508
stateless DHCPv6, 262
troubleshooting DHCP relay agent
configuration, 84
trouble
shooting DHCP server
configuration, 70
trouble
shooting GRE, 356
trouble
shooting GRE hosts cannot ping each
other, 356
trouble
shooting IPv4 DNS configuration, 125
trouble
shooting IPv4 DNS incorrect IP
address, 125
trouble
shooting IPv6 address cannot be
pinged, 259
trouble
shooting IPv6 basics configuration, 259
trouble
shooting IPv6 DNS configuration, 125
trouble
shooting IPv6 DNS incorrect IP
address, 125
trouble
shooting tunnel cannot come up, 342
trouble
shooting tunneling configuration, 342
tunnelin
g compatibility information, 316
tunnelin
g configuration, 308
tunnelin
g configuration display, 342
tunnelin
g configuration maintain, 342
tunnelin
g protocols and standards, 315
twice NA
T configuration, 180
UDP
helper broadcast > multicast
conversion, 219, 221
UDP
helper broadcast > unicast
conversion, 218, 221
UDP
helper configuration, 218, 221
UDP
helper configuration restrictions, 218
UDP
helper display, 220
UDP
helper maintain, 220
UDP
helper multicast > broadcast
conversion, 223
UDP
helper multicast > broadcast/unicast
conversion, 220
IPng, 224, See also IPv6
IPPO
config
uration, 208
dire
cted broadcast receive/forward
configuration, 209
dire
cted broadcast receive/forward enable, 208
displ
aying, 215
ICMP
error message rate limit, 214
ICMP
error message send, 212
I
CMP packet source address, 214
interface MT
U configuration, 210
interface
TCP MSS configuration, 210
IPv4 loc
al fragment reassembly, 215
maintaining, 215
TCP
buffer size, 212
TCP
path MTU discovery, 210
TCP
SYN cookie, 211
TCP
timer, 212
IPs
ec
ADVPN tunnel IPsec configuration, 372
GRE appli
cation scenarios, 344
IP-to-MAC
DHCP
snooping configuration, 91, 93, 101
IPv4
6to4 relay co
nfiguration, 325
6to4 tunnel
configuration, 323, 324
ADVPN co
nfiguration (IPv4 full-mesh NAT
traversal), 432
ADVPN co
nfiguration (IPv4 full-mesh), 374
ADVPN co
nfiguration (IPv4 hub-spoke), 389
ADVPN
configuration (IPv4 multi-hub-group), 404
AFT
configuration, 440, 445, 451
AFT
configuration (IPv4-initiated
communication), 445
AFT
IPv4 Internet access (IPv6 network), 451
AFT
IPv4 Internet FTP service (IPv6
network), 453
AFT
IPv4 packet ToS field, 449
AFT
IPv4–IPv6 mutual access, 455
AFT
IPv6 Internet access (IPv4 network), 457
AFT
IPv6 Internet FTP service (IPv4
network), 459