Configuring Source Routing
Page 17-42
4. Press <return>. The second deny filter prompt is displayed:
Output SAP Deny Filter 2 (0000):
Enter the SAP value that the first deny filter should screen. Any packet matching this filter
will be rejected. Excepting the default of 0000 is the same as not having a filter.
5. Press
<return>. The first permit filter prompt is displayed:
Output SAP Permit Filter 1 (0000):
Enter the SAP value that the first permit filter should screen. Any packet not matching this
filter will be rejected. Excepting the default of 0000 is the same as not having a filter.
6. Press
<return>. The second permit filter prompt is displayed:
Output SAP Permit Filter 2 (0000):
Enter the SAP value that the first permit filter should screen. Any packet not matching this
filter will be rejected. Excepting the default of 0000 is the same as not having a filter.
7. Press
<return>. A final message asking to save the new configuration is displayed:
Save the new configuration? (y/n) :
Enter a y to save the configuration, or an n to cancel the operation.
Viewing SAP Filtering
To see how many SAP filters are configured for a specific ring, enter the srs command at the
system prompt. A screen similar to the following appears:
Source Routing Parameters for Group 1 (Default GROUP (#1))
Slot Type/ Ring Bridge Largest HopCnt Port Block SAP
Intf Inst/Srvc Number Number frame In Out Type ARE Filter
----- ------------------ ------------- ------------ ---------- --- ----- ------- --------- ---------
1. 2/ 1 Brg/ 1/ na 1 (0x001) 10 (0xA) 590 6 6 SRT n 1
2. 3/ 1 Brg/ 1/ na (V) 2 (0x002) 10 (0xA) 4472 7 7 SRT n 2
3. 3/ 2 Brg/ 1/ na 4 (0x004) 10 (0xA) 4472 7 7 SRT n
4. 3/ 3 Brg/ 1/ na 5 (0x005) 10 (0xA) 4472 6 6 SRT n
5. 3/ 4 Brg/ 1/ na 3 (0x003) 10 (0xA) 4472 7 7 SRT n
6. 3/ 5 Brg/ 1/ na (V) 2 (0x002) 10 (0xA) 4472 7 7 SRT n
7. 3/ 6 Brg/ 1/ na (V) 3 (0x003) 10 (0xA) 4472 7 7 SRT n
Enter index of the entry to configure (e.g. 1) <RETURN> to exit :
The last column (SAP Filter) lists how many SAP filters are in place for the ring. See Configur-
ing SAP Filtering on page 17-41 for information on configuring the SAP filter.
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