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| Sun Ethernet Fabric Operating System Uplink Port Trailing Administration Guide

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### Configure the Host

1. Configure the Host-1 interface to accept VLAN 300 and 301 traffic.

       [Host-1]# ifconfig -a

       eth4.300  Link encap:Ethernet  HWaddr 90:E2:BA:79:83:94
                 inet addr:192.168.30.20  Bcast:192.168.30.255  Mask:255.255.255.0
                 inet6 addr: fe80::92e2:baff:fe79:8394/64 Scope:Link
                 UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
                 RX packets:374 errors:0 dropped:0 overruns:0 frame:0
                 TX packets:377 errors:0 dropped:0 overruns:0 carrier:0
                 collisions:0 txqueuelen:0
                 RX bytes:30622 (29.9 KiB)  TX bytes:35858 (35.0 KiB)

       eth4.301  Link encap:Ethernet  HWaddr 90:E2:BA:79:83:94
                 inet addr:192.168.31.20  Bcast:192.168.31.255  Mask:255.255.255.0
                 inet6 addr: fe80::92e2:baff:fe79:8394/64 Scope:Link
                 UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
                 RX packets:2 errors:0 dropped:0 overruns:0 frame:0
                 TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
                 collisions:0 txqueuelen:0
                 RX bytes:92 (92.0 b)  TX bytes:468 (468.0 b)

2. Configure a bond interface using two interfaces connecting to the NEM24p-0 and NEM24p-1 such that the bond interface accepts both VLAN 300 and 301 traffic.

       [Host-2]# cat /proc/net/bonding/bond0
       Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)

       Bonding Mode: fault-tolerance (active-backup)
       Primary Slave: eth7 (primary_reselect always)
       Currently Active Slave: eth7
       MII Status: up
       MII Polling Interval (ms): 100
       Up Delay (ms): 0
       Down Delay (ms): 0

       Slave Interface: eth6
       MII Status: up
       Speed: 10000 Mbps
       Duplex: full
       Link Failure Count: 5
       Permanent HW addr: 00:1b:21:66:48:ec
       Slave queue ID: 0

       Slave Interface: eth7
       MII Status: up
       Speed: 10000 Mbps
       Duplex: full
       Link Failure Count: 11
       Permanent HW addr: 00:1b:21:66:48:ed
       Slave queue ID: 0

       [Host-2]# ifconfig -a

       bond0.300 Link encap:Ethernet  HWaddr 00:1B:21:66:48:EC
                 inet addr:192.168.30.50  Bcast:192.168.30.255  Mask:255.255.255.0
                 inet6 addr: fe80::21b:21ff:fe66:48ec/64 Scope:Link
                 UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
                 RX packets:374 errors:0 dropped:0 overruns:0 frame:0
                 TX packets:536 errors:0 dropped:0 overruns:0 carrier:0
                 collisions:0 txqueuelen:0
                 RX bytes:30622 (29.9 KiB)  TX bytes:45960 (44.8 KiB)

       bond0.301 Link encap:Ethernet  HWaddr 00:1B:21:66:48:EC
                 inet addr:192.168.31.50  Bcast:192.168.31.255  Mask:255.255.255.0
                 inet6 addr: fe80::21b:21ff:fe66:48ec/64 Scope:Link
                 UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
                 RX packets:0 errors:0 dropped:0 overruns:0 frame:0
                 TX packets:39 errors:0 dropped:0 overruns:0 carrier:0
                 collisions:0 txqueuelen:0
                 RX bytes:0 (0.0 b)  TX bytes:2646 (2.5 KiB)

       NEM24p-1 SEFOS# sh uplink-trailing group 20 detail
       Uplink Trailing Group 20
       Description:     Uplink-trailing between NEM24p-1 & ToR72p-1
               Admin Status:            Enabled
               Status:                  Up
       Link State Change: Up   1       Down    0

       Port             Type   Status
       Ex0/1        uplink      Up
       Ex0/18       downlink    Up

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