SG550x multicast
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11-28-2023 04:10 AM
I'm trying to get multicast to work between an SG550x switch and wireless devices connected to an embedded wireless controller setup with multiple 9115 access points. While I can get multicast to work across VLANs on the switch, I can't get multicast on wireless devices to work unless they are on the same subnet.
The SG550x switch does not support IP PIM, and I'm not sure if this is ultimately the key to get this to work or if there are other ways to accomplish this.
I'm doing this in order to get wireless devices such as Sonos speakers and Bonjour printers to work.
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Embedded Wireless Controller
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11-28-2023 04:23 AM
Hello @3dmaxer
IGMP snooping is configured ?
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11-28-2023 05:15 AM
Yes, see below. I have all VLAN snooping set to v3, any thoughts if I need to use v2 for this situation?
ip igmp snooping
ipv6 mld snooping
ip igmp snooping vlan 1
ip igmp snooping vlan 1 immediate-leave
ip igmp snooping vlan 2
ip igmp snooping vlan 2 immediate-leave
ip igmp snooping vlan 3
ip igmp snooping vlan 3 immediate-leave
ip igmp snooping vlan 5
ip igmp snooping vlan 5 immediate-leave
ip igmp snooping vlan 100
ip igmp snooping vlan 100 immediate-leave
ip igmp snooping vlan 3 static 239.0.1.2
ip igmp snooping vlan 1 querier version 3
ip igmp snooping vlan 1 querier
ip igmp snooping vlan 2 querier version 3
ip igmp snooping vlan 2 querier
ip igmp snooping vlan 3 querier version 3
ip igmp snooping vlan 3 querier
ip igmp snooping vlan 5 querier version 3
ip igmp snooping vlan 5 querier
ip igmp snooping vlan 100 querier version 3
ip igmp snooping vlan 100 querier
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11-28-2023 05:18 AM
have looked the the config suggested by Cisco document :
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11-28-2023 05:52 AM
Yes, I had this configured for each of the VLANs (1,3,5) for static and selected all the ports that the APs were connected to. Here is that config:
interface vlan 1
name "Main - 10.50.1.x"
ip address 10.50.1.5 255.255.255.0
no ip address dhcp
ip dhcp relay enable
bridge multicast mode ipv4-group
bridge multicast ipv6 mode ip-group
bridge multicast source 10.50.1.6 group 239.1.1.1
bridge multicast forward-all add gi1/0/4,gi1/0/6,gi1/0/9,gi1/0/21
!
interface vlan 3
name "Trusted WIFI (AP1) 10.70.1.x"
ip address 10.70.1.254 255.255.255.0
ip dhcp relay enable
bridge multicast mode ipv4-group
bridge multicast ipv6 mode ip-group
bridge multicast source 10.50.1.6 group 239.1.1.1
bridge multicast forward-all add gi1/0/4,gi1/0/6,gi1/0/9,gi1/0/21
!
interface vlan 5
name "Wireless Devices AP2 - 10.90.1.x"
ip address 10.90.1.254 255.255.255.0
ip dhcp relay enable
bridge multicast mode ipv4-group
bridge multicast ipv6 mode ip-group
bridge multicast source 10.50.1.6 group 239.1.1.1
bridge multicast forward-all add gi1/0/4,gi1/0/6,gi1/0/9,gi1/0/21
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11-28-2023 08:33 AM
When I do a multicast test between two wired devices on VLAN 1 and do a sh ip igmp counters vlan 1, I get the following:
vlan 1
Elapsed time since counters cleared: 48:28:59
Failed received Joins: 0
Total IGMPv1 received messages: 0
Total IGMPv2 received messages: 37364
Total IGMPv3 received messages: 20021
Total invalid received messages: 57385
General Sent Queries: 0
Specific Sent Queries: 0
The invalid receive counter will go up in as my multicast test runs. Does this point to some configuration issue?
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11-29-2023 04:27 PM
1. Make sure your EWC software is up to date as per TAC recommended (link below) - currently 17.9.4a
https://software.cisco.com/download/home/286322352/type/286323077/release/17.9.4a
2. Check the config guides:
https://www.cisco.com/c/en/us/support/docs/wireless/catalyst-9800-series-wireless-controllers/215352-configure-and-troubleshoot-mdns-on-catal.html (applies to regular WLC but read for reference)
https://www.cisco.com/c/en/us/td/docs/wireless/controller/ewc/17-9/config-guide/ewc_cg_17_9/m_local_area_bonjour_ewc_ap_mode.html (EWC config guide)
Please click Helpful if this post helped you and Select as Solution (drop down menu at top right of this reply) if this answered your query.
------------------------------
TAC recommended codes for AireOS WLC's and TAC recommended codes for 9800 WLC's
Best Practices for AireOS WLC's, Best Practices for 9800 WLC's and Cisco Wireless compatibility matrix
Check your 9800 WLC config with Wireless Config Analyzer using "show tech wireless" output or "config paging disable" then "show run-config" output on AireOS and use Wireless Debug Analyzer to analyze your WLC client debugs
Field Notice: FN63942 APs and WLCs Fail to Create CAPWAP Connections Due to Certificate Expiration
Field Notice: FN72424 Later Versions of WiFi 6 APs Fail to Join WLC - Software Upgrade Required
Field Notice: FN72524 IOS APs stuck in downloading state after 4 Dec 2022 due to Certificate Expired
- Fixed in 8.10.196.0, latest 9800 releases, 8.5.182.12 (8.5.182.13 for 3504) and 8.5.182.109 (IRCM, 8.5.182.111 for 3504)
Field Notice: FN70479 AP Fails to Join or Joins with 1 Radio due to Country Mismatch, RMA needed
How to avoid boot loop due to corrupted image on Wave 2 and Catalyst 11ax Access Points (CSCvx32806)
Field Notice: FN74035 - Wave2 APs DFS May Not Detect Radar After Channel Availability Check Time
Leo's list of bugs affecting 2800/3800/4800/1560 APs
Default AP console baud rate from 17.12.x is 115200 - introduced by CSCwe88390
