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  1. I configured the switch port for voice and data vlans. I was trying to use IP source guard for this port but it was failing. I can see the phone IP address in the DHCP binding table but the IP source guard was failing. I configured static binding for the IP phone and it was working.
    Any suggestion to solve this issue without using the static binding ?

  2. Hello Hind

    In order for IP source guard to function with a voice VLAN, DHCP snooping must be enabled on that voice VLAN. Take a look at the following documentation from Cisco:

    https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-2SY/configuration/guide/sy_swcg/ip_source_guard.html#78545

    When you say IP Source Guard was failing, what do you mean exactly? If the issue was

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