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HP 5500 Ei 5500 Si Switch Series Configuration Guide

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Task  Command  Remarks 
Reset PIM control message 
counters.
  reset pim 
[ all-instance  | 
vpn-instance  vpn-instance-name  ] 
control-message counters  
[ interface  interface-type 
interface-number  ]  Available in user view
 
 
PIM configuration examples 
PIM-DM configuration example 
Network requirements 
As shown in Figure 51, receivers receive VOD information through multicast. The receiver groups of 
different organizations form stub networks, and one or more receiver hosts exist in each stub network. The 
entire PIM domain is operating in the dense mode. 
Host A and Host C are multicast receivers in two stub networks. 
IGMPv2 runs between Switch A and N1 and between Switch B/Switch C and N2. 
Figure 51  Network diagram 
 
Device Interface IP address Device Interface IP address 
Switch A  Vlan-int100  10.110.1.1/24 Switch D Vlan-int300 10.110.5.1/24 
 Vlan-int103 192.168.1.1/24  Vlan-int103 192.168.1.2/24 
Switch B  Vlan-int200  10.110.2.1/24  Vlan-int101 192.168.2.2/24 
 Vlan-int101 192.168.2.1/24  Vlan-int102 192.168.3.2/24 
Switch C  Vlan-int200  10.110.2.2/24      
 Vlan-int102 192.168.3.1/24     
Ethernet
Ethernet
Ethernet
N1
N2
Vl an
-int102
Vl
an-
int102
Vlan-i
nt103
Vlan-int10
3
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    							 166 
Configuration procedure 
1. Configure IP addresses and unicast routing: 
Configure the IP address  and subnet mask for each interface as per  Figure 51. (Details not sh
own.) 
Configure OSPF on the switches in the PIM-DM  domain to ensure network-layer reachability 
among them. (Details not shown.) 
2.  Enable IP multicast routing, and enable PIM-DM and IGMP: 
# Enable IP multicast routing on Switch A, enable  PIM-DM on each interface, and enable IGMP on 
VLAN-interface 100, which connects Switch A to the stub network.  
 system-view 
[SwitchA] multicast routing-enable 
[SwitchA] interface vlan-interface 100 
[SwitchA-Vlan-interface100] igmp enable 
[SwitchA-Vlan-interface100] pim dm 
[SwitchA-Vlan-interface100] quit 
[SwitchA] interface vlan-interface 103 
[SwitchA-Vlan-interface103] pim dm 
[SwitchA-Vlan-interface103] quit 
The configuration on Switch B and Switch C is similar to that on Switch A. 
# Enable IP multicast routing on Switch D, and enable PIM-DM on each interface. 
 system-view 
[SwitchD] multicast routing-enable 
[SwitchD] interface vlan-interface 300 
[SwitchD-Vlan-interface300] pim dm 
[SwitchD-Vlan-interface300] quit 
[SwitchD] interface vlan-interface 103 
[SwitchD-Vlan-interface103] pim dm 
[SwitchD-Vlan-interface103] quit 
[SwitchD] interface vlan-interface 101 
[SwitchD-Vlan-interface101] pim dm 
[SwitchD-Vlan-interface101] quit 
[SwitchD] interface vlan-interface 102 
[SwitchD-Vlan-interface102] pim dm 
[SwitchD-Vlan-interface102] quit 
3.  Verify the configuration: 
# Display PIM configuration information on Switch D. 
[SwitchD] display pim interface 
 VPN-Instance: public net 
 Interface           NbrCnt HelloInt   DR-Pri     DR-Address 
 Vlan300             0      30         1          10.110.5.1     (local\
) 
 Vlan103             1      30         1          192.168.1.2    (local\
) 
 Vlan101             1      30         1          192.168.2.2    (local\
) 
 Vlan102             1      30         1          192.168.3.2    (local\
) 
# Display PIM neighboring relationships on Switch D. 
[SwitchD] display pim neighbor 
 VPN-Instance: public net 
 Total Number of Neighbors = 3
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    							 167 
 
