Configuring SNA 9-21
LLC2 Host Parameters
1Except ffffffffffff. Must be in 802.5 (Token Ring) format, which may require "bit
swapping" when entering the address. (See the explanation of Host MAC Address.)
2A host addre ss can be configured for one Originated and one Termin ated session, but no
more than one each.
3Must be less t ha n the va lue for T1 to ensure that the remote link station will receive the
delaye d ackn owled gment befo re T1 expires.
4An asterisk wildcard can be used as a final digit. (The ? wildcard is not valid.) If fewer
than 15 digits are entered, an asterisk must be the final character.
51st digi t must b e 4, 5, 6 , o r 7, and an asterisk wildcard can b e used as a final digit. If fewer
than 8 actual digits (not including an asterisk) are specified, zeros will be added to total
8 actua l dig its. This va lue must n ot co nflict with the Locally Administered MA C
Addres s, described on page 6-5.
6Displa y e d onl y if Session Type is Terminated.
7Althou gh sel ecting thi s item togg les bet ween SNA an d LLC2 , Type
must be LLC2.
8Each Local Subscriber ID must begin with a ll of the actual Routing Subscriber ID. A
Local or Remote Sub scriber ID can contain an asterisk as the final digit; if so, the
asterisk will not be a "universal" wildcard, but instead will include the range 00 0–511 ,
or 00–99 if 13 digits precede the wildcard, or 0–9 if 14 digits precede the wildcard.
9Maxda ta wi ll b e over ridden by Maxdata in the SNA PU parameters, and Maxi n will be
overrid den by Tw in the LLC2 parameters.

Table 9- 4 LLC2 Ho st Para met er s

Parameter Valid Values Default Value
Host MAC Address valid MAC address 1400000 00000 1
Session Type Originated/Terminated 2Terminated
T1 (100 msec) 1–250 10
T2 (msec) 10 0–5000 3 100
Ti (sec) 1–50 30
N3 1–127 3
Tw 1–127 7
N2 0–255 8
Priority 0– 9 0
Bandwidth Allocation Group 1–16 1
Routing Subscriber ID up to 1 5 digi ts 4 none
Source MAC Add ress M ask up to 8 hex digi ts 54000 0000
On-Line Temporary Changes Y/N Y
Connec tions Parame ters
Sq 1–16 1
HSAP 04–fe hex, in mu ltip les of 4 04
Type 6LLC2 7LLC2
Local Subscriber ID up to 15 digi ts 8none
Remote Subscrib er ID up to 1 5 digi ts 8no ne
IDBLK 000–ff f 000
IDNUM 00000– fffff 00 000
Maxdata 26 5, 52 1, 103 3, 1289 , 1545 ,
2057 965
MaxIn 1– 127 91