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Configuring the IGMP Proxy
120
SmartWare Software Configuration Guide
10 • IP interface configuration
Example:
Debug ARP output
node(cfg)#debug arp
node(cfg)#ping 10.9.10.11
Sending 5, 56 bytes, ICMP echo requests to 10.9.10.11:
17:25:40 ARP > Entry 10.9.10.11: Sending first request
17:25:40 ARP > Tx ARP Request: Who has 10.9.10.11 tell 10.9.10.1 at
00:A0:BA:00:92:4F
17:25:40 ARP > Rx ARP Reply: 10.9.10.11 is at 00:50:04:74:94:6C tell 10.9.10.1 at
00:A0:BA:00:92:4F
17:25:40 ARP > Entry 10.9.10.11: Updated by 00:50:04:74:94:6C
56 bytes from 10.9.10.11: Time 10ms
17:25:40 ARP > Rx ARP Request: Who has 10.9.10.1 tell 10.9.10.3 at
00:09:5B:53:D2:B0
17:25:40 ARP > Entry 10.9.10.3: Updated by 00:09:5B:53:D2:B0
17:25:40 ARP > Tx ARP Reply: 10.9.10.1 is at 00:A0:BA:00:92:4F tell 10.9.10.3 at
00:09:5B:53:D2:B0
% Aborted
Ping statistics for 10.9.10.11:
Packets: Sent 1, Received 1, Lost 0 (0% loss),
RTT: Minimum 10ms, Maximum 10ms, Average 10ms
Example:
Display the ARP information.
node(cfg)#show arp
IP Interface eth0:
-----------------------------------------------------------------------------
Remote IP Remote MAC State TTL TxReq RxRep Usage
-----------------------------------------------------------------------------
69.138.216.1 00:01:5C:22:46:C2 reachable 342s 2 2 12
-----------------------------------------------------------------------------
IP Interface eth1:
-----------------------------------------------------------------------------
Remote IP Remote MAC State TTL TxReq RxRep Usage
-----------------------------------------------------------------------------
10.9.10.20 00:11:1A:4C:B1:1C reachable 408s 1454 1451 67939
10.9.10.12 00:02:2D:BB:13:FB reachable 326s 533 571 16819
10.9.10.2 00:09:5B:6F:93:06 reachable 518s 0 515 1054
10.9.10.166 00:09:5B:41:30:33 stale 556s 2 9 2277
10.9.10.10 00:80:AD:78:BB:DD reachable 394s 0 2 1982
10.9.10.11 00:50:04:74:94:6C reachable 433s 1 1 2
10.9.10.3 00:09:5B:53:D2:B0 reachable 521s 0 2 18
-----------------------------------------------------------------------------
Configuring the IGMP Proxy
To enable the IGMP proxy functionality, you need to define which interface shall be used to receive multicast
streams (upstream interface) and to which interfaces the multicast streams shall be forwarded (downstream
interfaces). The router then listens on the downstream interfaces for IGMP join messages and forwards them
to the upstream interface.