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SI2000 Callisto821+ Router Users Guide 

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Ether Filter Type 

This option is used to select which packets will be sent over this connection 
and which not. Possible options are: 
- All: All packets 
- Ip: Only IP and ARP packets 
- Pppoe: Only PPPoE packets 
- Igmp: Only IGMP packets 
- IpWithoutIgmp: All IP and ARP packets except IGMP 
- None: No packets at all 

Port Filter 

This option allows you to select which other bridge interfaces/ports this 
connection can communicate with. Default value is All. You can write several 
port names separated with commas. 

Port Pvid 

Pvid is default VLAN ID. It is used by bridge when untagged traffic is received 
on this connection to add VLAN tags to the frames. If PVID is equal 1, frames 
will not be tagged. Otherwise appropriate tag will be added to all untagged 
frames. Tagged frames will be kept unchanged. 

Ingress Filtering Status 

Enable or disable ingress filtering on this connection. 

Frame Access Type 

Type of ethernet frames allowed to be transferred on this connection. Either 
ALL or VLAN tagged only. 

Port Default User Priority 

Default user priority is 802.1p priority field used for untagged packets. Same 
rules as for PVID apply. 

Num Traffic Classes 

Number of 802.1p traffic classes bridge is aware of. Default value is 8. 

Regen Priority0 -7 

Array of this fields is used to change priority of all traffic. Default value is 1-1 
setting which does nothing. 

Traffic Class Map0 - 7 

Used to map different 802.1p priority classes into different output queues. 

This chapter describes bridge operation inside Callisto821+. Bridge is a software process which forwards 
Ethernet packets from one interface to another. Interface can be physical Ethernet or virtual ATM connection 
with appropriate encapsulation method as described in previous chapters. 
 
Bridge can be configured from main bridge configuration page in Configuration section.