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Date:   Fri, 13 May 2022 10:13:32 -0700
From:   Jakub Kicinski <>
To:     Saranya_PL <>
Subject: Re: [PATCH net-next] net: PIM register decapsulation and

On Thu, 12 May 2022 00:01:38 -0700 Saranya_PL wrote:
> PIM register packet is decapsulated but not forwarded in RP
> __pim_rcv decapsulates the PIM register packet and reinjects for forwarding
> after replacing the skb->dev to reg_dev (vif with VIFF_Register)
> Ideally the incoming device should be same as skb->dev where the
> original PIM register packet is received. mcache would not have
> reg_vif as IIF. Decapsulated packet forwarding is failing
> because of IIF mismatch. In RP for this S,G RPF interface would be
> skb->dev vif only, so that would be IIF for the cache entry.
> Signed-off-by: Saranya_PL <>

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