CCNP - STP Features BPDU Guard

 

Lab 46 STP Features BPDU Guard


Konfigurasikan BPDU guard pada port e0/0 sehingga portnya akan menjadi blok error disable bila menerima BPDU. Pada switch, secara otomatis akan mengirimkan bpdu, sedangkan pada router perlu ditambahkan konfigurasi bridging terlebih dahulu untuk menggenerate trafik bpdu


Kita langsung masuk ke konfigurasinya

SW1(config)#interface e0/0
SW1(config-if)#spanning-tree bpduguard enable
*Feb 1 15:56:38.537: %SPANTREE-2-BLOCK_BPDUGUARD: Received
BPDU on port Et0/0 with BPDU Guard enabled. Disabling port.
*Feb 1 15:56:38.537: %PM-4-ERR_DISABLE: bpduguard error detected
on Et0/0, putting Et0/0 in err-disable state

Setelah itu kita cek

SW1(config)#do show int e0/0
Ethernet0/0 is down, line protocol is down (err-disabled)
Hardware is Ethernet, address is aabb.cc00.0100 (bia aabb.cc00.0100)
MTU 1500 bytes, BW 10000 Kbit/sec, DLY 1000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Auto-duplex, Auto-speed, media type is RJ45
input flow-control is off, output flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00

Berhasil deh... :)

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