One-To-Two/Two-To-Two Vlan Mapping Configuration Example - 3Com S7906E Configuration Manual

S7900e family release 6600 series

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Command reference manual (2327 pages)

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Table of Contents

[SwitchC] interface gigabitethernet 2/0/2

[SwitchC-GigabitEthernet2/0/2] port link-type trunk

[SwitchC-GigabitEthernet2/0/2] port trunk permit vlan 111 211 311 112 212 312 501 502 503

# Enable customer-side QinQ on GigabitEthernet 2/0/2.

[SwitchC-GigabitEthernet2/0/2] qinq enable downlink

# Apply the uplink policy p2 to the inbound direction of GigabitEthernet 2/0/2.

[SwitchC-GigabitEthernet2/0/2] qos apply policy p2 inbound

[SwitchC-GigabitEthernet2/0/2] quit

# Configure GigabitEthernet 2/0/3 to permit frames of the specified SVLANs to pass through.

[SwitchC] interface gigabitethernet 2/0/3

[SwitchC-GigabitEthernet2/0/3] port link-type trunk

[SwitchC-GigabitEthernet2/0/3] port trunk permit vlan 501 502 503

# Configure GigabitEthernet 2/0/3 as a DHCP snooping trusted port.

[SwitchC-GigabitEthernet2/0/3] dhcp-snooping trust

# Configure GigabitEthernet 2/0/3 as an ARP trusted port.

[SwitchC-GigabitEthernet2/0/3] arp detection trust

# Enable SP-side QinQ on GigabitEthernet 2/0/3.

[SwitchC-GigabitEthernet2/0/3] qinq enable uplink

Configuration on Switch D

<SwitchD> system-view

# Enable DHCP snooping.

[SwitchD] dhcp-snooping

# Configure GigabitEthernet 2/0/1 to permit frames of the specified SVLANs to pass through.

[SwitchD] interface gigabitethernet 2/0/1

[SwitchD-GigabitEthernet2/0/1] port link-type trunk

[SwitchD-GigabitEthernet2/0/1] port trunk permit vlan 501 502 503

# Configure GigabitEthernet 2/0/1 as a DHCP snooping trusted port and disable DHCP snooping to

record the IP-to-MAC bindings for DHCP clients on it.

[SwitchD-GigabitEthernet2/0/1] dhcp-snooping trust no-user-binding