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-rw-r--r--docs/configuration/firewall/bridge.rst38
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diff --git a/docs/configuration/firewall/bridge.rst b/docs/configuration/firewall/bridge.rst
index 39956236..9c360d35 100644
--- a/docs/configuration/firewall/bridge.rst
+++ b/docs/configuration/firewall/bridge.rst
@@ -386,6 +386,44 @@ described in this section:
Match based on VLAN priority (Priority Code Point - PCP). Range is also
supported.
+Packet Modifications
+====================
+
+Starting from **VyOS-1.5-rolling-202410060007**, the firewall can modify
+packets before they are sent out. This feaure provides more flexibility in
+packet handling.
+
+.. cfgcmd:: set firewall bridge [prerouting | forward | output] filter
+ rule <1-999999> set dscp <0-63>
+
+ Set a specific value of Differentiated Services Codepoint (DSCP).
+
+.. cfgcmd:: set firewall bridge [prerouting | forward | output] filter
+ rule <1-999999> set mark <1-2147483647>
+
+ Set a specific packet mark value.
+
+.. cfgcmd:: set firewall bridge [prerouting | forward | output] filter
+ rule <1-999999> set tcp-mss <500-1460>
+
+ Set the TCP-MSS (TCP maximum segment size) for the connection.
+
+.. cfgcmd:: set firewall bridge [prerouting | forward | output] filter
+ rule <1-999999> set ttl <0-255>
+
+ Set the TTL (Time to Live) value.
+
+.. cfgcmd:: set firewall bridge [prerouting | forward | output] filter
+ rule <1-999999> set hop-limit <0-255>
+
+ Set hop limit value.
+
+.. cfgcmd:: set firewall bridge [forward | output] filter
+ rule <1-999999> set connection-mark <0-2147483647>
+
+ Set connection mark value.
+
+
Use IP firewall
===============