Alcatel-Lucent 6850-48 参考指南
OSPF Commands
OmniSwitch CLI Reference Guide
September 2009
page 41-15
ip ospf virtual-link
Creates or deletes a virtual link.
A virtual link is used to restore backbone connectivity if the backbone
is not physically contiguous.
ip ospf virtual-link area_id router_id [auth-type {none | simple | md5}] [auth-key key_string]
[dead-interval seconds] [hello-interval seconds] [retrans-interval seconds] [transit-delay seconds]
[dead-interval seconds] [hello-interval seconds] [retrans-interval seconds] [transit-delay seconds]
no ip ospf virtual-link area_id router_id
Syntax Definitions
area_id
A unique 32-bit value in IP address format.
router_id
A unique 32-bit value, such as an IP address, that identifies a neighbor-
ing router in the Autonomous System.
ing router in the Autonomous System.
none
Sets the virtual link authorization type to no authentication.
simple
Sets the virtual link authorization type to simple authentication. If
simple is selected, a key must be specified as well.
simple is selected, a key must be specified as well.
md5
Sets the virtual link authorization type to MD5 authentication.
key_string
Sets the virtual link authorization key. The key can be up to 8 ASCII
characters. See the example for more details.
characters. See the example for more details.
dead-interval seconds
Sets the virtual link dead interval. If no hello packets on this link for the
set number of seconds have been received, the virtual neighbor is
declared dead. The valid range is 1–2147483647.
set number of seconds have been received, the virtual neighbor is
declared dead. The valid range is 1–2147483647.
hello-interval seconds
Sets the virtual link hello interval, which is the time interval between
OSPF hellos sent on this virtual link. The valid range is 1–65535.
OSPF hellos sent on this virtual link. The valid range is 1–65535.
retrans-interval seconds
Sets the virtual link retransmit interval. The router waits the set number
of seconds before retransmitting OSPF packets. The valid range is 0–
3600.
of seconds before retransmitting OSPF packets. The valid range is 0–
3600.
transit-delay seconds
Sets the virtual link transit delay, which is the number of seconds to
transmit OSPF packets over this link. The valid range is 0–3600.
transmit OSPF packets over this link. The valid range is 0–3600.