Dell Force10 C150 Configuration Manual page 517

Configure Multi-Topology IS-IS (MT IS-IS)
Step Task
1 Enable Multi-Topology IS-IS for
IPv6.
transition
Enter the
allow an IS-IS IPv6 user to continue
to use single-topology mode while
upgrading to multi-topology
mode.After every router has been
configured with the transition
keyword, and all the routers are in
MT IS-IS IPv6 mode users can
remove the transition keyword on
each router.
Note: When transition mode is not enabled, you will not have IPv6 connectivity between routers
operating in single-topology mode and routers operating in multi-topology mode.
2 Excluded this router from other
router's SPF calculations.
3 Set the minimum interval between
SPF calculations.
This command is used for IPv6 route computation
spf-interval
mode, use the
computations.
wide metric-style
4 Implement a
globally.
To configure wide or wide transition
metric style, the cost can be a
between 0 and 16,777,215.
Configure IS-IS Graceful Restart
To enable IS-IS Graceful Restart globally, use the following command in ROUTER-ISIS mode.
Additional, optional commands can be implemented to enable the Graceful Restart settings.
Command Syntax
graceful-restart ietf
graceful-restart interval minutes
Command Syntax
multi-topology [
keyword to
set-overload-bit
spf-interval [level-l | level-2 | interval]
[initial_wait_interval
[second_wait_interval]]
command in CONFIG ROUTER ISIS mode to apply to both IPv4 and IPv6 route
isis ipv6 metric metric-value [level-1 |
level-2 | level-1-2]
Command Mode
ROUTER-ISIS
ROUTER-ISIS
]
transition
only
when multi-topology is enabled. If using single-topology
Purpose
Enable Graceful Restart on ISIS processes
Configure the period of time during which the Graceful
Restart attempt will be prevented.
Range: 1-120 minutes
Default: 5 minutes
Intermediate System to Intermediate System | 517
Command Mode
ROUTER ISIS AF IPV6
ROUTER ISIS AF IPV6
ROUTER ISIS AF IPV6
ROUTER ISIS AF IPV6