APC IP DSLAM User's Guide download pdf (Page 579)

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to determine the behavior for Reserved Mac

destined frames. Reserved Mac addresses are

the multicast addresses defined as reserved in

IEEE 802.1Q and IEEE 802.1ad. The existence

of the specified "ResvdCtlPktProfile Table" entry

is a must for VLAN static entry creation to

succeed. Further, even if the specified

"ResvdCtlPktProfile Table" entry exists, but the

corresponding entry in "ResvdCtlPktProfile

Param Table" is missing the packets will be

dropped. VLAN here means the 802.1q Vlan in

case of Native Vlan mode and Virtual Vlan in

case of Stacked Vlan Mode.

Igmp Snoop Action

This parameter specifies that if an action is

"Learn" then igmpsnoop will be supported for

this Vlan and an entry will be learnt. Here action

will be applied in conjunction with global

igmpsnoopStatus and port level

igmpsnoopStatus flags, that is IGMP

functionality will be executed for a frame if IGMP

is enabled globally and on the port it has been

received and for the vlan/virtual vlan on which it

has come.If action is "drop" then igmpsnoop

functionality is not supported for this vlan and

IGMP frames shall be dropped. If action is

"transparently forward", then IGMP frames

received for this Vlan shall be forwarded

transparently and learning will not be done

Igmpsnoop

ProxyReporting Status

This parameter provides a configuration option

to choose between transparent snooping or

Proxy reporting behavior per Vlan. Depending

on the type of mode, IGMP module will perform

either transparent snooping or proxy reporting

for the IGMP messages, received on a Vlan.

Here the Vlan which is being referred is the one

on which learning will happen. It will be multicast

vlan, if "Multicast Vlan option" is enabled.

Igmpsnoop ingress

Priority

This parameter specifies the ingress priority to

be forced on the incoming frame. If the ingress

priority field has valid value, then that value will

be used for traffic class determination and

packet priority. If valid egress priority is

configured for a port, then egress priority shall

override the ingress priority. In addition, there is

support of invalid value for ingress priority to

indicate that the priority is not to be forced on

ingress frame for this port.Here the Vlan which is

being referred is the one on which learning shall

happen. It will be multicast vlan, if "Multicast

Vlan option" is enabled.

Directed ARP status

This specifies whether ARP packets received on

this VLAN are to be directed to a single port

using (VLANId, IP address) to bridge port

mapping learnt using DRA. This attribute is

effective in conjunction with the attribute

'gsvDot1dPortDirectedARP' of

'Dot1dBasePortExtTable' MO. ARP packets are

to be directed as mentioned above, only if both

the flags are enabled. If any of the two is

disabled, the ARP packets will be forwarded as

per the normal bridging flow.

DARPFailedHandling

This specifies the action to be taken on an ARP

packet received on this VLAN for which it is not

possible to determine a single port using

(VLANId, IP address) to bridge port mapping

learnt using DRA. If the value is drop, the ARP

packet will be dropped. If the value is

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