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How Do I Implement Communication Between Some Sub-VLANs in a Super-VLAN?

Latest reply: Apr 27, 2020 14:15:46 1103 3 0 0
How Do I Implement Communication Between Some Sub-VLANs in a Super-VLAN?
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yolanda_turner
Created Mar 5, 2016 06:25:18 Helpful(0) Helpful(0)


When VLAN aggregation is configured, hosts in a super-VLAN use IP addresses on the same network segment and share the same gateway address. Hosts in different sub-VLANs belong to the same subnet, so the switch forwards packets between the hosts by searching for ARP entries but not through the gateway. Proxy ARP allows the switch to establish ARP entries for all sub-VLANs for interworking.

To implement interworking between some sub-VLANs, configure static ARP entries to bind destination MAC addresses to the gateway IP address on hosts in the sub-VLANs.

For example, when host A with the gateway IP address of 192.168.1.1/24 wants to access host B with the MAC address of 00-aa-00-62-c6-09, perform the following operations:
Choose Start > Run, enter cmd, and press Enter.
Enter arp -s 192.168.1.1 00-aa-00-62-c6-09.
After the preceding configuration is complete, host A can access host B. If host B needs to access host A, configure a static ARP entry to bind host A's MAC address to the gateway IP address on host B.

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egleesc
Created Apr 27, 2020 14:15:39 Helpful(0) Helpful(0)

Useful document, thanks
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egleesc
Created Apr 27, 2020 14:15:46 Helpful(0) Helpful(0)

thank you for your support.
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