Juniper Networks RELEASE 8.1.X E320 - Manual (Page 58)

Table 20: OCx/STMx POS IOA (continued)
ES2–S1 OC12–2 STM4 POS IOA ES2–S1 OC48 STM16 POS IOA Protocol or Application
Yes Yes VPLS (virtual core interfaces)
No No VRRP
58 ■ OCx/STMx POS IOAs
E320 8.1.x Module Guide