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New Member

Cisco 15454 MSTP - Acceptable error loss

Dear all,

What does Cisco say is an acceptable Packet loss/CRC check for the following set-up?

I have a link between 2 Cisco 15454 MSTP cards which in turn plug into a tenGig XENPAK which are both housed in 6509s.

I've noticed the following errors:

79 input errors, 39 CRC, 39 frame, 0 overrun, 0 ignored

Mod Ports Card Type Model Serial No.

--- ----- -------------------------------------- ------------------ -----------

2 4 CEF720 4 port 10-Gigabit Ethernet WS-X6704-10GE SAL093487FN

SwitchXXX#sho int ten 2/2

TenGigabitEthernet2/2 is up, line protocol is up (connected)

Hardware is C6k 10000Mb 802.3, address is 0014.f191.b800 (bia 0014.f191.b800)

Description: ** DWDM to core - ten 1/1 **

Internet address is 10.141.196.25/30

MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usec,

reliability 255/255, txload 1/255, rxload 1/255

Encapsulation ARPA, loopback not set

Keepalive set (10 sec)

Full-duplex, 10Gb/s

input flow-control is off, output flow-control is on

ARP type: ARPA, ARP Timeout 04:00:00

Last input 00:00:22, output 00:00:01, output hang never

Last clearing of "show interface" counters 5d23h

Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0

Queueing strategy: fifo

Output queue: 0/40 (size/max)

5 minute input rate 0 bits/sec, 0 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

L2 Switched: ucast: 315 pkt, 45426 bytes - mcast: 36667 pkt, 3599775 bytes

L3 in Switched: ucast: 3470134 pkt, 1546021811 bytes - mcast: 59801 pkt, 24634

255 bytes mcast

L3 out Switched: ucast: 3603213 pkt, 2424726923 bytes mcast: 0 pkt, 0 bytes

3654653 packets input, 1585903250 bytes, 0 no buffer

Received 183968 broadcasts (85896 IP multicast)

0 runts, 0 giants, 0 throttles

79 input errors, 39 CRC, 39 frame, 0 overrun, 0 ignored

0 watchdog, 0 multicast, 0 pause input

0 input packets with dribble condition detected

4071365 packets output, 2468656212 bytes, 0 underruns

0 output errors, 0 collisions, 0 interface resets

0 babbles, 0 late collision, 0 deferred

0 lost carrier, 0 no carrier, 0 PAUSE output

0 output buffer failures, 0 output buffers swapped out

3 REPLIES
New Member

Re: Cisco 15454 MSTP - Acceptable error loss

Are these DWDM XENPAKs direct into MSTP DWDM layer, or LR XENPAK into transponders?

New Member

Re: Cisco 15454 MSTP - Acceptable error loss

I will find out.

New Member

Re: Cisco 15454 MSTP - Acceptable error loss

Hi There,

We have LR XENPAK into transponders

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