I do not have the ip command on the WRT54GL, only iptables-save.
# Generated by iptables-save v1.4.6 on Mon Sep 12 13:18:04 2011
*nat
:PREROUTING ACCEPT [0:0]
:POSTROUTING ACCEPT [16227:1233808]
:OUTPUT ACCEPT [16227:1233808]
:nat_reflection_in - [0:0]
:nat_reflection_out - [0:0]
:postrouting_rule - [0:0]
:prerouting_lan - [0:0]
:prerouting_rule - [0:0]
:prerouting_wan - [0:0]
:zone_lan_nat - [0:0]
:zone_lan_prerouting - [0:0]
:zone_wan_nat - [0:0]
:zone_wan_prerouting - [0:0]
-A PREROUTING -j prerouting_rule
-A PREROUTING -i br-lan -j zone_lan_prerouting
-A PREROUTING -i eth0.1 -j zone_wan_prerouting
-A POSTROUTING -j postrouting_rule
-A POSTROUTING -o br-lan -j zone_lan_nat
-A POSTROUTING -o eth0.1 -j zone_wan_nat
-A postrouting_rule -j nat_reflection_out
-A prerouting_rule -j nat_reflection_in
-A zone_lan_prerouting -j prerouting_lan
-A zone_wan_prerouting -j prerouting_wan
COMMIT
# Completed on Mon Sep 12 13:18:04 2011
# Generated by iptables-save v1.4.6 on Mon Sep 12 13:18:04 2011
*raw
:PREROUTING ACCEPT [31284:7738250]
:OUTPUT ACCEPT [16481:1283593]
:zone_lan_notrack - [0:0]
:zone_wan_notrack - [0:0]
-A PREROUTING -i br-lan -j zone_lan_notrack
-A PREROUTING -i eth0.1 -j zone_wan_notrack
-A zone_lan_notrack -j NOTRACK
-A zone_wan_notrack -j NOTRACK
COMMIT
# Completed on Mon Sep 12 13:18:04 2011
# Generated by iptables-save v1.4.6 on Mon Sep 12 13:18:04 2011
*mangle
:PREROUTING ACCEPT [203849:50582027]
:INPUT ACCEPT [70811:6000889]
:FORWARD ACCEPT [19175:9971307]
:OUTPUT ACCEPT [114003:11698513]
:POSTROUTING ACCEPT [130594:21488417]
COMMIT
# Completed on Mon Sep 12 13:18:04 2011
# Generated by iptables-save v1.4.6 on Mon Sep 12 13:18:04 2011
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:forward - [0:0]
:forwarding_lan - [0:0]
:forwarding_rule - [0:0]
:forwarding_wan - [0:0]
:input - [0:0]
:input_lan - [0:0]
:input_rule - [0:0]
:input_wan - [0:0]
:nat_reflection_fwd - [0:0]
:output - [0:0]
:output_rule - [0:0]
:reject - [0:0]
:syn_flood - [0:0]
:zone_lan - [0:0]
:zone_lan_ACCEPT - [0:0]
:zone_lan_DROP - [0:0]
:zone_lan_REJECT - [0:0]
:zone_lan_forward - [0:0]
:zone_wan - [0:0]
:zone_wan_ACCEPT - [0:0]
:zone_wan_DROP - [0:0]
:zone_wan_REJECT - [0:0]
:zone_wan_forward - [0:0]
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j syn_flood
-A INPUT -j input_rule
-A INPUT -j input
-A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -j forwarding_rule
-A FORWARD -j forward
-A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A OUTPUT -o lo -j ACCEPT
-A OUTPUT -j output_rule
-A OUTPUT -j output
-A forward -i br-lan -j zone_lan_forward
-A forward -i eth0.1 -j zone_wan_forward
-A forwarding_rule -j nat_reflection_fwd
-A input -i br-lan -j zone_lan
-A input -i eth0.1 -j zone_wan
-A output -j zone_lan_ACCEPT
-A output -j zone_wan_ACCEPT
-A reject -p tcp -j REJECT --reject-with tcp-reset
-A reject -j REJECT --reject-with icmp-port-unreachable
-A syn_flood -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -m limit --limit 25/sec --limit-burst 50 -j RETURN
-A syn_flood -j DROP
-A zone_lan -j input_lan
-A zone_lan -j zone_lan_ACCEPT
-A zone_lan_ACCEPT -o br-lan -j ACCEPT
-A zone_lan_ACCEPT -i br-lan -j ACCEPT
-A zone_lan_DROP -o br-lan -j DROP
-A zone_lan_DROP -i br-lan -j DROP
-A zone_lan_REJECT -o br-lan -j reject
-A zone_lan_REJECT -i br-lan -j reject
-A zone_lan_forward -d 192.168.2.3/32 -j zone_wan_ACCEPT
-A zone_lan_forward -d 192.168.2.6/32 -j zone_wan_ACCEPT
-A zone_lan_forward -j forwarding_lan
-A zone_lan_forward -j zone_lan_ACCEPT
-A zone_wan -p udp -m udp --dport 68 -j ACCEPT
-A zone_wan -p icmp -m icmp --icmp-type 8 -j ACCEPT
-A zone_wan -j input_wan
-A zone_wan -j zone_wan_ACCEPT
-A zone_wan_ACCEPT -o eth0.1 -j ACCEPT
-A zone_wan_ACCEPT -i eth0.1 -j ACCEPT
-A zone_wan_DROP -o eth0.1 -j DROP
-A zone_wan_DROP -i eth0.1 -j DROP
-A zone_wan_REJECT -o eth0.1 -j reject
-A zone_wan_REJECT -i eth0.1 -j reject
-A zone_wan_forward -j forwarding_wan
-A zone_wan_forward -j zone_wan_ACCEPT
COMMIT
# Completed on Mon Sep 12 13:18:04 2011