Table 6: Mtu Configuration Example Values - Alcatel-Lucent 7210 SAS E OS Configuration Manual

802.3ah OAM
Instead, if ALA-A uses a dot1p-preserve SAP on port 1/1/1, then port 1/1/1 MTU must be set to
1518 to be able to accept a 1514-byte service frame (see
the access uplink port's MTU must be set to at least 1522 as well. Finally, the MTU of ALA-B's
SAP (access port 1/1/2) must be at least 1518, as it uses Dot1q encapsulation.

Table 6: MTU Configuration Example Values

Port (slot/MDA/port)
Mode type
MTU
Page 44
ALA-A
Access (SAP) Access
Uplink (SAP)
1/1/1 1/1/24
access (dot1q- access-uplink
preserve) (QinQ)
1518 1522
7210 SAS E Interface Configuration Guide
Table 6 for MTU default values). Each of
ALA-B
Access
Uplink (SAP)
1/1/18
access-uplink
(QinQ)
1522
Access (SAP)
1/1/2
access (dot1q-
preserve)
1518