252 
DNS client configuration, 102 
DNS configuration, 99, 102 
DNS outg
oing packet DSCP value, 106 
DNS pa
cket source interface, 105 
DNS p
roxy, 100 
DNS p
roxy configuration, 104 
DNS spoofin
g configuration, 104 
DNS tru
sted interface, 105 
IP
 address representation and classes, 21 
IP
 addressing configuration, 21, 24, 24 
IP
 addressing interface address, 23 
IP
 addressing masking, 22 
IP
 addressing subnetting, 22 
IP
 forwarding basic configuration, 117 
IPPO, 125 
IPPO directe
d broadcast forward, 125 
IPPO directe
d broadcast forward 
configuration, 126 
IPPO ICMP
 error message send, 127 
IPPO ICMP
 fragment forwarding disable, 130 
IPPO interface 
TCP MSS, 130 
IPPO IPv4 pa
cket MTU, 127 
IPPO SYN c
ookie, 132 
IPPO 
TCP buffer size, 132 
IPPO 
TCP path MTU discovery, 131 
IPPO TCP
 timer, 132 
IPv4 DNS co
nfiguration, 106 
IPv4 DNS pro
xy configuration, 109 
IPv6 DNS co
nfiguration, 111 
IPv6 DNS pro
xy configuration, 114 
IRDP
 configuration, 119, 119, 122, 122 
special IP
 addresses, 22 
UDP
 helper broadcast > multicast 
conversion, 137 
UDP
 helper broadcast > unicast 
conversion, 136 
UDP
 helper configuration, 136 
RS 
IRDP
 RS (router solicitation), 119 
rule
 
ARP rule entry, 3 
S 
sav
ing 
IP forwarding entries to a file, 117 
se
curity 
DHCP relay agent entry periodic refresh, 69 
DHCP
 relay agent IP address release, 72 
DHCP
 relay agent relay entry recording, 69 
DHCP
 relay agent security features, 69 
DHCP
 relay agent starvation attack protection, 70 
DHCP
 server security (starvation attack 
protection), 49 
DHCP
 server security features, 49 
DH
CP smart relay, 74 
DHCP
 snooping basic configuration, 86 
DHCP
 snooping basic configuration (common 
network), 86 
DHCP
 snooping basic configuration (global), 93 
DHCP
 snooping basic configuration (VLAN), 94 
DHCP
 snooping configuration, 84, 93 
DHCP
 snooping disable (interface), 92 
DHCP
 snooping entry auto backup, 89 
DHCP
 snooping packet blocking port, 91 
DHCP
 snooping packet rate limit, 90 
DHCP
 snooping security features, 90 
DHCP
 snooping starvation attack protection, 90 
DHCP-REQ
UEST message attack protection, 91 
DHCPv6 rel
ay agent security features, 200 
DHCPv6 sn
ooping basics, 217 
DHCPv6 sn
ooping configuration, 216, 222 
DHCPv6 sn
ooping entry auto backup, 218 
DHCPv6 sn
ooping entry max, 219 
DHCPv6 sn
ooping logging, 221 
DHCPv6 sn
ooping Option 18 support 
configuration, 218 
DHCPv6 sn
ooping Option 37 support 
configuration, 218 
DHCPv6 sn
ooping packet blocking port, 220 
DHCPv6 sn
ooping packet rate limit, 219 
DH
CPv6-REQUEST check, 220 
sele
cting 
DHCP address pool, 34 
DHCPv6 add
ress pool selection, 180 
s
ending 
DHCP server BOOTP response format, 51 
serv
er 
DHCP address pool, 36 
DHCP
 client auto-configuration file, 42 
DHCP
 client BIMS server information, 42 
DHCP
 client gateway specification, 40 
DHCP
 client NetBIOS node type, 41 
DHCP
 client offline detection, 52 
DHCP
 client server specification, 43 
DH
CP client WINS server, 41 
DHCP
 compatibility configuration, 50 
DHCP
 configuration, 33 
DHCP
 logging enable, 53 
DHCP
 relay agent server, 66 
DHCP
 relay agent server proxy, 71 
DHCP
 relay agent server selection algorithm, 67