Configuring Sa Messages Related Parameters; Configuring Sa Message Content - H3C S5500-EI Configuration Manual

To configure MSDP peer connection control:
Step
1. Enter system view.
2. Enter public network MSDP
view or VPN instance MSDP
view.
3. Deactivate an MSDP peer.
4. Configure the interval
between MSDP peer
connection retries.
5. Configure an MD5
authentication key for the TCP
connection to be established
with an MSDP peer.

Configuring SA messages related parameters

Before you configure SA message delivery, complete the following tasks:
Configure any unicast routing protocol so that all devices in the domain are interoperable at the
•
network layer.
Configure basic MSDP functions.
•
Determine the ACL rules for filtering SA request messages.
•
Determine the ACL rules as SA message creation rules.
•
Determine the ACL rules for filtering SA messages to be received and forwarded.
•
Determine the TTL threshold for multicast packet encapsulation in SA messages.
•
• Determine the maximum number of (S, G) entries learned from the specified MSDP peer that the
router can cache.

Configuring SA message content

Some multicast sources send multicast data at an interval longer than the aging time of (S, G) entries. In
this case, the source-side DR must encapsulate multicast data packet by packet in register messages and
send them to the source-side RP. The source-side RP transmits the (S, G) information to the remote RP
through SA messages. Then the remote RP joins the source-side DR and builds an SPT. Because the (S, G)
entries have timed out, remote receivers can never receive the multicast data from the multicast source.
After the source-side RP is enabled to encapsulate multicast data in SA messages, if the RP wants to sends
a multicast packet, it encapsulates the multicast packet in an SA message and sends it. After receiving the
SA message, the remote RP de-encapsulates the SA message and delivers the multicast packet to the
receivers in the local domain along the RPT.
Command
system-view
msdp [ vpn-instance
vpn-instance-name ]
shutdown peer-address
timer retry interval
peer peer-address password
{ cipher | simple } password
222
Remarks
N/A
N/A
Optional.
Active by default.
Optional.
30 seconds by default.
Optional.
By default, MD5 authentication is
not performed before an TCP
connection is established.