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Chapter 4. Routing
ProSafe® Gigabit L3 Managed Stackable Switches Software Administration Manual
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LS ID
The Link State ID identifies the piece of the routing
domain that is being described by the advertisement.
The value of the LS ID depends on the
advertisement's LS type.
Age
The time since the link state advertisement was first
originated, in seconds.
Sequence
The sequence number field is a signed 32-bit integer.
It is used to detect old and duplicate link state
advertisements. The larger the sequence number,
the more recent the advertisement.
Checksum
The checksum is used to detect data corruption of an
advertisement. This corruption can occur while an
advertisement is being flooded, or while it is being
held in a router's memory. This field is the checksum
of the complete contents of the advertisement,
except the LS age field.
Options
The Options field in the link state advertisement
header indicates which optional capabilities are
associated with the advertisement. The options are:
•
Q: This enables support for QoS Traffic
Engineering.
•
E: This describes the way AS-external-LSAs are
flooded.
•
MC: This describes the way IP multicast
datagrams are forwarded according to the
standard specifications.
•
O: This describes whether Opaque-LSAs are
supported.
•
V: This describes whether OSPF++ extensions
for VPN/COS are supported.
Table 35.
Field
Description
Содержание GSM7352S - ProSafe Switch - Stackable
Страница 8: ...8 Contents ProSafe Gigabit L3 Managed Stackable Switches Software Administration Manual Index ...
Страница 326: ...326 Chapter 4 Routing ProSafe Gigabit L3 Managed Stackable Switches Software Administration Manual ...
Страница 472: ...472 Chapter 6 Managing Device Security ProSafe Gigabit L3 Managed Stackable Switches Software Administration Manual ...
Страница 545: ...Chapter 6 Managing Device Security 545 ProSafe Gigabit L3 Managed Stackable Switches Software Administration Manual ...
Страница 547: ...Chapter 7 Monitoring the System 547 ProSafe Gigabit L3 Managed Stackable Switches Software Administration Manual ...
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Страница 584: ...584 Chapter 8 Maintenance ProSafe Gigabit L3 Managed Stackable Switches Software Administration Manual ...
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