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Enable support for Jumbo frames.

To apply changes, the device restart is required.

3

Put physical interface in switch mode.

esr(config-if-gi)# mode switchport

4

Set the operation mode of the E1 interface.

esr(config-if-gi)# switchport mode e1

5

Set the synchronization source (optional).

esr(config-if-gi)# switchport e1 clock source <SOURCE>

<SOURCE> – synchronization source:

• Internal (default) – synchronize with an internal source;
• line – synchronize with a linear signal.

6

Specify MTU (Maximum Transmission Unit) size for physical interfaces.

esr(config-if-gi)# mtu <MTU>

<MTU> – MTU value, for E1 and Multilink interfaces may take values in the range of [1510..9600].

7

Specify frame check hash algorithm (optional).

esr(config-if-gi)# switchport e1 crc <FCS>

<FCS> – frame check sequence:

• 16 (default) – FCS16;
• 32 – FCS32.

8

Set check for transmission errors (optional).

esr(config-if-gi)# switchport e1 framing <CRC>

<CRC> – cyclic redundancy check:

• crc-4 – use CRC-4 algorithm;
• no-crc4 (default) – do not use check.

9

Set transmitting bits inversion (optional).

esr(config-if-gi)# switchport e1 invert data

10

Set linear encoding type (optional).

esr(config-if-gi)# switchport e1 linecode <CODE>

<CODE> – linear encoding type;

• ami – alternate mark inversion;
• hdb3 (default) – high density bipolar of order 3.

11

Set amount of timeslots.

esr(config-if-gi)# switchport e1 timeslots <RANGE>

<RANGE> – amount of timeslots.

12

Use E1 as a single entity, without time slots (optional).

esr(config-if-gi)# switchport e1 unframed

16

Enable CHAP authentication for PPP (optional).

esr(config-e1)# ppp authentication chap

17

Specify router name that is sent to a remote party for CHAP authentication (optional).

esr(config-e1)# ppp chap hostname <NAME>

<NAME> – router name.

18

Set authentication password (optional).

esr(config-e1)# ppp chap password ascii-text <CLEAR-TEXT>

<CLEAR-TEXT> – unencrypted password, set by the string of [1..64] characters, may include [0-9a-fA-F] characters.

19

Enable authentication override (optional).

esr(config-e1)# ppp chap refuse

20

Set authentication username (optional).

esr(config-e1)# ppp chap username <NAME>

<NAME> – user name.

21

Allow any non-null IP address to be accepted as a local IP address from the neighbour (optional).

esr(config-e1)# ppp ipcp accept-address

22

Set IP address that is sent to a remote party for the further allocation (optional).

esr(config-e1)# ppp ipcp remote-address <ADDR>

<ADDR> – IP address of a remote gateway.

23

Set the amount of attempts to send Configure-Request packets before the remote peer is found to be unable to respond (optional).

esr(config-e1)# ppp max-configure <VALUE>

<VALUE> – number of retries.

24

Set the amount of attempts to send Configure-NAK packets before all options are confirmed (optional).

esr(config-e1)# ppp max-failure <VALUE>

<VALUE> – number of retries.

25

Set the amount of attempts to send Terminate-Request packets before the session is aborted (optional).

esr(config-e1)# ppp max-terminate <VALUE>

<VALUE> – number of retries.

26

Set MRU (Maximum Receive Unit) size for the interface (optional).

esr(config-e1)# ppp mru <MRU>

<MRU> – MRU value.

27

Specify the time interval in seconds after which the router sends a keepalive message (optional).

esr(config-e1)# ppp timeout keepalive <TIME>

<TIME> – time in seconds.

28

Specify the interval after which the router sends a keepalive message (optional).

esr(config-e1)# ppp timeout retry <TIME> 

<TIME> – time in seconds.

29

Add to MLPPP group (optional).

esr(config-e1)# ppp multilink-group <GROUP-ID>

<GROUP-ID> – group number. 

30

Enable MLPPP mode (optional).

esr(config-e1)# ppp multilink