 Neighbor        Interface           Uptime   Expires  Dr-Priority 
 192.168.1.1     Vlan103             00:02:22 00:01:27 1 
 192.168.2.1     Vlan101             00:00:22 00:01:29 3 
 192.168.3.1     Vlan102             00:00:23 00:01:31 5 
Assume that Host A needs to receive the information addressed to multicast group G (225.1.1.1). 
After multicast source S (10.110.5.100/24) sends mu lticast packets to the multicast group G, an 
SPT is established through traffic flooding. Switches on the SPT path (Switch A and Switch D) have 
their (S, G) entries. Host A sends an IGMP report  to Switch A to join the multicast group G, and a 
(*, G) entry is generated on Switch A. You can use the  display pim routing-table command to view 
the PIM routing table information  on each switch. For example:  
# Display PIM routing table information on Switch A. 
[SwitchA] display pim routing-table 
 VPN-Instance: public net 
 Total 1 (*, G) entry; 1 (S, G) entry 
 
 (*, 225.1.1.1) 
     Protocol: pim-dm, Flag: WC 
     UpTime: 00:04:25 
     Upstream interface: NULL 
         Upstream neighbor: NULL 
         RPF prime neighbor: NULL 
     Downstream interface(s) information: 
     Total number of downstreams: 1 
         1: Vlan-interface100 
             Protocol: igmp, UpTime: 00:04:25, Expires: never 
 
 (10.110.5.100, 225.1.1.1) 
     Protocol: pim-dm, Flag: ACT 
     UpTime: 00:06:14 
     Upstream interface: Vlan-interface103 
         Upstream neighbor: 192.168.1.2 
         RPF prime neighbor: 192.168.1.2 
     Downstream interface(s) information: 
     Total number of downstreams: 1 
         1: Vlan-interface100 
             Protocol: pim-dm, UpTime: 00:04:25, Expires: never 
# Display PIM routing table information on Switch D. 
[SwitchD] display pim routing-table 
 VPN-Instance: public net 
 Total 0 (*, G) entry; 1 (S, G) entry 
 
 (10.110.5.100, 225.1.1.1) 
     Protocol: pim-dm, Flag: LOC ACT 
     UpTime: 00:03:27 
     Upstream interface: Vlan-interface300 
         Upstream neighbor: NULL 
         RPF prime neighbor: NULL
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     Downstream interface(s) information: 
     Total number of downstreams: 2 
         1: Vlan-interface103 
             Protocol: pim-dm, UpTime: 00:03:27, Expires: never 
         2: Vlan-interface102 
             Protocol: pim-dm, UpTime: 00:03:27, Expires: never 
PIM-SM non-scoped zone configuration example 
Network requirements 
As shown in Figure 52, receivers receive VOD information through multicast. The receiver groups of 
different organizations form stub networks, and one or more receiver hosts exist in each stub network. The 
entire PIM-SM domain contains only one BSR. 
Host A and Host C are multicast receivers in two stub networks. 
VLAN-interface 105 on Switch D and VLAN-interface  102 on Switch E act as C-BSRs and C-RPs. The 
C-BSR on Switch E has a higher priority. The multicast group range served by the C-RP is 225.1.1.0/24. 
Modify the hash mask length to map a certain number of consecutive group addresses within the range 
to the two C-RPs. 
IGMPv2 runs between Switch A and N1 and between Switch B/Switch C and N2.  
Figure 52  Network diagram 
 
