ZyXEL Communications GS2210-24, Руководство пользователя

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Chapter 26 IP Source Guard
GS2210 Series User’s Guide
240
26.10 ARP Inspection Configure
Use t his scr een t o enable ARP inspect ion on t he Swit ch. You can also configure t he lengt h of t im e
t he Swit ch st or es r ecor ds of discar ded ARP packet s and global set t ings for t he ARP inspect ion log.
To open t his scr een, click Adv a n ce d Applica t ion > I P Sou r ce Gu a r d > I Pv 4 Sou r ce Gu a r d
Se t u p > ARP I n spe ct ion > Con figu r e .
Figure 166 Advanced Applicat ion > I P Source Guard > I Pv4 Source Guard Set up > ARP I nspect ion
> Configur e
The follow ing t able descr ibes t he labels in t his scr een.
Table 108 Advanced Applicat ion > I P Sour ce Guar d > I Pv4 Sour ce Guar d Set up > ARP I nspect ion >
Configur e
LABEL DESCRIPTION
Act ive Select t his t o enable ARP inspect ion on t he Sw it ch. You st ill have t o enable ARP
inspect ion on specific VLAN and specify t r ust ed por t s.
Filt er Aging Tim e
Filt er aging t im e This set t ing has no effect on ex ist ing MAC addr ess filt er s.
Ent er how long ( 1~ 2147483647 seconds) t he MAC addr ess filt er r em ains in t he
Sw it ch aft er t he Sw it ch ident ifies an unaut hor ized ARP packet . The Sw it ch
aut om at ically delet es t he MAC addr ess filt er aft er war ds. Ent er 0 if you want t he MAC
addr ess filt er t o be per m anent .
Log Pr ofile
Log buffer size Ent er t he m ax im um num ber ( 1~ 1024) of log m essages t hat w er e generat ed by ARP
packet s and have not been sent t o t he sy slog ser ver yet . Make sur e t his num ber is
appr opr iat e for t he specified Sy slog r a t e and Log in t e r v a l.
I f t he num ber of log m essages in t he Sw it ch exceeds t his num ber, t he Sw it ch st ops
r ecor ding log m essages and sim ply st ar t s count ing t he num ber of ent r ies t hat w er e
dr opped due t o unavailable buffer. Click Cle a r in g log st a t u s t a b le in t he ARP
I n spe ct ion Log St a t u s scr een t o clear t he log and r eset t his count er. See
Sect ion
26.9 on page 238 .