Configuration Guide

Table Of Contents
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October 2021
377
22.13.4
Verify multicast TLV’s
Assuming we have a sender via the SMLT cluster 8005 and 8006 and a receiver via 8007. TLV 186 in
relationship to switch 8005 & 8006 should have the Tx bit set and also send TLV 144 with the Tx bit set.
Each multicast group should have its own unique data ISID with a value of 1600000x. The receiver bridges
(8007) should have TLV 144 with the Rx bit set.
Step 1 - Verify IP multicast source, group addresses, and Tx bit set on the BEB bridge
where the multicast source is located via TLV 186.
show isis lsdb tlv 186 detail
Results: From bridge 8007
8007:5#show isis lsdb tlv 186 detail
================================================================================
ISIS LSDB (DETAIL)
================================================================================
Level-1 LspID: 0024.43b4.e3df.00-00 SeqNum: 0x00000da4 Lifetime: 422
Chksum: 0xfb52 PDU Length: 903
Host_name: 8005
Attributes: IS-Type 1
TLV:186 SPBM IP Multicast:
GRT ISID
Metric:0
IP Source Address: 10.12.100.10
Group Address : 232.1.1.1
Data ISID : 16000008
BVID : 4051
TX : 1
Route Type : Internal
Level-1 LspID: 001e.1f48.f3df.00-00 SeqNum: 0x00001810 Lifetime: 646
Chksum: 0x8556 PDU Length: 880
Host_name: 8006
Attributes: IS-Type 1
GRT ISID
Metric:0
IP Source Address: 10.12.100.10
Group Address : 232.1.1.1
Data ISID : 16000009