[c-nsp] ip multicast boundary

Sergey Velikanov [Intelsoft] sv at intelsoft.com
Wed Jun 20 07:13:48 EDT 2007


Hi

command reference says about ip multicast boundary

"Use this command to configure an administratively scoped boundary on an interface to filter multicast group addresses in the range defined by the access-list argument. A standard 
access list defines the range of addresses affected. When this command is configured, no multicast data packets are allowed to flow across the boundary from either direction. 
Restricting multicast data packet flow enables reuse of the same multicast group address in different administrative domains."

so it should filter only multicast addresses, but when i apply this command on interface my msdp session goes down.

access-list 80 remark Groups from DTV
access-list 80 permit 224.1.0.0 0.0.7.255

rk(config)#int vlan151
rk(config-if)#ip multicast boundary 80

some time ago

%MSDP-5-PEER_UPDOWN: Session to peer 172.16.224.2 going down
rk(config-if)#
rk(config-if)#no ip multicast boundary 80
rk(config-if)#


%MSDP-5-PEER_UPDOWN: Session to peer 172.16.224.2 going up

why ip multicast boundary filter tcp session with source & destination not in multicast range?

Cisco IOS Software, C3560 Software (C3560-ADVIPSERVICESK9-M), Version 12.2(25)SED1, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2005 by Cisco Systems, Inc.
Compiled Tue 22-Nov-05 23:18 by yenanh
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