Dell Brocade DCX, Руководство по настройке

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BigIron RX Series Configuration Guide 1151
53-1001810-01
Displaying BGP4+ information
45
This display shows the following information:
TABLE 188 BGP4+ neighbor configuration information and statistics
This field... Displays...
IP Address The IPv6 address of the neighbor.
AS The AS in which the neighbor resides.
EBGP/IBGP Whether the neighbor session is an IBGP session, an EBGP session, or a
confederation EBGP session:
•
EBGP – The neighbor is in another AS.
•
EBGP_Confed – The neighbor is a member of another sub-AS in the
same confederation.
•
IBGP – The neighbor is in the same AS.
RouterID The neighbor’s router ID.
State The state of the switch’s session with the neighbor. The states are from
the switch’s perspective of the session, not the neighbor’s perspective.
The state values can be one of the following:
•
IDLE – The BGP4+ process is waiting to be started. Usually,
enabling BGP4 or establishing a neighbor session starts the BGP4+
process.
•
A minus sign (-) indicates that the session has gone down
and the software is clearing or removing routes.
•
ADMND – The neighbor has been administratively shut down.
•
A minus sign (-) indicates that the session has gone down
and the software is clearing or removing routes.
•
CONNECT – BGP4+ is waiting for the connection process for the
TCP neighbor session to be completed.
NOTE: ACTIVE – BGP4+ is waiting for a TCP connection from the
neighbor.
If the state frequently changes between CONNECT and ACTIVE,
there may be a problem with the TCP connection.
•
OPEN SENT – BGP4+ is waiting for an Open message from the
neighbor.
•
OPEN CONFIRM – BGP4+4 has received an OPEN message from
the neighbor and is now waiting for either a KEEPALIVE or
NOTIFICATION message. If the switch receives a KEEPALIVE
message from the neighbor, the state changes to Established. If the
message is a NOTIFICATION, the state changes to Idle.
•
ESTABLISHED – BGP4+ is ready to exchange UPDATE messages
with the neighbor.
NOTE: If there is more BGP data in the TCP receiver queue, a plus sign
(+) is also displayed.
If you display information for the neighbor using the show ipv6
bgp neighbor
<ipv6-address> command, the TCP receiver queue
value will be greater than 0.
Time The amount of time this session has been in its current state.
KeepAliveTime The keep alive time, which specifies how often this switch sends keep
alive messages to the neighbor.
HoldTime The hold time, which specifies how many seconds the switch will wait for
a KEEPALIVE or UPDATE message from a BGP4+ neighbor before
deciding that the neighbor is dead.