Aggregation in solaris

How to create aggregation in solaris

An aggregation is similar to an IPMP link created for failover, but has other advantages

An aggregation is treated as one device for configuration and management, and uses only one IP address

In-bound as well as outbound load spreading is provided, so extra bandwidth is available.

Automatic failover is provided, to the remaining working links in the aggregation

Parallel aggregations between servers can be created, without going through a switch

Prereqsites:

An interface that has been plumbed cannot become a member of an aggregation

All interfaces in the aggregation must run at the same speed and in full-duplex mode

we must set the value for MAC addresses to “true” in the EEPROM parameter local-mac-address

Interfaces must be of the GLDv3 type: bge, e1000g, xge, nge, rge, ixgb

If the device shows up as type:legacy you cannot use it in an aggregation

Creating a Link Aggregation

Unplumb the interfaces to be aggregated:

# dladm show-dev
nxge0           link: up        speed: 1000  Mbps       duplex: full
nxge1           link: up        speed: 1000  Mbps       duplex: full
nxge2           link: unknown   speed: 0     Mbps       duplex: unknown
nxge3           link: unknown   speed: 0     Mbps       duplex: unknown

# ifconfig nxge0 down unplumb
# ifconfig nxge1 down unplumb

dladm  create -aggr  -d  nxge0 -d nxge1 1    To  create an aggregation number 1(key) from interfaces nxge0 and nxge1.

ifconfig aggr1 plumb    ---1 is aggregation name or key aggr1 is having bandwidth2gb now {nxge0 (1gb) +nxge1(1gb)=2gb}

dladm   show-aggr

key: 1 (0x0001) policy: L4      address: 0:3:ba:7:84:5e (auto)
device   address           speed         duplex  link    state
bge0     0:3:ba:7:84:5e    1000  Mbps    full    up      attached
bge1     0:3:ba:7:84:5e   1000  Mbps    full    up      attached

ifconfig aggr1  172.18.1.1 netmask 255.255.255.0 broadcast 172.18.1.255 up

Make the configuration persistent

# vi /etc/hostname.aggr1

server01-aggr1 netmask + broadcast + up

# vi /etc/hosts

172.30.36.133 server01-aggr1

#

Perform reboot. Good to go for reconfigure reboot but not required.

reboot -- -rv

To add another interface to the aggregation

dladm  add-aggr  -d  bge2  -d  bge3  1

How to remove a interface from  aggregation

dladm remove-aggr -d nxge0 1  ----here 1 is aggregation

# dladm  show-aggr  -s
key: 1                   ipackets    rbytes      opackets   obytes          %ipkts %opkts
           Total        158030    31173663    12            504
           qfe1         132878    26014941    12            504                84.1    100.0
           qfe2          8818       1818890       0              0                    5.6     0.0
           qfe3          8174        1671697       0             0                    5.2     0.0
           qfe0          8160        1668135       0             0                    5.2     0.0

dladm show-aggr -L command to display LACP-specific information.

nlcbck08:a511627>

nlcbck08:a511627> dladm show-aggr -L

key: 1 (0x0001) policy: L4      address: 0:21:28:7:3e:ee (auto)

                LACP mode: active       LACP timer: short

    device    activity timeout aggregatable sync  coll dist defaulted expired

    nxge0     active   short   yes          yes   yes  yes  no        no

    nxge4     active   short   yes          yes   yes  yes  no        no

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How to configure VLANS:

VLANs enable you to split your physical LAN into logical subparts, providing an essential tool for increasing the efficiency and flexibility of your network.

network port on the switch, etc, should support multiple VLANs

By default, 128 VLANs can be defined for each VLAN-aware card on your server

VLANs are commonly used to separate groups of network users into manageable broadcast domains, to create logical segmentation of workgroups, and to enforce security policies among each logical segment. Each defined VLAN behaves as its own separate network, with its traffic and broadcasts isolated from the others, increasing the bandwidth efficiency within each logical group

Configuring VLANS

ifconfig nxge0plumb

ifconfig nxge0 up

ifconfig nxge487000 plumb

ifconfig nxge487000 192.19.20.54 netmask 255.255.255.0 broadcast + up

VLAN=driver-name + VID * 1000 + device-instance

nxge487000= nxge+487*1000+0---here 487  is vlan port and nxge is driver name and device instance is 0(nxge0)

for making it persistent 

cat /etc/hostname. nxge487000

192.19.20.54

Cat /etc/hosts

192.19.20.54 hostname