Zaction examples, Extensions to the default matches – Znyx Networks bh5700 User Manual

Page 64

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--drop

Drops the packet

--accept

Accepts the packet

--set-prio <val>Set the 802.1p priority to <val>

--use-prio <val>Use queue priority <val>

--copy-cpu Send the packet to the CPU. This will force the full

installed chains traversal in software

--set-eport <val>

Redirect the packet to port <val>

--set-mport <val> Mirror the packet to port
<val>

--set-tos <val> Set the IP-Precedence bits in the TOS field of

the IP header to <val>

--set-dscp <val>Set the 6-bit DSCP in the TOS field of the IP
header to <val>.

Options with any of these ZACTION parameters:

--counter <val> Increment classifier hit counter <val>

--arp Not an action, match only ARP packets.

-i option can be used to specify ingress port or VLAN,

-d specifies target IP address,

-p specifies arp operation as request (1) or response (2).

For arp response, the -o field can be used to specify the egress port.

ZACTION Examples

Send all tcp packets arriving on zhp5 out port 2:

iptables -a FORWARD -i zhp5 -p tcp -j ZACTION --set-eport 2

Send all tcp packets arriving on zhp5 to the CPU (software).

iptables -a FORWARD -i zhp5 -p tcp -j ZACTION --copy-cpu

Set the 802.1p priority to 3 on all tcp packets arriving on zhp5.

iptables -a FORWARD -i zhp5 -p tcp -j ZACTION --set-prio 3

Extensions to the default matches

These are described in the Linux packet filtering HOWTO at:

http://netfilter.org/documentation/index.html#documentation-howto

Ethernet Switch Blade User's Guide

release 3.2.2j

page 64

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