Configure IPv6 Globally
Global configuration includes the following:
-
IPv6 alternative routes: To avoid traffic interruption, enable alternative routes globally on the switch, to replace the best route with the next-best route if the best route becomes unavailable. By default, this feature is enabled.
Before you begin
Change the VRF instance as required to configure IPv6 globally on a specific VRF instance. Not all parameters are configurable on non-default VRFs.
Procedure
- In the navigation tree, expand the folders.
- Select IPv6.
- Select the Globals tab.
- In the DefaultHopLimit box, enter the preferred number of hops before packets drop.
- To enable ICMP network unreachable messages, select IcmpNetUnreach.
- In the IcmpErrorInterval box, enter the preferred interval for sending ICMPv6 error messages.
- In the IcmpErrorQuota box, enter the preferred number of ICMP error messages that the system can send during the ICMP error interval.
- To enable IPv6 multicast, select IcmpMulticastRequestEnable.
- To enable IPv6 ICMP address unreachable messages, select IcmpAddrUnreach.
- To enable IPv6 ICMP port unreachable messages, select IcmpPortUnreach.
- To enable IPv6 Fragmented ICMP packet filtering, select IcmpDropFragmentsEnable.
- To enable IPv6 autoconfiguration, select Autoconfig.
- To enable IPv6 static routes globally, select StaticRouteGlobalAdminEnabled.
- To enable IPv6 Source Routing, select SourceRouteEnable.
- To clear all IPv6 static routes, select RouteStaticClear.
- To enable IPv6 alternative routes, select AlternativeRouteEnable.
- To configure IPv6 ECMP globally, select enable or disable, in the EcmpEnable option box.
- In the EcmpMaxPath box, enter the preferred number of equal-cost paths.
- Select Apply.
Globals Field Descriptions
Use the data in the following table to use the Globals tab.
Name |
Description |
---|---|
Forwarding |
Configures whether this switch is an IPv6 router with respect to the forwarding of datagrams received by, but not addressed to, the switch. Select forwarding for the switch to act as a router for IPv6 traffic. Select notForwarding to not act as a router for IPv6 traffic. The default is forwarding. You must enable forwarding to use Telnet or Ping with IPv6. |
DefaultHopLimit |
Configures the hop limit. The default is 64. |
Interfaces |
Shows the number of interfaces. |
IfTableLastChange |
Shows the date of the last interface table change. |
IcmpNetUnreach |
Enables ICMP network unreachable messages. The default is disabled. |
IcmpErrorInterval |
Configures the interval (in milliseconds) for sending ICMPv6 error messages. The default is 1000. An entry of 1 seconds results in no sent ICMPv6 error messages. |
IcmpErrorQuota |
Configures the number of ICMP error messages that the system can send during the ICMP error interval. A value of zero specifies not to send any. The default value is 50. |
IcmpMulticastRequestEnable |
Globally enables or disables the IPv6 ICMP echo multicast request feature. This is enabled by default. |
IcmpAddrUnreach |
Enables or disabled ICMP address unreachable messages. This is enabled by default. |
IcmpPortUnreach |
Enables or disables ICMP port unreachable messages. This is enabled by default. |
IcmpDropFragmentsEnable Note: Exception: Not supported on
XA1400
Series.
|
Enables or disables the Fragmented ICMP packet filtering globally. The default is disabled. |
Autoconfig |
Enables or disables stateless address autoconfiguration. This is disabled by default. |
StaticRouteGlobalAdminEnabled |
Enables IPv6 static routes globally. If you disable static routes globally, the system removes all enabled static routes from the RTM and does not add new static routes to the RTM. The default is enabled. |
RouteStaticClear |
Clears all IPv6 static routes. |
SourceRouteEnable |
Globally enables or disables the IPv6 Source Routing feature. It is disabled by default. |
PrefixListTableSize |
Displays the prefix list table size. |
RoutePrefTableSize |
Displays the route preference table size. |
AlternativeRouteEnable |
Globally enables or disables the IPv6 alternative route feature. By default, this feature is enabled. |
EcmpEnable |
Enables or disables the IPv6 ECMP globally. By default, it is disabled. |
EcmpMaxPath |
Globally configures the maximum number of ECMP paths. The number of paths supported is either 1 to 4 or 1 to 8, depending on your hardware platform. When ECMP is enabled, the default value is either 4 or 8 depending on your hardware platform. You cannot configure this feature unless ECMP is enabled globally. |