R2511-HP MSR Router Series Layer 2 - WAN Command Reference(V5)

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Usage guidelines
Before using this command, make sure that the VT has been created.
Examples
The following example demonstrates a complete process of PPPoA configuration.
# Create a VT interface numbered 10, and assign it an IP address.
<Sysname> system-view
[Sysname] interface virtual-template 10
[Sysname-Virtual-Template10] ip address 202.38.160.1 255.255.255.0
[Sysname-Virtual-Template10] quit
# Create PVC 1/101 on interface ATM 1/0.
[Sysname] interface atm 1/0
[Sysname-Atm1/0] pvc 1/101
# Create a PPPoA map using the VT interface created.
[Sysname-atm-pvc-Atm1/0-1/101] map ppp virtual-template 10
mtu
Use mtu to set the MTU on an ATM interface.
Use undo mtu to restore the default.
Syntax
mtu mtu-number
undo mtu
Default
The MTU is 1500 bytes.
Views
ATM interface view, Layer 3 VE interface view, Layer 3 VE subinterface view
Default command level
2: System level
Parameters
mtu-number: Specifies the MTU size on an ATM interface in bytes. For its value range, see Table 44.
Table 44 Value range for MTU
Interface type Value range
ADSL 2+ 128–1650
G.SHDSL
128–2000
ATM OC3
ATM E1
ATM T1
ATM E3
ATM T3