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
> >
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