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Displaying the forwarding cache – Brocade TurboIron 24X Series Configuration Guide User Manual

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Brocade TurboIron 24X Series Configuration Guide

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Displaying IP configuration information and statistics

Displaying the forwarding cache

To display the IP forwarding cache, enter the following command at any CLI level.

Syntax: show ip cache [] | []

The parameter displays the cache entry for the specified IP address.

The parameter displays the cache beginning with the row following the number you enter.
For example, to begin displaying the cache at row 10, enter the following command.

show ip cache 9
The show ip cache command displays the following information.

TABLE 79

CLI display of IP forwarding cache – Layer 3 Switch

This field...

Displays...

IP Address

The IP address of the destination.

Next Hop

The IP address of the next-hop router to the destination. This field contains either an IP address
or the value DIRECT. DIRECT means the destination is either directly attached or the destination
is an address on this device. For example, the next hop for loopback addresses and broadcast
addresses is shown as DIRECT.

MAC

The MAC address of the destination.
NOTE: If the entry is type U (indicating that the destination is this device), the address consists of

zeroes.

Type

The type of host entry, which can be one or more of the following:

D – Dynamic

P – Permanent

F – Forward

U – Us

C – Complex Filter

W – Wait ARP

I – ICMP Deny

K – Drop

R – Fragment

S – Snap Encap

Port

The port through which this device reaches the destination. For destinations that are located on
this device, the port number is shown as “n/a”.

VLAN

Indicates the VLANs the listed port is in.

Pri

The QoS priority of the port or VLAN.

TurboIron#show ip cache

Total number of cache entries: 3

D:Dynamic P:Permanent F:Forward U:Us C:Complex Filter

W:Wait ARP I:ICMP Deny K:Drop R:Fragment S:Snap Encap

IP Address Next Hop MAC Type Port Vlan Pri

1 192.168.1.11 DIRECT 0000.0000.0000 PU n/a 0

2 192.168.1.255 DIRECT 0000.0000.0000 PU n/a 0

3 255.255.255.255 DIRECT 0000.0000.0000 PU n/a 0