Chelsio Communications Chelsio T5 Guia do Utilizador descarregar pdf (Página 195)

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Chapter XIII. Bypass Driver

Chelsio T5/T4 Unified Wire For Linux Page 195

redirect ethX

delete

table

table id

Delete the table

index

rule index

Delete a rule from a table.

redirect ethX

purge

table

table id

Remove all rules from the specified

table

redirect ethX

move

table

table id

Check that the new rule id is valid and

move the source rule to new id if it

doesn’t contain any existing rule

old_id

Existing rule index.

new_id

New rule index.

redirect ethX

count

table

table id

Display a count of the number of

packets and bytes has matched a rule.

index

rule index

redirect ethX

create_table

table

table id

Create a new table that is used to hold

a set of rules.

redirect ethX

activate_table

table

table id

Activate a table so that all the rules in

it will be active.

redirect ethx

deactivate_table

table

table id

Deactivate a table and its associated

rules.

redirect ethX

delete_table

table

table id

Delete a table and the rules in it.

redirect ethX

dump

dump all tables and rules as

commands

* The matching algorithm for srcportmask and dstportmask is

(Ingress_Packet-Field & Filter-Mask) == (Filter-Value & Filter-Mask)

4.2.6. Managing persistent tables and rules

This example creates a new table with table id 1 and then adds a rule to drop all ICMP packets

for port 0. The rules in a table are not active until the table is activated.

Create a table:

[root@host]# redirect ethX create_table --table 1

Activate the table:

[root@host]# redirect ethX activate_table --table 1

Add a rule to the newly created table:

[root@host]# redirect ethX add --table 1 --proto icmp –-action drop –-port 0

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