Device Interface  IP address Device Interface IP address 
Switch A  Vlan-int100  10.110.1.1/24 Switch D Vlan-int300 10.110.5.1/24 
 Vlan-int101 192.168.1.1/24   Vlan-int101 192.168.1.2/24 
 Vlan-int102 192.168.9.1/24  Vlan-int105 192.168.4.2/24 
Switch B  Vlan-int200  10.110.2.1/24 Switch E Vlan-int104 192.168.3.2/24 
Ethernet
Ethernet
Ethernet
N1
N2
Vlan- i
n t10
1
Vlan-
int101
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    							 169 
 Vlan-int103 192.168.2.1/24
  Vlan-int103 192.168.2.2/24 
Switch C  Vlan-int200  10.110.2.2/24   
Vlan-int102  192.168.9.2/24 
 Vlan-int104 192.168.3.1/24  Vlan-int105 192.168.4.1/24  
Configuration procedure 
1. Configure IP addresses and unicast routing: 
Configure the IP address  and subnet mask for each interface as per  Figure 52. (Details not sh
own.) 
Configure OSPF on the switches in the PIM-SM  domain to ensure network-layer reachability 
among them. (Details not shown.) 
2.  Enable IP multicast routing, and enable PIM-SM and IGMP: 
# Enable IP multicast routing on Switch A, enable  PIM-SM on each interface, and enable IGMP on 
VLAN-interface 100, which connects Switch A to the stub network.  
 system-view 
[SwitchA] multicast routing-enable 
[SwitchA] interface vlan-interface 100 
[SwitchA-Vlan-interface100] igmp enable 
[SwitchA-Vlan-interface100] pim sm 
[SwitchA-Vlan-interface100] quit 
[SwitchA] interface vlan-interface 101 
[SwitchA-Vlan-interface101] pim sm 
[SwitchA-Vlan-interface101] quit 
[SwitchA] interface vlan-interface 102 
[SwitchA-Vlan-interface102] pim sm 
[SwitchA-Vlan-interface102] quit 
The configuration on Switch B and Switch C is similar to that on Switch A. The configuration on 
Switch D and Switch E is also similar to that on Switch A except that it is not necessary to enable 
IGMP on the corresponding interfaces on these two switches. 
3.  Configure a C-BSR and a C-RP: 
# On Switch D, configure the service scope of  RP, specify a C-BSR and a C-RP, and set the hash 
mask length to 32 and the priority of the C-BSR to 10. 
 system-view 
[SwitchD] acl number 2005 
[SwitchD-acl-basic-2005] rule permit source 225.1.1.0 0.0.0.255 
[SwitchD-acl-basic-2005] quit 
[SwitchD] pim 
[SwitchD-pim] c-bsr vlan-interface 105 32 10 
[SwitchD-pim] c-rp vlan-interface 105 group-policy 2005 
[SwitchD-pim] quit 
# On Switch E, configure the service scope of RP  advertisements, specify a C-BSR and a C-RP, and 
set the hash mask length to 32 and the priority of the C-BSR to 20. 
 system-view 
[SwitchE] acl number 2005 
[SwitchE-acl-basic-2005] rule permit source 225.1.1.0 0.0.0.255 
[SwitchE-acl-basic-2005] quit 
[SwitchE] pim 
[SwitchE-pim] c-bsr vlan-interface 102 32 20
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[SwitchE-pim] c-rp vlan-interface 102 group-policy 2005 
[SwitchE-pim] quit 
4. Verify the configuration: 
# Display PIM configuration information on Switch A. 
[SwitchA] display pim interface 
 VPN-Instance: public net 
 Interface           NbrCnt HelloInt   DR-Pri     DR-Address 
 Vlan100             0      30         1          10.110.1.1     (local\
) 
 Vlan101             1      30         1          192.168.1.2 
 Vlan102             1      30         1          192.168.9.2 
# Display BSR information and the locally configur ed C-RP information in effect on Switch A. 
[SwitchA] display pim bsr-info 
 VPN-Instance: public net 
 Elected BSR Address: 192.168.9.2 
     Priority: 20 
     Hash mask length: 32 
     State: Accept Preferred 
     Scope: Not scoped 
     Uptime: 00:40:40 
     Expires: 00:01:42 
# Display BSR information and the locally configured C-RP information in effect on Switch D. 
[SwitchD] display pim bsr-info 
 VPN-Instance: public net 
 Elected BSR Address: 192.168.9.2 
     Priority: 20 
     Hash mask length: 32 
     State: Accept Preferred 
     Scope: Not scoped 
     Uptime: 00:05:26 
     Expires: 00:01:45 
 Candidate BSR Address: 192.168.4.2 
     Priority: 10 
     Hash mask length: 32 
     State: Candidate 
     Scope: Not scoped 
 
