[j-nsp] 10BaseT vs 100BaseT

From: Nicolas FEVRIER (nicolas.fevrier@free.fr)
Date: Thu Aug 23 2001 - 17:36:34 EDT


Dear group,

The 4xFE PIC is supposed to be only 100Mbps, but I recently connected
my laptop with a 10BaseT NIC (for a software update) to the FE port
and it worked correctly.
For a 10MByte file transfert, I only had 2500 framing errors.
Does it mean the FE port is 10BaseT capable but Juniper don't
want to support it ?

Nicolas.

---

nicolas@M10> show interfaces fe-1/1/0 extensive Physical interface: fe-1/1/0, Enabled, Physical link is Up Interface index: 9, SNMP ifIndex: 23, Generation: 8 Description: to-lan-telindus-paris Link-level type: Ethernet, MTU: 1514, Speed: 100mbps, Loopback: Disabled, Source filtering: Disabled, Flow control: Enabled Device flags : Present Running Interface flags: SNMP-Traps Link flags : None Current address: 00:90:69:8e:90:9d, Hardware address: 00:90:69:8e:90:9d Statistics last cleared: Never Traffic statistics: Input bytes : 10432930 0 bps Output bytes : 788764 0 bps Input packets: 9978 0 pps Output packets: 5333 0 pps Input errors: Errors: 0, Drops: 0, Framing errors: 2500, Runts: 0, Policed discards: 0, L3 incompletes: 2832, L2 channel errors: 0, L2 mismatch timeouts: 1, FIFO errors: 0 Output errors: Carrier transitions: 3, Errors: 0, Drops: 0, Collisions: 0, Aged packets: 0, FIFO errors: 0, HS link CRC errors: 0 Active alarms : None Active defects : None MAC statistics: Receive Transmit Total octets 13424402 833368 Total packets 15317 5333 Unicast packets 12669 5333 Broadcast packets 145 0 Multicast packets 3 0 CRC/Align errors 2500 0 FIFO errors 0 0 MAC control frames 0 0 MAC pause frames 0 0 Oversized frames 0 Jabber frames 3 Fragment frames 1 VLAN tagged frames 0 Code violations 0 Filter statistics: Input packet count 15317 Input packet rejects 2500 Input DA rejects 2840 Input SA rejects 0 Output packet count 5333 Output packet pad count 0 Output packet error count 0 CAM destination filters: 1, CAM source filters: 0 Autonegotiation information: Negotiation status: Complete, Link partner status: Ok, Link partner: Half-duplex, Flow control: None PFE configuration: Destination slot: 1 CoS transmit queue bandwidth: Queue0: 95, Queue1: 0, Queue2: 0, Queue3: 5 CoS weighted round-robin: Queue0: 95, Queue1: 0, Queue2: 0, Queue3: 5

Logical interface fe-1/1/0.0 (Index 4) (SNMP ifIndex 38) (Generation 3) Flags: SNMP-Traps Encapsulation: ENET2 Protocol inet, MTU: 1500, Flags: None, Generation: 6 Route table: 0 Addresses, Flags: Is-Preferred Is-Primary Destination: 10.32.4/22, Local: 10.32.5.150, Broadcast: 10.32.7.255, Generation: 6



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