
C
HAPTER
13
| Security Measures
IPv6 Source Guard
– 407 –
C
OMMAND
U
SAGE
◆
Setting source guard mode to SIP (Source IP) enables this function on
the selected port. Use the SIP option to check the VLAN ID, IPv6 global
unicast source IP address, and port number against all entries in the
binding table.
◆
After IPv6 source guard is enabled on an interface, the switch initially
blocks all IPv6 traffic received on that interface, except for ND packets
allowed by ND snooping and DHCPv6 packets allowed by DHCPv6
snooping. A port access control list (ACL) is applied to the interface.
Traffic is then filtered based upon dynamic entries learned via ND
snooping or DHCPv6 snooping, or static addresses configured in the
source guard binding table. The port allows only IPv6 traffic with a
matching entry in the binding table and denies all other IPv6 traffic.
◆
Table entries include a MAC address, IPv6 global unicast address, entry
type (Static-IPv6-SG-Binding, Dynamic-ND-Binding, Dynamic-DHCPv6-
Binding), VLAN identifier, and port identifier.
◆
Static addresses entered in the source guard binding table (using the
Static Binding page) are automatically configured with an infinite lease
time. Dynamic entries learned via DHCPv6 snooping are configured by
the DHCPv6 server itself.
◆
If IPv6 source guard is enabled, an inbound packet’s source IPv6
address will be checked against the binding table. If no matching entry
is found, the packet will be dropped.
◆
Filtering rules are implemented as follows:
■
If ND snooping and DHCPv6 snooping are disabled, IPv6 source
guard will check the VLAN ID, source IPv6 address, and port
number. If a matching entry is found in the binding table and the
entry type is static IPv6 source guard binding, the packet will be
forwarded.
■
If ND snooping or DHCP snooping is enabled, IPv6 source guard will
check the VLAN ID, source IP address, and port number. If a
matching entry is found in the binding table and the entry type is
static IPv6 source guard binding, dynamic ND snooping binding, or
dynamic DHCPv6 snooping binding, the packet will be forwarded.
■
If IP source guard if enabled on an interface for which IPv6 source
bindings (dynamically learned via ND snooping or DHCPv6
snooping, or manually configured) are not yet configured, the
switch will drop all IPv6 traffic on that port, except for ND packets
and DHCPv6 packets.
■
Only IPv6 global unicast addresses are accepted for static bindings.
P
ARAMETERS
These parameters are displayed:
◆
Port
– Port identifier (Range: 1-28/52)
Содержание ECS4110-28T
Страница 1: ...Management Guide www edge core com ECS4110 28T 28P 52T 52P 28 52 Port Gigabit Ethernet Layer 2 Switch...
Страница 2: ......
Страница 4: ......
Страница 63: ...FIGURES 63 Figure 428 Configuring VLAN Translation 1177...
Страница 64: ...FIGURES 64...
Страница 72: ...TABLES 72...
Страница 74: ...SECTION I Getting Started 74...
Страница 102: ...SECTION II Web Configuration 102 General IP Routing on page 679...
Страница 154: ...CHAPTER 4 Basic Management Tasks Resetting the System 154...
Страница 198: ...CHAPTER 5 Interface Configuration VLAN Trunking 198 Figure 65 Configuring VLAN Trunking...
Страница 272: ...CHAPTER 9 Congestion Control Automatic Traffic Control 272...
Страница 286: ...CHAPTER 10 Class of Service Layer 3 4 Priority Settings 286...
Страница 420: ...CHAPTER 13 Security Measures DHCP Snooping 420...
Страница 566: ...CHAPTER 14 Basic Administration Protocols OAM Configuration 566...
Страница 638: ...CHAPTER 15 Multicast Filtering Multicast VLAN Registration for IPv6 638...
Страница 662: ...CHAPTER 16 IP Configuration Setting the Switch s IP Address IP Version 6 662...
Страница 678: ...CHAPTER 17 IP Services Configuring the PPPoE Intermediate Agent 678...
Страница 792: ...CHAPTER 21 System Management Commands Switch Clustering 792...
Страница 822: ...CHAPTER 23 Remote Monitoring Commands 822...
Страница 888: ...CHAPTER 24 Authentication Commands PPPoE Intermediate Agent 888...
Страница 968: ...CHAPTER 25 General Security Measures Port based Traffic Segmentation 968...
Страница 994: ...CHAPTER 26 Access Control Lists ACL Information 994...
Страница 1034: ...CHAPTER 28 Link Aggregation Commands Trunk Status Display Commands 1034...
Страница 1044: ...CHAPTER 29 Power over Ethernet Commands 1044...
Страница 1084: ...CHAPTER 33 UniDirectional Link Detection Commands 1084...
Страница 1090: ...CHAPTER 34 Address Table Commands 1090...
Страница 1194: ...CHAPTER 37 VLAN Commands Configuring Voice VLANs 1194...
Страница 1388: ...CHAPTER 42 CFM Commands Delay Measure Operations 1388...
Страница 1410: ...CHAPTER 44 Domain Name Service Commands 1410...
Страница 1420: ...CHAPTER 45 DHCP Commands DHCP Relay 1420...
Страница 1472: ...CHAPTER 46 IP Routing Commands IPv4 Commands 1472...
Страница 1474: ...SECTION IV Appendices 1474...
Страница 1502: ...COMMAND LIST 1502...
Страница 1513: ......
Страница 1514: ...ECS4110 28T ECS4110 28P ECS4110 52T ECS4110 52P E072014 ST R02 150200000929A...