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Link Layer Maximums
Table 10 lists link layer maximums for the E120 router and the E320 router. The
following notes are referred to in Table 10:
1. On the ES2 10G LM or ES2 10 G Uplink LM, you can have configurations with
up to 100,000 static entries that support 100,000 DHCP relay proxy clients. You
can have an additional 28,000 static or dynamic entries for network resources,
such as RADIUS and DHCP servers. However, the total number of dynamic
entries in the ARP table is still restricted to a maximum of 32,768 per line
module.
2. On the E120 router, the SRP-120 and the SRP-320 support a maximum of
64,000 interfaces.
On the E320 router, the SRP-320 supports a maximum of 96,000 interfaces.
The SRP-100 supports a maximum of 64,000 interfaces.
3. The E120 router supports a maximum of 64,000 interface columns of all types
combined. The E320 router supports a maximum of 96,000 interface columns
of all types combined. You can use all dynamic interfaces, or all static
interfaces, or a combination of dynamic and static interfaces to achieve this
maximum.
The JUNOSe Software supports up to 10,000 PPP interfaces with EAP
authentication negotiation configured. Performance and scalability is
unchanged when EAP is not configured.
4. The E120 router supports a maximum of 64,000 Ethernet subinterfaces that
can be active at any one time. The E320 router supports a maximum of 96,000
Ethernet subinterfaces that can be active at any one time. Of this total, you can
configure all single-tagged VLAN subinterfaces, all double-tagged S-VLAN
subinterfaces, or a combination of both VLAN subinterfaces and S-VLAN
subinterfaces to achieve this maximum.
5. The E120 router and the E320 router support 16,384 VLAN subinterfaces per
slot on the ES2 4G LM and the ES2 10G LM. On the E120 router, a maximum of
64,000 VLAN subinterfaces is supported per chassis. On the E320 router, a
maximum of 96,000 VLAN subinterfaces is supported per chassis. You can use
all dynamic interfaces, or all static interfaces, or a combination of dynamic and
static interfaces to achieve this maximum.
6. For all LMs, no more than 16,384 S-VLANs are supported per port and no more
than 16,384 S-VLANs are supported per module.
7. For all LMs, no more than 4096 VLANs are supported per port and no more
than 16,384 VLANs are supported per module.
8. No more than 8192 VLAN major interfaces are supported per line module.
Appendix A: System Maximums
E120 and E320 System Maximums
91
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