 Candidate RP: 192.168.4.2(Vlan-interface105) 
     Priority: 192 
     HoldTime: 150 
     Advertisement Interval: 60 
     Next advertisement scheduled at: 00:00:34 
# Display BSR information and the locally configured C-RP information in effect on Switch E. 
[SwitchE] display pim bsr-info 
 VPN-Instance: public net 
 Elected BSR Address: 192.168.9.2 
     Priority: 20 
     Hash mask length: 32
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     State: Elected 
     Scope: Not scoped 
     Uptime: 00:01:18 
     Next BSR message scheduled at: 00:01:52 
 Candidate BSR Address: 192.168.9.2 
     Priority: 20 
     Hash mask length: 32 
     State: Elected 
     Scope: Not scoped 
 
Candidate RP: 192.168.9.2(Vlan-interface102) 
     Priority: 192 
     HoldTime: 150 
     Advertisement Interval: 60 
     Next advertisement scheduled at: 00:00:48 
# Display RP information on Switch A. 
[SwitchA] display pim rp-info 
 VPN-Instance: public net 
 PIM-SM BSR RP information: 
 Group/MaskLen: 225.1.1.0/24 
     RP: 192.168.4.2 
     Priority: 192 
     HoldTime: 150 
     Uptime: 00:51:45 
     Expires: 00:02:22 
 
     RP: 192.168.9.2 
     Priority: 192 
     HoldTime: 150 
     Uptime: 00:51:45 
     Expires: 00:02:22 
Assume that Host A needs to receive information addressed to the multicast group G (225.1.1.0). 
The RP corresponding to the multicast group G is Swit ch E as a result of hash calculation, so an RPT 
will be built between Switch A and Switch E.  When the multicast source S (10.110.5.100/24) 
registers with the RP, an SPT will be built between Switch D and Switch E. After receiving multicast 
data, Switch A immediately switches from the RPT  to the SPT. Switches on the RPT path (Switch A 
and Switch E) have a (*, G) entry, and switches  on the SPT path (Switch A and Switch D) have an 
(S, G) entry. You can use the  display pim routing-table command to view the PIM routing table 
information on the switches. For example:  
# Display PIM routing table information on Switch A. 
[SwitchA] display pim routing-table 
 VPN-Instance: public net 
 Total 1 (*, G) entry; 1 (S, G) entry 
 
 (*, 225.1.1.0) 
     RP: 192.168.9.2 
     Protocol: pim-sm, Flag: WC 
     UpTime: 00:13:46
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     Upstream interface: Vlan-interface102 
         Upstream neighbor: 192.168.9.2 
         RPF prime neighbor: 192.168.9.2 
     Downstream interface(s) information: 
     Total number of downstreams: 1 
         1: Vlan-interface100 
             Protocol: igmp, UpTime: 00:13:46, Expires: 00:03:06 
 
 (10.110.5.100, 225.1.1.0) 
     RP: 192.168.9.2 
     Protocol: pim-sm, Flag: SPT ACT 
     UpTime: 00:00:42 
     Upstream interface: Vlan-interface101 
         Upstream neighbor: 192.168.1.2 
         RPF prime neighbor: 192.168.1.2 
     Downstream interface(s) information: 
     Total number of downstreams: 1 
         1: Vlan-interface100 
             Protocol: pim-sm, UpTime: 00:00:42, Expires: 00:03:06 
The information on Switch B and Switch C is similar to that on Switch A. 
# Display PIM routing table information on Switch D. 
[SwitchD] display pim routing-table 
 VPN-Instance: public net 
 Total 0 (*, G) entry; 1 (S, G) entry 
 
 (10.110.5.100, 225.1.1.0) 
     RP: 192.168.9.2 
     Protocol: pim-sm, Flag: SPT LOC ACT 
     UpTime: 00:00:42 
     Upstream interface: Vlan-interface300 
         Upstream neighbor: NULL 
         RPF prime neighbor: NULL 
     Downstream interface(s) information: 
     Total number of downstreams: 1 
         1: Vlan-interface105 
             Protocol: pim-sm, UpTime: 00:00:42, Expires: 00:02:26 
# Display PIM routing table information on Switch E. 
[SwitchE] display pim routing-table 
 VPN-Instance: public net 
 Total 1 (*, G) entry; 0 (S, G) entry 
 
