All cameras streaming are very slow Highlighted

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[Issue ]
All cameras are very slow 

[Analysis]
- The cctv server have gig card / and was connecting to Ethernet port so we advised to move the server to gig interface but same issue happened .

- We checked the access and core switches for the cameras slowness issue and we found high output utilization on all interfaces :

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-A lot of multicast discarded :

230227uw00zyzqzau6wr07.png?2.png

- We enabled the igmp-snooping under the VLAN 175 (CCTV VLAN) on core switch as CCTV use multicast :

[vlan-175]igmp-snooping enable

- And now traffic is normal

230502dy608nh0chr7ciuv.png?4.png

[Root cause]

 - Server connected to Ethernet ports .

- IGMP-snooping was not enabled under the vlan

 

[Solution]

1-       Confirmed that the server connected properly to gig interfaces .

2-       Enable IGMP-snooping under vlan . 


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