7705 SAR Interfaces
102
Interface Configuration Guide
3HE 11011 AAAC TQZZA Edition: 01
Notes:
1. The maximum MTU value is supported only on cards that have buffer chaining enabled; therefore,
it is not supported on the 8-port Ethernet Adapter card, version 1.
2. On the Packet Microwave Adapter card, the MWA ports support 4 bytes less than the Ethernet
ports. Thus, MWA ports support a maximum MTU of 9720 bytes (null) or 9724 bytes (dot1q). MWA
ports do not support QinQ.
3. QinQ is supported only on access ports.
4. For X.21 serial ports at super-rate speeds.
For more information, refer to the “MTU Settings” section in the 7705 SAR Services
Guide.
3.2.13 LAG
This section contains information on the following topics:
• LAG Overview
TDM (ATM PW) Access atm 1524 1524
TDM (FR PW) Access frame-relay 1514 2090
TDM (HDLC PW) Access hdlc 1514 2090
TDM (IW PW) Access cisco-hdlc 1514 2090
TDM (PPP/MLPPP) Access ipcp 1502 2090
Network ppp-auto 1572 2090
Serial V.35 or X.21
4
(FR PW)
Access frame-relay 1514 2090
Serial V.35 or X.21
4
(HDLC PW)
Access hdlc 1514 2090
Serial V.35 or X.21
4
(IW PW)
Access frame-relay 1514 2090
ipcp 1502 2090
cisco-hdlc 1514 2090
SONET/SDH Access atm 1524 1524
SONET/SDH Network ppp-auto 1572 2090
Table 12 Port MTU Default and Maximum Values (Continued)
Port Type Mode Encap Type Default (bytes) Max MTU (bytes)
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