7.8.4 Checking the Configuration
After the transmission of burst multicast data is configured, you can run related commands to
check detailed information about MSDP peers and SA cache information.
Procedure
l Run the display msdp [ vpn-instance vpn-instance-name | all-instance ] sa-cache [ group-
address | source-address | [ 2-byte-as-number | 4-byte-as-number ] ]
*
command to check
SA Cache of the public network instance, VPN instance, or all instances.
l Run the display msdp [ vpn-instance vpn-instance-name | all-instance ] peer-status
[ peer-address ] command to check detailed information about the MSDP peer status.
----End
Example
Run the display msdp peer-status [ peer-address ] command, and you can view the minimum
TTL for forwarding an SA messages containing a data packet and check whether the
configuration is valid. For example:
<Quidway> display msdp peer-status
MSDP Peer Information of VPN-Instance: public net
MSDP Peer 172.40.41.1, AS ?
Description:
Information about connection status:
State: Up
Up/down time: 00:26:41
Resets: 0
Connection interface: Vlanif10 (172.40.41.2)
Number of sent/received messages: 27/28
Number of discarded output messages: 0
Elapsed time since last connection or counters clear: 00:26:56
Information about (Source, Group)-based SA filtering policy:
Import policy: none
Export policy: none
Information about SA-Requests:
Policy to accept SA-Request messages: 2000
Sending SA-Requests status: enable
Minimum TTL to forward SA with encapsulated data: 10
SAs learned from this peer: 0, SA Cache maximum for the peer: none
Input queue size: 0, Output queue size: 0
Counters for MSDP message:
Count of RPF check failure: 0
Incoming/outgoing SA messages: 16/0
Incoming/outgoing SA requests: 0/0
Incoming/outgoing SA responses: 0/0
Incoming/outgoing data packets: 0/0
Peer authentication: unconfigured
Peer authentication type: none
Run the display msdp sa-cache command to check the information about (S, G) entries in SA
Cache.
l If group-address is specified, the (S, G) entry to which a specified group corresponds is
displayed.
l If source-address is specified, the (S, G) entry to which a specified source corresponds is
displayed.
l If 2-byte-as-number or 4-byte-as-number is specified, the (S, G) entry whose Origin RP
attribute belongs to a specified AS is displayed.
<Quidway> display msdp sa-cache
MSDP Source-Active Cache Information of VPN-Instance: public net
Quidway S7700 Smart Routing Switch
Configuration Guide - Multicast 7 MSDP Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
249
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