思科的交換機說起堆疊,主要包括數據堆疊和電源堆疊,今天我們簡單看一下兩種堆疊。
一、數據堆疊
1、實際堆疊線纜如下:
2、堆疊連接圖示:
3、實際連接圖示:
4、查看堆疊狀態:
SDYC-3850-STACK#show switch
Switch/Stack Mac Address : 6cdd.30ab.1a00 - Local Mac Address
Mac persistency wait time: Indefinite
H/W Current
Switch# Role Mac Address Priority Version State
-------------------------------------------------------------------------------------
*1 Active 6cdd.30ab.1a00 1 V07 Ready
2 Standby 6cdd.30ab.4380 1 V07 Ready
走到這裏數據堆疊基本已經完成了。
二、電源堆疊
1、堆疊線纜
在這裏忘記拍實物圖片了,只能用這個圖片了。
2、連接圖示:
3、實際連接圖示:
4、查看電源堆疊狀態:
SDYC-3850-STACK#show stack-power detail
Power Stack Stack Stack Total Rsvd Alloc Unused Num Num
Name Mode Topolgy Pwr(W) Pwr(W) Pwr(W) Pwr(W) SW PS
-------------------- ------ ------- ------ ------ ------ ------ --- ---
Powerstack-1 SP-PS Ring 700 140 560 0 2 2
Power stack name: Powerstack-1
Stack mode: Power sharing
Stack topology: Ring
Switch 1:
Power budget: 280
Power allocated: 280
Low port priority value: 21
High port priority value: 12
Switch priority value: 3
Port 1 status: Connected
Port 2 status: Connected
Neighbor on port 1: Switch 2 - 6cdd.30ab.4380
Neighbor on port 2: Switch 2 - 6cdd.30ab.4380
Switch 2:
Power budget: 280
Power allocated: 280
Low port priority value: 22
High port priority value: 13
Switch priority value: 4
Port 1 status: Connected
Port 2 status: Connected
Neighbor on port 1: Switch 1 - 6cdd.30ab.1a00
Neighbor on port 2: Switch 1 - 6cdd.30ab.1a00
電源堆疊的好處:
以上圖爲例,當一臺3850的電源完全壞掉之後,仍然能夠正常工作,這時由另外一臺交換機的電源爲其供電。