3com MSR 20-20 참조 매뉴얼

-2 4.4.4.7

Incoming interface address: 6.6.6.7

Previous-hop router address: 0.0.0.0

Input packet count on incoming interface: 2

Output packet count on outgoing interface: 259

Total number of packets for this source-group pair: 8100

Protocol: PIM

Forwarding TTL: 0

Forwarding code: No error 

multicast boundary group-address { mask | mask-length }

undo multicast boundary { group-address { mask | mask-length } | all }

Interface view

group-address: Multicast group address, in the range of 224.0.0.0 to 
239.255.255.255.

mask: Mask of the multicast group address.

mask-length: Mask length of the multicast group address, in the range of 4 to 32.

all: Specifies to remove all forwarding boundaries configured on the interface.

Use the multicast boundary command to configure a multicast forwarding 
boundary.

Table 327   Description on the fields of the mtracert command

last-hop router 

Last-hop router 

(6.6.6.6, 225.2.1.1) 

The (S, G) multicast stream for which the forwarding path is 
being traced 

-1 5.5.5.8 

The (S, G) outgoing interface address of each hop, starting 
from the last-hop router 

Incoming interface address 

The address of the interface on which the (S, G) packets arrive 

Previous-hop router address 

The IP address of the router from which this router receives 
packets from this source 

Input packet count on 
incoming interface 

The total number of multicast packets received on the 
incoming interface 

Output packet count on 
outgoing interface 

The total number of multicast packets transmitted for 
transmission on the outgoing interface 

Total number of packets for 
this source-group pair 

The total number of packets from the specified source 
forwarded by this router to the specified group 

Protocol 

The multicast routing protocol in use between this router and 
the previous hop router 

Forwarding TTL 

The minimum TTL that a packet is required to have before it 
can be forwarded over the outgoing interface 

Forwarding code 

Forwarding code