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Notes and Cautions 37
These messages do not indicate a problem and can be ignored.
or SRT bridging, connectivity problems and frame copy errors can occur. For this reason, 3Com recommends configuring token ring ports for source route only when possible.
In Table 12, DLSw refers to data link switching, and LNM refers to LAN Net Manager. The settings are shown in abbreviated form.
Table 12 IBM-Related Feature Settings for Token Ring Ports
| Port | Source Route | Transparen |
| Route |
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| Configurat | Bridging | t Bridging | Bridging | Discovery | LLC2 CONTrol | Frame Copy |
Services | ion | Errors | |||||
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Bridging only | SR | SRB | NTB | B | NoLLC2 | Disable | None |
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Bridging only | SRT | SRB | TB | B | NoLLC2 | Disable | Low # Possible |
Bridging only | T | NSRB | TB | B | NoLLC2 | Disable | Low # Possible |
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LNM | SR | SRB | NTB | B | LLC2 | Enable | None |
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DLSw | SR | SRB | NTB | NB B | LLC2 | Enable | None |
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DLSw | SRT | SRB | TB | NB* B* | LLC2 | Enable | High # Possible |
DLSw | T | NSRB | TB | NB* B* | NoLLC2 | Enable | High # Possible |
APPN | SR | SRB | NTB | NB B | LLC2 | Disable | None |
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APPN | SRT | SRB | TB | NB B | LLC2 | Disable | None |
APPN | T | NSRB | TB | NB B | LLC2 | Disable | None |
Default Setting | SRT | SRB | TB | NB | NoLLC2 | Disable | None |
*3Com recommends that you disable global bridging for this configuration. However, with global bridging disabled, the
The row in Table 12 labeled DLSw with port configuration SR represents DLSw in a
SETDefault
SETDefault !<port>
SETDefault !<port>
SETDefault !<port>
SETDefault !<port>
SETDefault !<port>
SETDefault !<port>
In this configuration, global bridging