Brocade Communications Systems ICX 7250 series, Руководство по настройке

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To display the cooperative filtering configuration on the device, enter a command such as the following.
device# show ip bgp neighbor 10.10.10.1
1 IP Address: 10.10.10.1, AS: 65200 (IBGP), RouterID: 10.10.10.1
State: ESTABLISHED, Time: 0h0m7s, KeepAliveTime: 60, HoldTime: 180
RefreshCapability: Received
CooperativeFilteringCapability: Received
Messages: Open Update KeepAlive Notification Refresh-Req
Sent : 1 0 1 0 1
Received: 1 0 1 0 1
Last Update Time: NLRI Withdraw NLRI Withdraw
Tx: --- --- Rx: --- ---
Last Connection Reset Reason:Unknown
Notification Sent: Unspecified
Notification Received: Unspecified
TCP Connection state: ESTABLISHED
Byte Sent: 110, Received: 110
Local host: 10.10.10.2, Local Port: 8138
Remote host: 10.10.10.1, Remote Port: 179
ISentSeq: 460 SendNext: 571 TotUnAck: 0
TotSent: 111 ReTrans: 0 UnAckSeq: 571
IRcvSeq: 7349 RcvNext: 7460 SendWnd: 16384
TotalRcv: 111 DupliRcv: 0 RcvWnd: 16384
SendQue: 0 RcvQue: 0 CngstWnd: 5325
Syntax: show ip bgp neighbor ip-addr
To display the ORFs received from a neighbor, enter a command such as the following:
device# show ip bgp neighbor 10.10.10.1 received prefix-filter
ip prefix-list 10.10.10.1: 4 entries
seq 5 permit 10.10.0.0/16 ge 18 le 28
seq 10 permit 10.20.10.0/24
seq 15 permit 10.0.0.0/8 le 32
seq 20 permit 10.10.0.0/16 ge 18
Syntax: show ip bgp neighbor ip-addr received prefix-filter
Four-byte Autonomous System Numbers (AS4)
This section describes the reasons for enabling four-byte autonomous system numbers (AS4s). AS4s are supported by default. You can
specify and view AS4s by default and using the enable facility described in this section. However, not all devices in a network are always
capable of utilizing AS4s. The act of enabling them on the local device initiates a facility for announcing the capability and negotiating its
use with neighbors. If you do not enable AS4s on a device, other devices do not know that this device is sending them.
The system uses a hierarchy to prioritize the utilization of the AS4 capability. The prioritization depends on the CLI configuration
commands. AS4s can be enabled and configured at the level of a neighbor, a peer group, or globally for the entire device, according to
the following bottom-up hierarchy:
• If a neighbor has no configuration for AS4s but it belongs to a peer group, the neighbor uses the configuration from the peer
group. For example, if you configure a neighbor but do not include a specification for AS4s, one of the following applies:
–
The neighbor uses the AS4 configuration for a peer group if it belongs to a peer group.
– The neighbor uses the device configuration if it does not belong to a peer group or the peer group has no AS4
configuration.
• If a peer group has no configuration for AS4s, it can use the global configuration of the device. If the device has no configuration
for AS4s, then a neighbor or peer group without a configuration for AS4s use the device default--no announcement or
negotiation of AS4s.
Four-byte Autonomous System Numbers (AS4)
Brocade FastIron Layer 3 Routing Configuration Guide
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