H3C Technologies H3C S12500-X Series Switches - Manual (Page 188)

177
Option 82 (relay agent);Option 082 (relay
agent), 25 , 27
option customization, 39
options (common), 25
options (custom), 25
overview, 22
protocols and standards, 27
relay agent configuration, 51 , 52 , 57
relay agent enable on interface, 53
relay agent IP address release, 56
relay agent operation, 51
relay agent Option 82 configuration, 56 , 58
relay agent Option 82 support, 52
relay agent packet DSCP value, 57
relay agent relay entry periodic refresh, 54
relay agent relay entry recording, 54
relay agent security functions, 54
relay agent starvation attack protection, 55
server address pool configuration, 31
server address pool creation, 32
server address pool IP address range, 32
server address pool IP address range (primary
subnet/multiple ranges), 32
server address pool IP address range (primary
subnet/multiple secondary subnets), 33
server BOOTP request ignore, 42
server BOOTP response format, 43
server compatibility configuration, 42
server configuration, 29 , 31 , 44
server enable on interface, 40
server IP address dynamic assignment, 46
server IP address static assignment, 44
server option customization configuration, 48
server packet DSCP value, 43
server response broadcast, 42
server specification on relay agent, 53
server user class configuration, 47
snooping. See DHCP snooping
troubleshooting relay agent configuration, 59
troubleshooting server configuration, 49
voice client Option 184 parameters, 39
DHCP snooping
basic configuration, 67
basics configuration, 73
configuration, 65 , 67 , 73
displaying, 72
entry max number, 71
entry save, 69
IP services DHCP-REQUEST message attack
protection, 71
maintaining, 72
Option 82 configuration, 68
Option 82 support, 66
Option 82 support configuration, 74
packet rate limit, 72
starvation attack protection, 70
trusted port, 65 , 65
untrusted port, 65 , 65
DHCP-REQUEST message attack protection, 71
disabling
ICMP fragment forwarding, 102
displaying
IP addressing, 19
IP forwarding FIB table entries, 92
IP performance optimization, 103
IP services ARP, 7
IP services DHCP client, 62
IP services DHCP relay agent, 57
IP services DHCP server, 44
IP services DHCP snooping, 72
IP services GRE, 166
IP services proxy ARP, 14
IP services tunneling configuration, 160
IP services UDP helper, 106
IPv4 DNS, 82
IPv6 basics, 126
DNS
configuration, 76 , 77
displaying IPv4 DNS, 82
dynamic domain name resolution, 76
IP services DHCP client configuration, 36
IPv4 client configuration, 78
IPv4 client dynamic domain name
resolution, 78 , 83
IPv4 client static domain name resolution, 78 , 82
IPv4 configuration, 82
IPv6 client configuration, 79
IPv6 client dynamic domain name
resolution, 79 , 86
IPv6 client static domain name resolution, 79 , 86