 (*, 225.1.1.0) 
     RP: 192.168.9.2 (local) 
     Protocol: pim-sm, Flag: WC 
     UpTime: 00:13:16 
     Upstream interface: Register 
         Upstream neighbor: 192.168.4.2 
         RPF prime neighbor: 192.168.4.2
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     Downstream interface(s) information: 
     Total number of downstreams: 1 
         1: Vlan-interface102 
             Protocol: pim-sm, UpTime: 00:13:16, Expires: 00:03:22 
PIM-SM admin-scope zone configuration example 
Network requirements 
As shown in Figure 53, receivers receive VOD information through multicast. The entire PIM-SM domain 
is divided into admin-scope zone 1, admin-scope zone 2, and the global zone. Switch B, Switch C, and 
Switch D are ZBRs of these three domains respectively.  
Source 1 and Source 2 send different multicast inform a t i o n  t o  m u l t i c a s t  g r o u p  2 3 9 .1.1.1.  H o s t  A  r e c e i v e s  
the multicast information only from Source 1, and Host B receives the multicast information only from 
Source 2. Source 3 sends multicast information to multicast group 224.1.1.1. Host C is a multicast receiver 
for this multicast group.  
VLAN-interface 101 of Switch B acts as a C-BSR an d C-RP of admin-scope zone 1, which serves the 
multicast group range 239.0.0.0/8. VLAN-interface 104 of Switch D acts as a C-BSR and C-RP of 
admin-scope zone 2, which also serves the multicast group range 239.0.0.0/8. VLAN-interface 109 of 
Switch F acts as C-BSRs and C-RPs of the global scope zone, which serves all the multicast groups other 
than those in the 239.0.0.0/8 range.  
IGMPv2 runs between Switch A, Switch E, Switch I, and their respective receivers.
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Figure 53 Network diagram 
 
Device Interface  IP address Device Interface IP address 
Switch A  Vlan-int100  192.168.1.1/24 Switch D Vlan-int104 10.110.4.2/24 
  Vlan-int101 10.110.1.1/24   Vlan-int108 10.110.7.1/24 
Switch B  Vlan-int200  192.168.2.1/24  Vlan-int107 10.110.8.1/24 
 Vlan-int101 10.110.1.2/24 Switch E Vlan-int400 192.168.4.1/24 
  Vlan-int103 10.110.2.1/24   Vlan-int105 10.110.5.2/24 
 Vlan-int102 10.110.3.1/24  Vlan-int108 10.110.7.2/24 
Switch C  Vlan-int300  192.168.3.1/24 Switch F Vlan-int109 10.110.9.1/24 
  Vlan-int104 10.110.4.1/24   Vlan-int107 10.110.8.2/24 
 Vlan-int105 10.110.5.1/24  Vlan-int102 10.110.3.2/24 
 Vlan-int103 10.110.2.2/24 Switch G Vlan-int500 192.168.5.1/24 
  Vlan-int106 10.110.6.1/24   Vlan-int109 10.110.9.2/24 
Switch H  Vlan-int110  10.110.10.1/24 Source 1 — 192.168.2.10/24 
 Vlan-int106 10.110.6.2/24 Source 2 — 192.168.3.10/24 
Switch I  Vlan-int600  192.168.6.1/24  Source 3  —  192.168.5.10/24 
 Vlan-int110 10.110.10.2/24     
Configuration procedure 
1. Configure IP addresses and unicast routing: 
Configure the IP address  and subnet mask for each interface as per  Figure 53. (Details not sh
own.) 
Configure OSPF on the switches in the PIM-SM  domain to ensure network-layer reachability 
among them. (Details not shown.)  
2.  Enable IP multicast routing and administrat ive scoping, and enable PIM-SM and IGMP: 
Vlan
-i
n t105
Vl a
n-int10 3
Vl
an-
in
t300V l
an-i n
t105
Vla n
-int600
V lan-int103
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