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Displaying arp entries – Brocade FastIron Ethernet Switch Layer 3 Routing Configuration Guide User Manual

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ICMP redirect: enabled

proxy-arp: disabled

ip arp-age: 10 minutes

No Helper Addresses are configured.

No inbound ip access-list is set

No outgoing ip access-list is set

Displaying ARP entries

You can display the ARP cache and the static ARP table. The ARP cache contains entries for devices
attached to the Layer 3 switch. The static ARP table contains the user-configured ARP entries. An
entry in the static ARP table enters the ARP cache when the entry interface comes up.

The tables require separate display commands.

Displaying the ARP cache

To display the contents of the ARP cache, enter the following command at any CLI level.

Brocade# show arp

Total number of ARP entries: 70

Entries in default routing instance:

No. IP Address MAC Address Type Age Port Status

1 10.63.61.2 000c.000c.000c Dynamic 0 1/1/16-1/1/17 Valid

2 10.63.53.2 000c.000c.000c Dynamic 0 1/1/16-1/1/17 Valid

3 10.63.45.2 000c.000c.000c Dynamic 0 1/1/16-1/1/17 Valid

4 10.63.37.2 000c.000c.000c Dynamic 0 1/1/16-1/1/17 Valid

5 10.63.29.2 000c.000c.000c Dynamic 0 1/1/16-1/1/17 Valid

6 10.63.21.2 000c.000c.000c Dynamic 0 1/1/16-1/1/17 Valid

7 10.63.13.2 000c.000c.000c Dynamic 0 1/1/16-1/1/17 Valid

8 10.63.0.1 000c.000c.000c Dynamic 0 1/1/16-1/1/17 Valid

9 10.63.5.2 000c.000c.000c Dynamic 0 1/1/16-1/1/17 Valid

10 10.63.62.2 000c.000c.000c Dynamic 0 1/1/16-1/1/17 Valid

11 10.63.54.2 000c.000c.000c Dynamic 0 1/1/16-1/1/17 Valid

--More--

To display the contents of the ARP cache when a VRF is configured, enter the following command at
any CLI level.

Brocade# show arp vrf one

Total number of ARP entries: 1

Entries in VRF one:

No. IP Address MAC Address Type Age Port Status

1 10.65.0.2 000c.000c.000c Dynamic 1 1/1/16-1/1/17 Valid

Syntax: show arp [ ethernet [ slotnum/]portnum | mac-address xxxx.xxxx.xxxx [mask ] | ip-addr [ip-
mask
| vrf vrf-name ] [num]

The slotnum parameter is required on chassis devices.

The portnum parameter lets you restrict the display to entries for a specific port.

The mac-addressxxxx.xxxx.xxxx parameter lets you restrict the display to entries for a specific MAC
address.

The mask parameter lets you specify a mask for the mac-addressxxxx.xxxx.xxxx parameter, to
display entries for multiple MAC addresses. Specify the MAC address mask as "f"s and "0"s, where
"f"s are significant bits.

The ip-addr and ip-mask parameters let you restrict the display to entries for a specific IP address and
network mask. Specify the IP address masks in standard decimal mask format (for example,
255.255.0.0).

Displaying ARP entries

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FastIron Ethernet Switch Layer 3 Routing Configuration Guide

53-1003087-04