Hi Faizal, May be the other end negoatiates a PPP MRU of 1492. Do you know the configurations on the other side?
Also, are you possibly using apply-groups that might get inherited in the interface configurations. /riku -- Riku Valpas [email protected] > This is output from show interfaces : > > RouterA> show interfaces ds-0/1/6:4 > Physical interface: ds-0/1/6:4, Enabled, Physical link is Up > Interface index: 261, SNMP ifIndex: 265 > Description: *** Customer A *** > Link-level type: PPP, MTU: 1504, Clocking: Internal, Speed: 256kbps, > Loopback: None, FCS: 16, > Parent: ce1-0/1/6 Interface index 151 > Device flags : Present Running > Interface flags: Point-To-Point SNMP-Traps Internal: 0x4000 > Link flags : Keepalives > Keepalive settings: Interval 10 seconds, Up-count 1, Down-count 3 > Keepalive: Input: 114985 (00:01:47 ago), Output: 368099 (00:00:07 ago) > LCP state: Opened > NCP state: inet: Opened, inet6: Not-configured, iso: Not-configured, > mpls: > Not-configured > CHAP state: Closed > PAP state: Closed > CoS queues : 4 supported, 4 maximum usable queues > Last flapped : Never > Input rate : 4208 bps (7 pps) > Output rate : 7392 bps (22 pps) > DS0 BERT configuration: > BERT time period: 10 seconds, Elapsed: 0 seconds > Induced Error rate: 0, Algorithm: 2^15 - 1, O.151, Pseudorandom (9) > > Logical interface ds-0/1/6:4.0 (Index 242) (SNMP ifIndex 290) > Flags: Point-To-Point SNMP-Traps 0x4000 Encapsulation: PPP > Protocol inet, MTU: 1500 > Flags: Is-Primary > Addresses, Flags: Is-Default Is-Preferred Is-Primary > Destination: 10.172.84.64/30, Local: 10.172.84.65, Broadcast: > 10.172.84.67 > > {master} > RouterA> show interfaces ds-0/1/6:7 > Physical interface: ds-0/1/6:7, Enabled, Physical link is Up > Interface index: 263, SNMP ifIndex: 347 > Description: *** Customer B *** > Link-level type: PPP, MTU: 1504, Clocking: Internal, Speed: 512kbps, > Loopback: None, FCS: 16, > Parent: ce1-0/1/6 Interface index 151 > Device flags : Present Running > Interface flags: Point-To-Point SNMP-Traps Internal: 0x4000 > Link flags : Keepalives > Keepalive settings: Interval 10 seconds, Up-count 1, Down-count 3 > Keepalive: Input: 357599 (00:00:00 ago), Output: 368254 (00:00:08 ago) > LCP state: Opened > NCP state: inet: Opened, inet6: Not-configured, iso: Not-configured, > mpls: > Not-configured > CHAP state: Closed > PAP state: Closed > CoS queues : 4 supported, 4 maximum usable queues > Last flapped : Never > Input rate : 104 bps (0 pps) > Output rate : 104 bps (0 pps) > DS0 BERT configuration: > BERT time period: 10 seconds, Elapsed: 0 seconds > Induced Error rate: 0, Algorithm: 2^15 - 1, O.151, Pseudorandom (9) > > Logical interface ds-0/1/6:7.0 (Index 244) (SNMP ifIndex 348) > Flags: Point-To-Point SNMP-Traps 0x4000 Encapsulation: PPP > Protocol inet, MTU: 1492 > Flags: Is-Primary > Addresses, Flags: Is-Default Is-Preferred Is-Primary > Destination: 10.172.84.252/30, Local: 10.172.84.253, Broadcast: > 10.172.84.255 > > > Config for both interface are same, without define any user mtu. > > Thanks > Faizal > > On Tue, Apr 14, 2009 at 4:30 PM, Nilesh Khambal > <[email protected]>wrote: > >> Can you please show us an example.? It will help to understand the >> problem >> better. >> >> Thanks, >> Nilesh >> >> >> >> >> On Apr 14, 2009, at 2:16 AM, "Faizal Rachman" >> <[email protected]<mailto: >> [email protected]>> wrote: >> >> >> Sorry if you got this message twice, iam worried there something error >> with >> last mail. >> >> On Mon, Apr 13, 2009 at 11:09 AM, Faizal Rachman <[email protected] >> <mailto:[email protected]>>wrote: >> >> > Dear All, >> > What is cause different MTU size on logical interface while there is >> > on same physical interface. >> > It happen on channelized E1 IQ without manually config interface MTU. >> > >> > Thanks >> > Faizal >> > >> _______________________________________________ >> juniper-nsp mailing list <mailto:[email protected]> >> [email protected]<mailto:[email protected]> >> <https://puck.nether.net/mailman/listinfo/juniper-nsp> >> https://puck.nether.net/mailman/listinfo/juniper-nsp >> > _______________________________________________ > juniper-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/juniper-nsp > _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
