] arp <num> <ip-addr> <mac-addr> ethernet <port>
The <num> parameter specifies the entry number. You can specify a number from 1 up to the
maximum number of static entries allowed on the device. You can allocate more memory to
increase this amount. To do so, enter the system-max ip-static-arp <num> command at the global
CONFIG level of the CLI.
The <ip-addr> command specifies the IP address of the device that has the MAC address of the
entry.
The <mac-addr> parameter specifies the MAC address of the entry.
The ethernet <port> command specifies the port number attached to the device that has the MAC
address of the entry. Specify the <port> variable in the following formats:
• PowerConnect B-Series FCX stackable switches – <stack-unit/slotnum/portnum>
The clear arp command clears learned ARP entries but does not remove any static ARP entries.